RTK 725 Series Manual
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RTK 725 Series Manual

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Warning
The 725 System described herein operates on a logic voltage of 24VDC and as standard 24VDC is
used for the field contact supply voltage. External power supplies using higher voltage AC/DC
primary sources and optional high voltage field contact voltages may be present if this is the case
please ensure the necessary precautions are taken.
REV
DATED
17
12-03-07
18
20-04-07
19
19-09-07
20
04-10-07
21
30-11-07
22
25-07-08
23
27-03-09
24
30-03-09
DESCRIPTION
Spares clarified TOC added
Remote TAR Horn Vol. Adj. Added
Clear lens part no corrected
SPR Card Removal Added
Remote PB Return Clarified
Serial Interface Section revised
EC Declaration Added
AD Option switch details added
RTK Series 725 Annunciator
AUTHOR
APPROVED
P.Cartmell
T.McLeman
P.Cartmell
T.McLeman
P.Cartmell
T.McLeman
P. Cartmell
D.Fishkin
P. Cartmell
D.Fishkin
P. Cartmell
D.Fishkin
P.Cartmell
D.Fishkin
P.Cartmell
D.Fishkin
1

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Summary of Contents for RTK 725 Series

  • Page 1 RTK Series 725 Annunciator Warning The 725 System described herein operates on a logic voltage of 24VDC and as standard 24VDC is used for the field contact supply voltage. External power supplies using higher voltage AC/DC primary sources and optional high voltage field contact voltages may be present if this is the case please ensure the necessary precautions are taken.
  • Page 2 © RTK Instruments LTD 2005 The copyright in this work is vested in RTK Instruments Ltd and this document is issued for the purpose only for which it is supplied. No licence is implied for the use of any patented feature. It must...

  • Page 3: Table Of Contents

    RTK Series 725 Annunciator CONTENTS 1. Introduction ....................... 7 2. Front View Examples ..................8 3. System Description & Features ............... 9 3.1 General ............................. 9 3.2 Window Colours ........................9 3.3 Laser Printed Legends ......................9 3.4 Adding Or Changing Film Legends ..................10 3.5 Lamp Or LED Illumination ......................
  • Page 4 RTK Series 725 Annunciator 7.3 Panel Mounting Clamps ......................27 8. Alarm Sequences .................... 28 8.1 Summary ..........................28 8.2 Audible Alarm Grouping ......................28 8.3 Ringback Audible ........................28 9. Additional Features ..................29 9.1 Automatic Reset ........................29 9.2 Non-Latch Sequence (No Lock-In)..................
  • Page 5 RTK Series 725 Annunciator 13.2 Optional Version With Repeat Relay Facility ............... 47 14. Small Window Alarm Module Wiring ............48 14.1 Standard Version Without Repeat Relay Facility ..............48 14.2 Optional Version With Repeat Relay Facility ............... 48 15. Dual Repeat Relay Option ................49 15.1 Optional Version With Dual Repeat Relay Facility (Option RL2) .........
  • Page 6 31.5 Fuse Replacement ....................... 90 31.6 Position Of Fuses On The Supply Card ................90 32. Spare Parts Description ................91 33. Other RTK Products ..................93 34. EC DECLARATION OF CONFORMITY ............94 35. Function Setting per Alarm Sequence ............95...

  • Page 7: Introduction

    RTK Series 725 Annunciator 1. Introduction The RTK 725 Series alarm annunciator is used to provide visual and audible warning that a process has gone beyond set limits or to provide status only indication. The annunciator is manufactured from universal cells, each 60 x 60mm, which can be assembled in an array to provide the number of rows and columns required to suit individual panel designs.

  • Page 8: Front View Examples

    RTK Series 725 Annunciator 2. Front View Examples SMALL LAMP NO 1 FULLY PROTECTION WINDOW AIR COOLER FIELD TRIP COLOURS VERSION FAILURE PROGR AVAILABLE 30 X 30 MM VERSIONS OPTIONAL LASER NO 2 SERIAL WINDOW PRINTED PRESSURE AIR COOLER INTERFACE...

  • Page 9: System Description & Features

    Laser printed film legends are easily generated, from within Microsoft Excel, in a font style and size to suit individual applications. A software template is available, free of charge from RTK, which allows the user to produce film legends locally if required. Completed film legends are located between the...

  • Page 10: Adding Or Changing Film Legends

    RTK Series 725 Annunciator 3.4 Adding Or Changing Film Legends Each lens assembly has a small slot in the upper ridge of the surround bezel, which allows a flat blade terminal screwdriver to be used to gently lever the assembly forward. Once the assembly has been removed the diffuser, coloured filter and film legend can be accessed using a flat blade screwdriver to gently lever the lens clear of the associated parts as indicated in the diagram below.

  • Page 11: Window Numbering System

    RTK Series 725 Annunciator 3.6 Window Numbering System RTK have adopted the following window numbering system to aid with the location of the film legend and the associated alarm cards. This method is used to ensure that the legend matches the functions selected for the designated alarm.

  • Page 12: Pushbutton / Programming Module Options

    RTK Series 725 Annunciator 3.9 Pushbutton / Programming Module Options The pushbutton/programming module is normally integrally mounted within the annunciator however if required it can be supplied as a stand alone item suitable for panel mounting, DIN-rail mounting or wall mounting.

  • Page 13: Sleep Mode

    RTK Series 725 Annunciator 3.12 Sleep Mode Sleep mode is typically used in sub station applications where the visual and audible outputs are disabled during unmanned periods to reduce the drain on the associated station batteries. Whilst in sleep mode the logic of the annunciator will continue to react in the normal way including the operation of common alarm relays, watchdog relay and optional signal duplicating relays, only the drive signals to the lamp and audible drives are disabled.

  • Page 14: Automatic Mute Or Automatic Acknowledge

    RTK Series 725 Annunciator 3.13 Automatic Mute Or Automatic Acknowledge Each annunciator is equipped with an integral timer that can be enabled to allow the user to automatically mute or acknowledge alarms after a pre-set time delay. To set the automatic mute or...

  • Page 15: Integral Audible Alarm

    RTK Series 725 Annunciator 3.14 Integral Audible Alarm Each annunciator is equipped with an internal 3.5kHz 95dB(A) audible located behind the integral pushbutton module. The audible is supplied with an adjustable volume control using a single turn potentiometer. The potentiometer can be accessed by hinging down the integral pushbutton module using a small flat blade screwdriver in the slot of the surround bezel.

  • Page 16: Horn Adjustment On Remote Pushbutton / Programming Modules

    RTK Series 725 Annunciator 3.14a Horn adjustment on Remote Pushbutton / Programming Modules On P725 Systems supplied with Remote Pushbutton / Programme Modules the horn adjustment potentiometer is located in an alternative position to that shown above. The potentiometer can only be accessed from the rear of the Pushbutton cell using the following procedure.

  • Page 17: Remote Pushbutton Inputs

    RTK Series 725 Annunciator 3.15 Remote Pushbutton Inputs Remote pushbuttons can be connected to the P725 SPR module either in place of or in addition to the integral pushbuttons or to allow multiple annunciators to share common pushbuttons for example a common mute pushbutton mounted in the operator desk console.

  • Page 18: Inputs

    RTK Series 725 Annunciator 4. Inputs 4.1 Optically Coupled Inputs All alarm inputs are provided with fully isolated inputs using optical couplers and a transient filter is built into the input circuitry so that low voltage interference will be ignored.

  • Page 19: Input Voltage Options

    RTK Series 725 Annunciator 4.4 Input Voltage Options Annunciators can be supplied suitable for connection to direct powered inputs as an option with the signal supply voltage being supplied from outside the annunciator by others. In this application the logic supply (OV and +V) and signal supply (OVC and +VC) inputs located on the SPR module are independently wired and fully isolated from each other.

  • Page 20: Outputs

    RTK Series 725 Annunciator 5. Outputs 5.1 Common Outputs All series 725 annunciators are equipped with five common output relays located on the upper card of the SPR module. (Part no CB4642POP1). As standard all five relays are factory set to be normally energised and will de-energise when activated.

  • Page 21: Critical Horn Relay - Hna

    RTK Series 725 Annunciator SPR Card Showing Relay And Jumper Locations CONTACT STATE FUNCTION REF. RELAY LINK OPEN CLOSED Critical horn relay Non critical horn relay Critical group relay Non-critical group relay Multifunctional relay MULT. FUNCT. GROUP HORN RELAY RELAY...

  • Page 22: Critical Group Relay - Gpa

    RTK Series 725 Annunciator 5.4 Critical Group Relay - GPA When an alarm occurs the relay will change state and remain in the alarm condition until all alarms in the group have returned to normal and the logic has been reset. Each channel can be set to operate the critical group relay as required.

  • Page 23: Technical Specifications

    RTK Series 725 Annunciator 6. Technical Specifications FEATURES DETAILS Each channel can be set to operate from either a normally open or normally Input type closed contact as required Standard version 24VAC/DC 9V to 33V Signal voltage 48VAC/DC 19 to 70V...

  • Page 24: General

    The table below indicates the maximum numbers of alarm channels that can be connected to a standard power supply from the RTK range of products. Each PSU provides a 24VDC output for use as the logic voltage to the annunciator.

  • Page 25: P725 Annunciator Fitted With The Repeat Relays Per Channel Option

    RTK Series 725 Annunciator 6.6 P725 Annunciator Fitted With The Repeat Relays Per Channel Option PSU RATING LED VERSION LAMP VERSION @ 24VDC WINDOW TYPE WINDOW TYPE CURRENT (A) SMALL MEDIUM LARGE SMALL MEDIUM LARGE 12.5 Larger PSU or multiple PSU can be used if required...

  • Page 26: Mechanical Details

    RTK Series 725 Annunciator 7. Mechanical Details 7.1 P725 Overall And Cut Out Dimensions CABINET DIMENSIONS IN MM HIGH WIDE Cells Overall Cut-Out Cells Overall Cut-Out Please note:- The cut out tolerance should be with ±2mm. Annunciator depth is 145mm...

  • Page 27: Panel Mounting Clamps

    RTK Series 725 Annunciator 7.3 Panel Mounting Clamps The annunciator is shipped with the panel mounting clamps fitted to the sides of the unit these must be removed to allow the unit to be placed in the panel cut out and secured from behind. Once the unit has been placed in the panel cut out the panel clamps and screws are used to secure the unit as shown below.

  • Page 28: Alarm Sequences

    RTK Series 725 Annunciator 8. Alarm Sequences 8.1 Summary Each channel within the annunciator can be set to operate in a pre-defined manner in accordance with internationally recognised standards ISA-S18.1 1979 (R2004) alarm sequences. Typically when an alarm occurs the associated window will flash and the operator uses specific pushbuttons to control the audible alarm and associated lamps or LED’s:-...

  • Page 29: Additional Features

    Four different first-up sequences are available F0, F1, F2 and F3 as detailed below and in the following sequence tables. F0 The standard mode adopted by RTK Instruments, which indicates the first-up alarm by flashing at twice the rate of subsequent alarms.

  • Page 30: Sequence Configuration And Tables

    RTK Series 725 Annunciator 10. Sequence Configuration and Tables Each pair of alarm channels can be configured to suit the operating sequence required, as listed in the ISA publication "Annunciator sequences and specifications" S18.1 1979.(R2004). Systems can be configured with different features on each individual channel and there is no need to switch the power off when making these changes.

  • Page 31: Isa-Sequence A

    RTK Series 725 Annunciator 10.2 ISA-Sequence A Automatic Reset SEQUENCE DIAGRAM PROCESS NORMAL ABNORMAL SEQUENCE NORMAL ACKNOWLEDGE WHILE NORMAL VISUAL RETURN TO NORMAL AUDIBLE SILENT ABNORMAL PROCESS ABNORMAL PROCESS OR NORMAL ACKNOWLEDGE SEQUENCE ACKNOWLEDGED SEQUENCE ALARM WHILE ABNORMAL VISUAL VISUAL...

  • Page 32: Isa-A-4 Sequence

    RTK Series 725 Annunciator 10.3 ISA-A-4 Sequence - Non Lock-In Function SEQUENCE DIAGRAM PROCESS NORMAL ABNORMAL SEQUENCE NORMAL RETURN TO NORMAL VISUAL RETURN TO NORMAL AUDIBLE SILENT ABNORMAL PROCESS ABNORMAL PROCESS OR NORMAL ACKNOWLEDGE SEQUENCE ACKNOWLEDGED SEQUENCE ALARM WHILE ABNORMAL...

  • Page 33: Isa-R Sequence

    RTK Series 725 Annunciator 10.4 ISA-R Sequence - Ringback S E Q U E N C E D IA G R A M P R O C E S S N O R M A L A B N O R M A L...
  • Page 34 RTK Series 725 Annunciator SEQUENCE TABLE ALARM PROCESS PUSHBUTTON SEQUENCE VISUAL LINE AUDIBLE REMARKS CONDITION OPERATION STATE DISPLAY DEVICE NORMAL NORMAL SILENT FAST ABNORMAL ALARM AUDIBLE LOCK-IN FLASHING MAINTAINED ABNORMAL ACKNOWLEDGE ACKNOWLEDGED SILENT ALARM MOMENTARY NORMAL ACKNOWLEDGE TO LINE 4...

  • Page 35: Isa-F1A Sequence

    RTK Series 725 Annunciator 10.5 ISA-F1A Sequence Automatic Reset First-Up SEQUENCE DIAGRAM PROCESS NORMAL RETURN FIRST TO TO NORMAL ABNORMAL SEQUENCE NORMAL ACKNOWLEDGE SUBSEQUENT W HILE NORMAL TO ABNORMAL VISUAL (FIRST OUT RESET) AUDIBLE SILENT ABNORMAL PROCESS ABNORMAL PRO CESS...

  • Page 36: Isa-F2M-1 Sequence

    RTK Series 725 Annunciator 10.6 ISA-F2M-1 Sequence Manual Reset First-Up SEQUENCE DIAGRAM PROCESS NORMAL FIRST TO RESET WHILE SEQUENCE NORMAL ABNORMAL NORMAL VISUAL AUDIBLE SILENT SUBSEQUENT TO ABNORMAL ABNORMAL PROCESS OR NORMAL SILENCE SUBSEQUENT SEQUENCE ALARM ACKNOWLEDGE VISUAL AUDIBLE ABNORMAL...
  • Page 37 RTK Series 725 Annunciator SEQUENCE TABLE ALARM PROCESS PUSHBUTTON SEQUENCE VISUAL LINE AUDIBLE REMARKS CONDITION OPERATION STATE DISPLAY DEVICE NORMAL NORMAL SILENT FIRST ABNORMAL FIRST ALARM FLASHING AUDIBLE LOCK-IN SUB. ABNORMAL SUB. ALARM AUDIBLE LOCK-IN ABNORMAL FIRST OUT FIRST OR NORMAL...

  • Page 38: Isa-F3A Sequence

    RTK Series 725 Annunciator 10.7 ISA-F3A Sequence - Automatic Reset First-Up SEQUENCE DIAGRAM PROCESS NORMAL FIRST TO SEQUENCE NORMAL ABNORMAL RETURN TO NORMAL VISUAL AUDIBLE SILENT ACKNOWLEDGE SUBSEQUENT TO WHILE NORMAL ABNORMAL ABNORMAL PROCESS OR NORMAL FIRST OUT RESET SUBSEQUENT...
  • Page 39 RTK Series 725 Annunciator SEQUENCE TABLE ALARM PROCESS PUSHBUTTON SEQUENCE VISUAL LINE AUDIBLE REMARKS CONDITION OPERATION STATE DISPLAY DEVICE NORMAL NORMAL SILENT INTERMITTENT FIRST ABNORMAL FIRST ALARM AUDIBLE LOCK-IN FLASHING FAST SUB. ABNORMAL SUB. ALARM AUDIBLE LOCK-IN FLASHING FIRST OUT...

  • Page 40: Options

    11. Options 11.1 General The standard 725 Series alarm annunciator is designed to meet the majority of alarm specifications but in certain applications additional options may be required. Please note:- The following options are usually specified at the time of ordering. Please consult factory if you would like to check suitability of adding options to existing units.

  • Page 41: Individual Channel Dual Repeat Relays (Option Rl2)

    RTK Series 725 Annunciator Display Follower The individual relay will activate when an alarm occurs and faithfully mimic the state of the output drive to the associated lamp (flashing, on or off) FEATURE FUNCTION SETTING Display follower 11.5 Individual Channel Dual Repeat Relays (Option RL2) In applications that require two repeat relay outputs for each channel a dual channel alarm card complete with repeat relays and a dual channel relay card are required.

  • Page 42: Supply Input/Output Module (Option Si/O)

    RTK Series 725 Annunciator 11.10 Supply Input/Output Module (Option SI/O) The SI/O module is required in the following instances: - 1. In larger systems to distribute the 24VDC logic supply load evenly 2. To interlink multiple annunciator cabinets together to form larger systems 3.

  • Page 43: Group Relays Follow Inputs (Option Gfi)

    RTK Series 725 Annunciator 11.16 Group Relays Follow Inputs (Option GFI) Option GFI allows the GPA and GPB group relays to follow the function of the alarm contact. If an alarm occurs within the group the relay will change state and will remain in the alarm condition until the associated input has returned to normal.

  • Page 44: Common Horn/Group/Multi-Function Relay & Remote P.b. Connections

    RTK Series 725 Annunciator 11.22 Common Horn/Group/Multi-Function Relay & Remote P.B. Connections Customer connections for the common functions should be wired to the rear of the SPR module. These connections are shown below: - COMMON CONNECTIONS 24VDC Logic power 24VDC Signal contact voltage (OV &...

  • Page 45: Large Window Alarm Module Wiring

    RTK Series 725 Annunciator 12. Large Window Alarm Module Wiring Series 725 units supplied with large windows provide one alarm per cell. In order to maximise the use of the standard two channel alarm card all odd cells within the annunciator, (1,3,5,7, etc), are equipped with alarm cards and all even cells, (2,4,6,8, etc), are left unequipped.

  • Page 46: Large Window Versions Fitted With An Odd Number Of Alarms

    RTK Series 725 Annunciator 12.3 Large Window Versions Fitted With An Odd Number Of Alarms Series 725 units that use large windows and have an odd no of total alarms in the system, 1,3,5,7,9, ways etc, will be supplied with dual channel cards in alternative cells as described in the previous paragraph with the exception of the last cell which will be supplied for use as a single alarm cell only as detailed below.

  • Page 47: Medium Window Alarm Module Wiring

    RTK Series 725 Annunciator 13. Medium Window Alarm Module Wiring Series 725 units supplied with medium windows provide two alarms per cell. 13.1 Standard Version Without Repeat Relay Facility Each cell is equipped with a type A2 back plate and a dual channel alarm card model no CB5674POP1, which is suitable for 2 signal inputs.

  • Page 48: Small Window Alarm Module Wiring

    RTK Series 725 Annunciator 14. Small Window Alarm Module Wiring Series 725 units supplied with small windows provide four alarms per cell. 14.1 Standard Version Without Repeat Relay Facility Each cell is equipped with a type A4 back plate and two x dual channel alarm cards.

  • Page 49: Dual Repeat Relay Option

    RTK Series 725 Annunciator 15. Dual Repeat Relay Option 15.1 Optional Version With Dual Repeat Relay Facility (Option RL2) Each cell is equipped with a type AR* back plate, a dual channel alarm card and a dual channel repeat relay card.

  • Page 50: Signal Supply Voltage Options

    24VDC LOGIC SUPPLY Earthing All 725 Series Alarm Annunciators are fitted with a separate earth stud, which is located on the metal frame extrusion. Warning:- To ensure the final installation meets all relevant safety standards and EMC directives this earth must be connected...

  • Page 51: Standard Systems Using Externally Powered Inputs

    RTK Series 725 Annunciator 16.2 Standard Systems Using Externally Powered Inputs 24VDC powered inputs. As an option systems can use externally generated signal supply voltage sources to power the inputs. If the externally generated signal supply voltage is 24VAC/DC then the standard annunciator can be used without modification.

  • Page 52: Common Pushbutton Module

    RTK Series 725 Annunciator 17. Common Pushbutton Module 17.1 P725 Systems Sharing A Common Pushbutton / Programme Module Multiple Series 725 Annunciators can be supplied with one common pushbutton / programming module to allow a number of cabinets to operate as a single system.

  • Page 53: Si/O Module Details

    RTK Series 725 Annunciator 17.2 SI/O Module Details Systems that require common pushbutton control between multiple cabinets or larger units that require additional power distribution terminals are supplied with the optional SI/O card. The SI/O module is located in the bottom row of each annunciator in the system to provide the additional connections required for logic power distributions and ribbon in / ribbon out connections as shown below.

  • Page 54: P725 Systems With Remote Pushbutton/Programming Module

    When using the programming module it is necessary to see the alarm channel windows you are programming therefore the position of the module cannot be beyond a reasonable visual range. Interconnections between units is via a 26 way ribbon cable which is available from RTK if required Typical Applications Using Remote Pushbutton Module...

  • Page 55: Remote Pushbutton Module Connections

    RTK Series 725 Annunciator 17.8 Remote Pushbutton Module Connections In order for the remote pushbutton/programming module to operate correctly this unit should be interconnected to the annunciator(s) using a ribbon cable as shown in the diagram below. This ribbon cable can also connect to further annunciators if they are all to be configured and linked to the same pushbutton module.

  • Page 56: Repeat Pushbutton Outputs (Option Rpb)

    RTK Series 725 Annunciator 17.9 Repeat Pushbutton Outputs (Option RPB) Option RPB provides two independent volt-free contact outputs, which follow the operation of a chosen pushbutton. A two channel relay card is added to the system and switches on the card are used to set the function of each relay to follow either:- System test, lamp test, silence, ack, reset, first reset or sleep mode.

  • Page 57: Power Distribution

    RTK Series 725 Annunciator 18. Power Distribution Power Distribution On Large Annunciator Units Systems greater than 32 cells are equipped with a minimum of one SI/O supply card to allow the user to distribute the logic supply load and avoid excessive current being passed through the motherboard.

  • Page 58: Systems Fitted With Serial Communications

    RTK Series 725 Annunciator 19. Systems Fitted With Serial Communications Systems Fitted With The Serial Communications Option All series 725 units can be supplied with a bi directional serial output card and RS485 serial port, which can be used to transmit or receive serial alarm data to and from 3 party devices on a channel-by-channel basis or in master /slaves configurations between annunciators.

  • Page 59: System Configurations And Programming

    20. System Configurations and Programming Functions The 725 Series Alarm Annunciator is always supplied with a comprehensive range of pre-defined options which can be enabled or disabled on a channel by channel basis using the integral, (or as an option remote), pushbutton / programming module. To simplify the configuration process each option has been allocated a unique “Function No.”...

  • Page 60: Changing A Function Setting

    RTK Series 725 Annunciator 20.2 Changing A Function Setting When the pushbutton / programming module has been hinged down and the “CONF”, “programme mode”, switch has been placed to the ON position the operation of the pushbuttons changes as indicated on the information plate on the underside of the unit as detailed below:-...

  • Page 61: Programming Example

    RTK Series 725 Annunciator 20.3 Programming Example Example:- If channel 7 is currently set to manual reset but the user would like to change this to allow the window to automatically reset, (after acknowledge), the following procedure should be followed.

  • Page 62: Function No Key And Descriptions

    RTK Series 725 Annunciator 21. Function No Key And Descriptions If units are supplied with unarmed alarm channels it is necessary to jump over these missing cards (addresses) to access the next channel. General Description The P725 is equipped with numerous pre-defined features that can be simply enabled or disabled on a per channel basis as required.

  • Page 63: Function Descriptions

    RTK Series 725 Annunciator 22. Function Descriptions Function Numbers are used to describe pre-defined features that can be enabled or disabled by the Customer as required. F0- Contact Status Function F0 allows each window in the annunciator to be illuminated if the associated signal contact is in the closed state.
  • Page 64 RTK Series 725 Annunciator F5- Ringback Sequence Ringback sequence is used to inform the operator that an acknowledged alarm has returned to normal. When an acknowledged alarm returns to normal the associated window will slow flash to indicate to the operator that the alarm can be reset.
  • Page 65 RTK Series 725 Annunciator F9- Non-Critical Group Relay Reflash Function Group relays are typically used to inform third party devices that there is an alarm within a local panel, however in the standard mode additional alarms occurring within the same group will not change the state of the relay if one alarm remains active.
  • Page 66 RTK Series 725 Annunciator F14 - First-Up Group A All alarms set to function F14 will operate as a single first-up group in accordance with the selected first-up sequence. F14 is the function code allocated for first-up Group A. FEATURE-F14...
  • Page 67 RTK Series 725 Annunciator F17 – Alarm Logic Selection (Standard version) On standard units that have the communications capability enabled there are only two first-up groups A and B. On these units Function 17 is used to configure how the communications operate.
  • Page 68 RTK Series 725 Annunciator F20- Inhibit Group Repeat Relays On System Test If any channel in the system has been assigned to either the GPA or GPB relays using function F21 or F22 and system test is pressed the group relays will activate. However if function F20 is enabled the GPA and GPB relays cannot be triggered by system test.

  • Page 69: Alarm Card Address Settings

    RTK Series 725 Annunciator 23. Alarm Card Address Settings Dual Channel Alarm Card Address And Output Drive Type Settings Before each card is placed within the annunciator a unique address No. has to be set using the switches located on DIL switch SW1, which allows the programming module to communicate and pass programming instructions to and from the associated alarm channels.

  • Page 70: Alarm Card Dil Switch Sw1 Address Settings

    RTK Series 725 Annunciator 23.2 Alarm Card DIL Switch SW1 Address Settings ADDRESS BINARY SW1-7 SW1-6 SW1-5 SW1-4 SW1-3 SW1-2 SW1-1 0000000 0000001 0000010 0000011 0000100 0000101 0000110 0000111 0001000 0001001 0001010 0001011 0001100 0001101 0001110 0001111 0010000 0010001 0010010...
  • Page 71 RTK Series 725 Annunciator Alarm Card DIL Switch SW1 Address Settings 41 To 80 ADDRESS BINARY SW1-7 SW1-6 SW1-5 SW1-4 SW1-3 SW1-2 SW1-1 0101001 0101010 0101011 0101100 0101101 0101110 0101111 0110000 0110001 0110010 0110011 0110100 0110101 0110110 0110111 0111000 0111001...
  • Page 72 RTK Series 725 Annunciator Alarm Card DIL Switch SW1 Address Settings 81 To 120 ADDRESS BINARY SW1-7 SW1-6 SW1-5 SW1-4 SW1-3 SW1-2 SW1-1 1010001 1010010 1010011 1010100 1010101 1010110 1010111 1011000 1011001 1011010 1011011 1011100 1011101 1011110 1011111 1100000 1100001...
  • Page 73 RTK Series 725 Annunciator Alarm Card DIL Switch SW1 Address Settings 121 To 127 ADDRESS BINARY SW1-7 SW1-6 SW1-5 SW1-4 SW1-3 SW1-2 SW1-1 1111001 1111010 1111011 1111100 1111101 1111110 1111111...

  • Page 74: Customer Adjustable Response Times

    RTK Series 725 Annunciator 24. Customer Adjustable Response Times If specified at the time of ordering alarm cards can be supplied with single-turn potentiometers that allow the user to set the reponse time of each input. Option AD1 = 5 – 50 ms Option AD2 = 20ms - 2 seconds Option AD3 = 5ms –...
  • Page 75 RTK Series 725 Annunciator Return to Normal Delay Period In standard applications any delay period set for alarm initiation is also applied to the return to normal state. For example if a 5 second delay is set, the alarm will not activate until the input has been in the abnormal state for a minimum of 5 seconds.
  • Page 76 RTK Series 725 Annunciator 1 2 3 4 When using AD* options, on P725 Annunciator supplied after March 2009 Switch SW2 is available on each (2) channel alarm card to allow the user to set the input state to normally open or normally closed and to set the return to normal delay period.

  • Page 77: Systems With Serial Communication

    Each annunciator is set with a unique address from 0 to 63, which allows up to 64 separate annunciators to be connected in a single RS485 multi-drop loop. RTK can also supply comprehensive alarm monitoring and logging software if required.
  • Page 78 ASCII or RTU modbus is selected. Software RTK Instruments can supply comprehensive monitoring software for use with the 725 Series alarm annunciator. This can be configured as an alarm/event management system with user generated custom displays to monitor plant wide system operation.

  • Page 79: Serial Communication Card

    RTK Series 725 Annunciator 26. Serial Communication Card The series 725 Series Alarm Annunciator can be fitted with a serial communications card, which will provide an RS485 port to connect to external equipment. A number of features on this card are DIL- switch selectable as described in the following section.
  • Page 80 RTK Series 725 Annunciator Serial Interface Card Address selection Each annunciator needs to have a node address selected which must be between 0 and 63. It is this address that makes the annunciator unique and allows the external equipment to communicate to a defined annunciator within a multi-drop system.
  • Page 81 RTK Series 725 Annunciator SPR Card Settings On systems using serial communications Link LK10 on the SPR card should be set to Comm’s as shown below MULT. FUNCT. GROUP HORN RELAY RELAY RELAY CONTACT SET NORMALLY CLOSED RL4 - GPB...

  • Page 82: Serial Communication Port

    RTK Series 725 Annunciator 27. Serial Communication Port This section describes the process of reading from and writing data to a P725 slave annunciator, and also the different types of data interchange possible. The tables below show the standard message formats for data interchange, for both ASCII and RTU protocols.
  • Page 83 RTK Series 725 Annunciator Write Request/Response Master write request and P725 slave write response, are the same. REGISTER ERROR START ADDRESS FUNCTION DATA STOP ADDRESS CHECK ASCII XXXX XXXX [CR] [LF] REGISTER ERROR START ADDRESS FUNCTION DATA STOP ADDRESS CHECK...
  • Page 84 RTK Series 725 Annunciator Channel Data The following table shows the name, function, and relative position of data bits in the data field for a read response or write request of alarm channel data. DATA LOWEST WORD Input state First up...
  • Page 85 RTK Series 725 Annunciator Control Functions - (Pushbuttons) All the control functions with the exception of sleep and lamp test can be written to or read from the P725 slave. The following table shows the name, function, and relative position of data bits in the data field for a read response or write request of pushbutton data.

  • Page 86: Rd Party Devices

    3 party equipment. In addition to the annunciation RTK can also supply suitable alarm management software pre- installed onto a single computer or as part of a complete plant wide alarm management system. P725 Connected To 3...

  • Page 87: P725 To P725 Serial Links

    RTK Series 725 Annunciator 29. P725 To P725 Serial Links Local And Remote Systems Linked Via Communications In applications that require local panel alarms to be duplicated or summarised in a central control room each P725 can be supplied with a serial interface card which allows RS485 communication between units using Modbus protocol.
  • Page 88 RTK Series 725 Annunciator Communication Link Wiring Details P725 MASTER P725 SLAVE P725 SLAVE...

  • Page 89: Commissioning

    RTK Series 725 Annunciator 30. Commissioning A qualified technician properly trained and authorised to work with this type of equipment should carry out commissioning and servicing operations. The following procedure is a summary of the steps normally taken when installing an alarm system. This is the absolute minimum requirement and will generally be supplemented by a number of additional checks relating to the particular application and installation.

  • Page 90: Maintenance

    RTK Series 725 Annunciator 31. Maintenance 31.1 No Special Tools All normal maintenance and programming is carried out from the front of the annunciator without the use of special tools. Filter and film legend changes and lamp and LED replacement are all undertaken by unclipping the front filter assembly.

  • Page 91: Spare Parts Description

    RTK Series 725 Annunciator 32. Spare Parts Description Alarm Card Types There are 4 basic types of dual channel alarm cards however earlier version P725 Annunciators used metal casing and the cards were slightly smaller than the latest versions which are housed in plastic enclosures.
  • Page 92 RTK Series 725 Annunciator SPR Dual Card Assembly (Supply And Relay Card) Current Versions PART NO DESCRIPTION USED ON Replaced the original CB4190POPcard in plastic version CB7080POP SPR supply card annunciator cabinets from Dec 2006 onwards Replaced the CB4210POP card in plastic version...

  • Page 93: Other Rtk Products

    RTK Series 725 Annunciator 33. Other RTK Products RTK Instruments Ltd are fully ISO9001:1994 approved and manufacture a comprehensive range of complementary products from our factory in Knaresborough N. Yorkshire for use in the Industrial Control and Instrumentation field per the summary list provided below.

  • Page 94: Ec Declaration Of Conformity

    RTK Series 725 Annunciator 34. EC DECLARATION OF CONFORMITY This is to certify that the P725 Alarm Annunciator Manufactured by: RTK INSTRUMENTS LTD ST JAMES BUSINESS PARK KNARESBOROUGH NORTH YORKSHIRE HG5 8PJ Conforms with the protection requirements of Council Directive 89/336/EEC, amended by 92/31/EEC...

  • Page 95: Function Setting Per Alarm Sequence

    RTK Series 725 Annunciator 35. Function Setting per Alarm Sequence FUNCTION FEATURE STD ISA SEQUENCES FIRST-UP ISA SEQUENCES STATUS NUMBER DESCRIPTION ONLY F2M-1 FFAM2 Manual / Automatic Reset Lock In / Non Lock In Ringback Sequence 2 Pushbutton Operation First Up Seq. FO ** Set To On For Slow Flash First Up Seq.

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