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700SP Signal Processor and
S70x/S80x Viewing Head
APPLICATION
The Honeywell Model 700ACSP and Model 700DCSP signal
processors are single-channel, fail safe, flame monitoring
systems when used In conjunction with the S70X/S80X
viewing heads. They offer easy setup, excellent discrimination,
and high reliability.
FEATURES
Viewing heads are interchangeable between the two signal
processor models. Any viewing head in the two families will
work with any of the signal processors.
Two signal processor models are available:
• Model 700ACSP Universal 85-265 VAC powered, plus
24VDC backup.
• Model 700DCSP 22-26VDC powered, plus 24VDC backup.
The two Model 700 signal processors are similar, with 12
push-buttons, a two-digit numeric display, and four LED status
indicators for operator interface. The only difference between
the two is that one accepts AC power and the other accepts
DC power. Both models also accept 24VDC backup power.
Most of the signal processor connections are made through
Phoenix plug-in connectors. Communication connections are
made through modular phone jacks located at the top of the
signal processors (Fig. 9).
Both signal processor models mount on a standard 35 mm
DIN rail. They snap into place and may be released from the
rail using a flat screwdriver.
There are two types of viewing heads-IR/flicker-sensitive and
UV-sensitive-with various features offered resulting in ten
different models. See Table 1 on page 2 for details.
The S702 and S706 viewing head housings are larger in
diameter than the S80X series, are made of aluminum, and
are secured with over-center latches to their mounting blocks
(Fig. 10). In contrast, the S802 and S806 viewing head
housings are smaller in diameter and are made of stainless
steel (Fig. 11). An 800 series viewing head is secured in its
mounting block by a friction twist-lock.
The IR/flicker sensitive viewing heads have a high-pass filter
that passes flicker frequencies above 33 Hz. The UV models
respond to the level of UV radiation-not UV flicker-so there
is no filter option.
Application .......................................................................
Features ...........................................................................
Specifications ...................................................................
Approvals .........................................................................
Installation ........................................................................
Operation ......................................................................... 11
Modbus Communication .................................................. 16
Troubleshooting ................................................................ 19
Maintenance .................................................................... 19
Safety Manual: 700 Signal Processor .............................. 35
Safety Manual: S70X & 80X Viewing Head ..................... 38
USER MANUAL
Contents
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2069
66-
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Summary of Contents for Honeywell 700SP
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Page 1: Table Of Contents
UV radiation—not UV flicker—so there is no filter option. APPLICATION Contents The Honeywell Model 700ACSP and Model 700DCSP signal Application ............... processors are single-channel, fail safe, flame monitoring Features ................systems when used In conjunction with the S70X/S80X Specifications .............. - Page 2 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD Table 1. Available viewing head models and associated features. Pipe Fit Connection High 0.5 in. NPTM with 10-ft UVTron Frequency Aluminum Stainless Steel Model Connector (3 m) pigtail Sensor IR Sensor Filter 155Hz...
- Page 3 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD APPROVALS 700ACSP and 700DCSP Signal Processors S70X/S80X Viewing Heads (Connector series and Pipe fit CSA (C, US) series [PF]) CSA for CLASS I, DIV 2, GROUPS A, B, C, D & T4A SIL 3 “Fit for Use”...
- Page 4 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD installing any insulating material, for example a Unique fail-safe circuitry for the self-check and flame relays rubber hose, in between the purge air line and the ensure that in the event of any critical component failure viewing head.
- Page 5 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD +26VDC AC POWER SUPPLY -t° .125 A APPROVED CHASSIS, 0-20 OR 4-20 MA EARTH, OR FOR INDICATOR OR SYSTEM GND INSTRUMENTATION 360 OHMS MAX TO VIEWING HEAD 24 V AC IN BACKUP BATTERY...
- Page 6 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD +26VDC .125 A APPROVED 0-20 OR 4-20 MA FOR INDICATOR OR INSTRUMENTATION 360 OHMS MAX TO VIEWING CHASSIS, HEAD EARTH, OR SYSTEM GND 24 V DC POWER SUPPLY BACKUP BATTERY 250 MA...
- Page 7 The PF model comes head, along with ITC/CIC rated raw cable are also available with 10 feet of Honeywell C330S cable. This cable is and listed below. The cable installation must conform to the recommended for all new installations.
- Page 8 Honeywell. 1. Referring to Fig. 5, strip cable 2 inches back to expose Honeywell C330S cable is recommended for use with the the braided shield. S70X/S80X viewing heads and signal processors. C330S has 2. Pull braided and foil shield back so that only drain wire a UL ITC rating and can be used in the U.S.
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Page 9: Installation
HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD b. Braided shield is on outside of ferrule, and pressed Connection of the Honeywell type C330S cable to the viewing against housing when assembled. head plug is shown in Fig. 7. Cable preparation should be c. - Page 10 Viewing Head Mounting The S70X viewing head lens will withstand 50 psi (3.4 bar) Honeywell offers a range of swivel mounts, both pipe thread or while the S80X lens will withstand 90 psi (6.2 bar), provided flange mounting for use with sight pipes or direct wind box the compression ring on the purge air adapter is tightened mounting.
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Page 11: Operation
1 in. NPTF, 1/2 in. NPTF and 1/2 in. flanged. Fiber Optic System Compatibility - The S70X and S80X viewing heads are compatible with the Honeywell FASA fiber Swivel mounts, large (M-701-1, M-701-2, M-701-2-FLG, M- optic extension products. The S700FOAD and S800FOAD 701-2-SS, M-701-3, M-701-3P, M-701-4) - All have 1 in NPTF adapters are applicable, depending on the application. - Page 12 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD combustion process as oxygen combines with hydrocarbons 1/2 in. swivel joint, which Honeywell can supply if one is not in the fuel in the blue part of the flame. The yellow part of available (refer to “Accessories”...
- Page 13 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD new setting, press the STORE button until “--” is shown, • BNR-ON SEQ START/END button: indicating the value has been accepted. — Used to initiate and proceed through the automatic parameter setup sequence, which includes the RELAY...
- Page 14 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD The two numeric digits on the Model 700 signal processor displayed. Refer to Fig. 25 for the setup flowchart. The FFRT normally display the incoming count during operation; that is, can be set at 1, 2 or 3 seconds. While the value is displayed, the number of pulses that arrive between self-check pulses.
- Page 15 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD The FFRT (flame failure response time) and the 0/4-20mA The signal processor also adjusts the viewing head gain during output option must be manually setup after the automatic the BNR-ON and BNR-OFF data sampling sequence.
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Page 16: Modbus Communication
700ACSP/700DCSP is over two twisted pairs that are differentially driven and received according to the RS-422 standard. Honeywell offers a RS485/ The factory default Modbus address of the 700ACSP and 422 to USB converter to use in conjunction with the 700ACSP/ 700DCSP is 0 and must be changed to a number between 1 700DCSP signal processors. - Page 17 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD Table 4. MODBUS registers map. (Continued) Register Name Description Minimum Maximum 40084 ERRORCODE Error code (read/write) NOTE: writing a non zero number to this register is not allowed 40085 BAUD Baud rate setting (bits/second). Only affects RS-485 communication, not IRDA.
- Page 18 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD SIDE VIEW BOTTOM VIEW WIRE PRODUCT SIDE SIDE USB TO RS422/485 CONVERTER TDA(–) TDB(+) RJ11 CONVERTER COLOR TYPE A COLOR TYPE B DESCRIPTION MODULAR RDA(–) CONNECTOR CONNECTOR RDB(+) RDA (-) FROM PROCESSOR...
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Page 19: Troubleshooting
HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD TROUBLESHOOTING Lockout or Faulty VH Indication Since the flame count cannot go this high, the flame relay cannot be energized. The signal processor can be reset by If the viewing head produces any pulses during the last one... - Page 20 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD 1/2 NPT FOR SIGHTING PIPE 1/2 NPT FOR SIGHTING PIPE HEX 1-1/2 (38) ACROSS FLATS HEX 1-1/2 (38) ACROSS FLATS 1-3/4 (45) DIA MOUNTING BLOCK 1/4 NPT FOR PURGE AIR 1-3/4 (45) DIA MOUNTING BLOCK...
- Page 21 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD RELAY CONNECTIONS RS-422 WIRING 35MM DIN RAIL 5-1/2 (139) APPROVED DIN RAIL RELEASE 2-29/32 (74) 3-1/4 (83) M34584A Fig. 12. Model 700DCSP Signal Processor. 66-2069—04...
- Page 22 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD RELAY CONNECTIONS RS-422 WIRING MODEL 700AC 35MM DIN RAIL 5-1/2 (139) APPROVED DIN RAIL RELEASE 2-29/32 (74) 3-1/4 (83) M34851A Fig. 13. Model 700ACSP Signal Processor. 66-2069—04...
- Page 23 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD BURNER FRONT PLATE 1 (25) NPT NIPPLE TOE S70X VIEWING HEAD 1/4 (6) NPT PURGE 700-1 SWIVEL MOUNT CONNECTION QUICK DISCONNECT CABLE CONNECTION (SUPPLIED) M34537A Fig. 14. Viewing Head Mounting Example. BURNER FRONT PLATE...
- Page 24 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD HIGH FREQUENCY FLICKER ZONE DETECTOR IN GOOD SIGHTING POSITION (PARALLEL SIGHTING) BURNER NOZZLE CENTERLINE DETECTOR IN POOR SIGHTING POSITION LOW FREQUENCY FLICKER ZONE M33285B Fig. 16. IR Viewing Head Location UV VIEWING...
- Page 25 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD NO. 2 FLAME NO. 1 FLAME ENVELOPE ENVELOPE VIEWING HEAD VIEWING HEAD BURNER NOZZLE BURNER NO. 1 NOZZLE NO. 2 HIGH FREQUENCY LOW FREQUENCY HIGH FREQUENCY IR ZONE ZONE (LESS THAN IR ZONE...
- Page 26 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD RESTORING DEFAULT VALUES LOAD FACTORY PRESS LOAD FACTORY DEFAULTS DEFAULTS FOR 2 SECONDS 2 SECS DISPLAY SHOWS ‘PL’, IS THE PANEL LOCKED? MEANING THE PANEL IS LOCKED NORMAL OPERATION IS THE AUTO SET DISPLAY SHOWS ‘CF’,...
- Page 27 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD AUTO SETUP BNR-ON PRESS BNR-ON SEQ FOR 2 SECONDS START/END 2 SECS DISPLAY SHOWS ‘PL’ IS THE PANEL LOCKED? UNTIL KEY RELEASED IS THE AUTO SET DISPLAY SHOWS ‘CF’, LIGHT LIT? MEANING CONFIRM...
- Page 28 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD NOTE: AUTO SETUP - PAGE 2 (CONTINUED) PRESS RESET AT ANY TIME RESET DURING THIS PROCEDURE TO CANCEL AUTO SETUP DISPLAY BEGINS COUNTING DOWN FROM 59 SECONDS BNR-ON PRESS BNR-ON SEQ AGAIN TO END TAKING BURNER...
- Page 29 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD NOTE: AUTO SETUP - PAGE 3 (CONTINUED) PRESS RESET AT ANY TIME RESET DURING THIS PROCEDURE TO CANCEL AUTO SETUP IS THE AUTO SETUP RATIO MAY BE ACCEPTABLE RATIO MARGINAL? 71% < RATIO < 81% DISPLAY ALTERNATES SHOWING ‘AC’...
- Page 30 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD SETTING RELAY ON VALUE RELAY ON PRESS RELAY ON SET POINT DISPLAY SHOWS CURRENT FOR 2 SECONDS POINT RELAY SETTING 2 SECS INCREASE USE INCREASE OR DECREASE KEYS TO ADJUST SETTING DECREASE DISPLAY SHOWS ‘PL’...
- Page 31 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD SETTING RATIO PERCENTAGE RATIO (%) PRESS, RATIO (%), DISPLAY SHOWS CURRENT RATIO OFF FOR 2 SECONDS RATIO SETTING IN PERCENT RATIO ON 2 SECS INCREASE USE INCREASE OR DECREASE KEYS TO ADJUST SETTING DECREASE DISPLAY SHOWS ‘PL’,...
- Page 32 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD SETTING FLAME FAILURE RESPONSE TIME (FFRT) FFRT 1/2/3 SEC PRESS, FFRT, DISPLAY SHOWS CURRENT OPTION FOR 2 SECONDS SETTING IN SECONDS 2 SECS INCREASE USE INCREASE OR DECREASE KEYS TO ADJUST SETTING DECREASE DISPLAY SHOWS ‘PL’,...
- Page 33 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD SETTING ANALOG OUTPUT LEVELS (0-20/4-20 mA) 0-20 mA PRESS, 0-20 / 4-20 mA OPTION, DISPLAY SHOWS: 4-20 mA FOR 2 SECONDS ‘02’ FOR 0-20 mA OPTION ‘42’ FOR 4-20 mA 2 SECS...
- Page 34 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD SETTING VIEWING HEAD GAIN ACCEPT PRESS ACCEPT RATIO / SET GAIN RATIO DISPLAY SHOWS CURRENT FOR 2 SECONDS SET GAIN GAIN SETTING 2 SECS INCREASE USE INCREASE OR DECREASE KEYS TO ADJUST SETTING DECREASE DISPLAY SHOWS ‘PL’...
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Page 35: Safety Manual: 700 Signal Processor
HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD SAFETY MANUAL: 700 SIGNAL PROCESSOR 700ACSP, 700DCSP Product Declaration FIT FOR USE IN A LOW DEMAND SAFETY APPLICATION. Models: 700ACSP & 700DCSP λ λ λ Models 700AC >99% 1.79 x 10 1.93 x 10 8.53 x 10... - Page 36 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD As an added safety feature, the coil of the Flame Relay is signal. Each relay must be driven by an alternating signal of wired in series with a second pole of contacts on a Self Check the proper frequency and duty cycle from the processor.
- Page 37 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD 700AC or 700DC Signal Processor Proof Test Procedure Equipment 3. Use a light source to generate a flame on condition and, using a multimeter, ensure continuity between ‘RF A • Powered 700AC or 700DC correctly connected to a COM’...
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Page 38: Safety Manual: S70X & 80X Viewing Head
HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD SAFETY MANUAL: S70X & 80X VIEWING HEAD S702, S706, S802, AND S806 Product Declaration FIT FOR USE IN A LOW DEMAND SAFETY APPLICATION. Models: S702, S702-PF, S706, S706-PF, S802, S806 λ λ... - Page 39 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD Safety Function of the S702, S706, S70X and S80X Viewing Head Proof S802, and S806 Test Interval The S702, S706, S802, and S806 viewing heads do not have The proof test must be conducted every 1 to 5 years. This a safety function.
- Page 40 HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD Product Decommissioning a. Increase the gain and store the setting. Ensure the flamecount increased. When required, decommissioning of the S70X and S80X b. Decrease the gain and store the setting. Ensure the viewing heads should be performed in accordance with flamecount decreased.