YOKOGAWA UT351 User Manual

User's
Models UT351 / UT321
Manual Digital Indicating Controllers
with Active Color PV Display
User's Manual Installation
IM 05D01D12-01E
3rd Edition: Apr. 1, 2003
This manual describes installation, wiring, and other tasks required to make the controller ready for operation.
Contents
1. Safety Precautions
2. Model and Suffix Codes
3. How to Install
4. How to Connect Wires
5. Hardware Specifications
6. Terminal Wiring Diagrams
Introduction
Thank you for purchasing the UT351/UT321 digital indicating controllers.
The controller is shipped from the factory with 4 hardcopy user's manuals (A2 and A3 size) and 1 user's manual on CD-
ROM. The 4 user's manuals in hardcopy format describe the operating procedures required for basic use. It is recommended
that you refer to these user's manuals to understand [1] installation, [2] initial settings, and [3] operating procedures of the
controller.
The CD-ROM contains an User's Manual (Reference) with descriptions of various functions and setting ranges that can be
set as necessary.
Moreover, the use of an optional parameter setting tool (model: LL100-E10) allows you to easily perform settings and
adjustments with a PC.
How to Use the Manuals
Purpose Manual Title Description
Setup Describes the tasks (installation, wiring, and others) required
Installation
to make the controller ready for operations.
Basic operation Describes examples of setting PV input types, control output
Initial Settings
types, and alarm types. Making settings described herein
allows you to carry out basic control.
Operating Describes key operation sequences. For operation control
Operations
procedures
through external contact inputs, see the back of Installation
and troubleshooting User's Manual.
Brief operation Contains the parameter map used as a guideline for setting
Parameters
and setpoint recording parameters and lists of parameters for recording User Settings.
Basic operation of Describes the setting/explanation of Active Color PV Display.
Setting / explanation
Active Color PV Display
of Active Color PV Display
Detailed description
User's Manual Describes functions more advanced than those explained in
of functions (Reference) the 3 hardcopy user's manuals.
1. Safety Precautions
The following symbol is indicated on the controller to ensure safe use.
CAUTION
This symbol on the controller indicates that the operator must refer to an explanation in the user's manual in order
to avoid the risk of injury or death of personnel or damage to the instrument. The manual describes how the operator
should exercise special care to avoid electric shock or other dangers that may result in injury or loss of life.
The following symbols are used in the hardcopy user's manuals and in the user's manual supplied on the CD-ROM.
NOTE
Indicates that operating the hardware or software in a particular manner may damage it or result in a system failure.
IMPORTANT
Draws attention to information that is essential for understanding the operation and/or features of the controller.
2. Model and Suffix Codes
Before using the controller, check that the model and suffix codes match your order.
Model Suffix Code Description
UT351 Digital indicating controller (provided with retransmission output and 15 V
DC loop power supply as standard)
UT321
-0 Standard type
Type
-2 Heating/cooling type
-3 Standard type (with 24 V DC loop power supply)
0 None
Optional functions 1 With communication, heater burnout alarm
2 With heater burnout alarm
Check that the following items are provided:
• Digital indicating controller (of ordered model): ........................................... 1
• Brackets (mounting hardware): ...................................................................... 1 pair
• Unit label: ....................................................................................................... 1
• User's Manuals: .............................................................................................. 3 (A2 size)
• User's Manuals "Setting/Explanation of Active Color PV Display": ............ 1 (A3 size)
• User's Manual (Reference) (CD-ROM version): ........................................... 1
3. How to Install
NOTE
To install the controller, select a location where:
(1) no one may accidentally touch the terminals,
(2) mechanical vibrations are minimal,
(3) corrosive gas is minimal,
(4) temperature can be maintained at about 23°C and the fluctuation is minimal,
(5) no direct radiant heat is present,
(6) no magnetic disturbances are caused,
(7) no wind blows against the terminal board (reference junction compensation
element),
(8) no water is splashed,
(9) no flammable materials are around,
Never place the controller directly on flammable items or equipment.
If the controller has to be installed close to flammable items or equipment, be sure to provide shielding panels all
around the controller, at least 150mm away from every side; the panels should be made of either 1.43mm-thick
metal-plated steel plates or 1.6mm-thick uncoated steel plates.
NOTE
Never touch the opening at the bottom of the case. It is to be used in the factory at shipping.
Installation Position
Install the controller at an angle within 30° from horizontal
Front panel
with the front panel facing upward. Do not install it facing
of controller
downward. The position of right and left sides should be hori-
zontal.
Media
External Dimensions and Panel Cutout Dimensions
A2-size paper,
back and front
UT351
A2-size paper,
front
11 100
96
A2-size paper,
back
A2-size paper,
back and front
A3-size paper,
back and front
CD-ROM
1 to 10 mm (Panel thickness)
General installation Side-by-side close installation
117 min.
(53) 145 min.
"N" stands for the number of controllers to be
installed.
However, the measured value applies if N
+0.8
92
0
+0.8
92 (25)
0
UT321
48 11 100
1 to 10 mm (Panel thickness)
General installation Side-by-side close installation
70 min.
145 min.
(53)
"N" stands for the number of controllers to be
installed.
However, the measured value applies if N
+0.8
92
0
+0.6
45 (25)
0
How to Install
CAUTION
Turn off the power to the controller before installing it on the panel because there is a possibility of electric shock.
150mm Panel
150mm 150mm
150mm
Direction to insert the
controller
Insert the controller
into the opening at
the front of the panel.
Small bracket
(bottom mounting hardware)
4. How to Connect Wires
CAUTION
1) Before carrying out wiring, turn off the power to the controller and check that the cables to be connected are not
alive with a tester or the like because there is a possibility of electric shock.
2) Wiring must be carried out by personnel who have basic electrical knowledge and practical experience.
Must not
exceed 30
NOTE
Rear of
30
controller
1) Provide power from a single-phase instrument power supply. If there is a lot of noise in the power line, insert an
insulating transformer into the primary side of the line and use a line filter (recommended part: ZAC2205-00U
from TDK) on the secondary side.
As a countermeasures against noise, do not place the primary and secondary power cables close to each other.
2) For thermocouple input, use shielded compensating lead wires for wiring. For RTD input, use shielded wires
that have low conductor resistance and cause no significant differences in resistance between the three wires.
The cables to be used for wiring, terminal specifications, and recommended parts are as shown below.
3) Control output relays may be replaced. However, because they have a life of 100,000 times that of the resis-
Unit: mm
tance load, use auxiliary relays to turn on/off a load.
4) The use of inductance (L) loads such as auxiliary relays, motors and solenoid valves causes malfunction or
Large bracket
relay failure; always insert a CR filter for use with alternating current or a diode for use with direct current, as
a spark-removal surge suppression circuit, into the line in parallel with the load.
5) When there is possibility of being struck by external lightening surge, use the arrester to protect the instrument.
For DC Relay Wiring
UT351/UT321 External DC power supply
R
Small bracket
UT's contact
Relay
(Use one with a relay coil rating
less than the UT's contact rating.)
+0.8
[(N-1) 96+92]
0
Cable Specifications and Recommended Cables
Purpose
Power supply, grounding, relay contact outputs
Thermocouple
RTD
Other signals
5.
Recommended Terminal Lugs
Applicable wire size
2
0.3 to 1.65 mm 0.8 N·m or less
Unit: mm
3 . 7 m m
Small bracket
Terminal Covers (Optional parts)
Target Model Part Number
For UT351 T9115YD
For UT321 T9115YE
1. Before attaching the terminal cover, bend the side with
Small bracket
the groove inward as shown in Fig. A. Be careful not to
bend it backwards. This not only marks it harder to
attach the cover but will also weaken its hold.
+0.6
2. Fit the holes on the top and bottom of the terminal cover
[(N-1) 48+45]
0
the projections on the brackets (Fig. B) and lock in
place. The figure right shows the attachment of a
terminal cover to UT controller.
5.
5. Hardware Specifications
PV Input Signals
• Number of inputs: 1 (terminals
• Input type: Universal input system. The input type can be
selected with the software.
• Sampling period: 250 ms
• Burnout detection: Functions at TC, RTD, standard signal
After opening the mounting hole on the
Large bracket
(0.4 to 2 V or 1 to 5 V)
(top mounting hardware) panel, follow the procedures below to in-
Upscale, downscale, and off can be specified.
stall the controller:
For standard signal, burnout is determined to have occurred
1. Insert the controller into the opening
if it is 0.1 V or less.
from the front of the panel so that the
• Input bias current: 0.05 A (for TC or RTD b-terminal)
• Measurement current (RTD): About 0.13 mA
terminal board on the rear is at the far
• Input resistance: 1 M or more for thermocouple or mV input
Terminal board side.
About 1 M for DC voltage input
2. Set the brackets in place on the top and
• Allowable signal source resistance: 250
bottom of the controller as shown in the
thermocouple or mV input
figure on the left, then tighten the screws
Effects of signal source resistance: 0.1 V/ or less
of the brackets. Take care not to over-
2 k or less for DC voltage input
tighten them. Effects of signal source resistance: About 0.01%/100
• Allowable wiring resistance: for RTD input
Maximum 150 /wire: Conductor resistance between three
wires should be equal
However, 10 /wire for a maximum range of -150.0 to
150.0 C.
Wire resistance effect:
• Allowable input voltage:
RTD input
20 V DC for DC voltage input
• Noise rejection ratio: 40 dB (50/60 Hz) or more in normal mode
120 dB (50/60 Hz) or more in common mode
• Reference junction compensation error:
1.5 C (0 to 15 C, 35 to 50 C)
• Applicable standards: JIS, IEC, DIN (ITS-90) for thermocouples
and RTD
Loop Power Supply
Supplies power to a two-wire transmitter.
(15 V DC: terminals
A resistor (10 to 250 ) connected between the controller
and transmitter converts a current signal into a voltage
signal, which is then read via the PV input terminal.
Supply voltage: 14.5 to 18.0 V DC, max. 21 mA (provided
with a protection circuit against a field short-circuit); 21.6
to 28.0 V DC, max. 30 mA (only for models with 24 V DC
loop power supply)
When using the 24 V DC loop power supply of the UT321,
keep the operating ambient temperature between 0 C and
40 C.
Retransmission Output
Either PV, target setpoint, or control output is output.
Either the retransmission output or the loop power supply
For AC Relay Wiring
can be used with terminals
• Number of outputs: 1 (terminals
UT351/UT321 External AC power supply • Output signal: 4-20 mA DC
• Load resistance: 600
• Output accuracy:
conditions (23
R
50/60 Hz)
Diode
Control Output
(Mount it directly
UT's contact
Relay
to the relay coil CR filter
Universal output system, The output type can be selected
(Use one with a relay coil
terminal (socket).) (Mount it directly
with the software.
rating less than the UT's
to the relay coil
contact rating.) • Current output (Standard type: terminals
terminal (socket).)
terminals
Number of outputs
Name and Manufacturer
2
600 V PVC insulated wires, JIS C 3307, 0.9 to 2.0 mm Output signal
Shielded compensating lead wires, JIS C 1610, X- - -
Load resistance
(See Yokogawa Electric's GS 6B1U1-E.)
Output accuracy
Shielded wires (three conductors), UL2482 (Hitachi Cable)
Shielded wires
• Voltage pulse output (Standard type: terminals
side: terminals
Tightening torque
Number of
outputs switched between a voltage pulse output and current output.
Output signal On-voltage = 12 V or more (load resistance: 600
3 . 7 m m
Resolution
or
• Relay contact output (Standard type: terminals
side: terminals
Number of outputs
Output signal
Sales Unit
Contact rating
1
1
Resolution
Contact Inputs
• Purpose: Selection between target setpoints or Auto/Man modes,
or for other purposes
• Number of inputs: 2
• Input type: Non-voltage contact or transistor open collector input
• Input contact rating: 12 V DC, 10 mA or more
Fold the cover in the direction
• On/off determination: For non-voltage contact input, contact
of the arrow.
resistance of 1 k or less is determined as "on" and contact
Figure A
resistance of 20 k or more as "off."
For transistor open collector input, input voltage of 2 V or
less is determined as "on" and leakage current must not
exceed 100 A when "off."
Fit the cover hold
over the protrusion • Minimum status detection hold time: About 1 second.
on the mounting bracket.
Contact Outputs
• Purpose: Alarm output, FAIL output, and others
• Number of outputs: 3
• Relay contact rating: 240 V AC/1 A or 30 V DC/1 A ; 1a (COM
terminal is common), (FAIL output ; 1b)
Display Specifications
Figure B
• PV display:
UT351: 4-digit, 7-segment green or red LED display,
character height of 20 mm
UT321: 4-digit, 7-segment green or red LED display,
character height of 12 mm
• Setpoint display: 4-digit, 7-segment red LED display, character
height of 9.3 mm (for both UT351 and UT321)
• Status indicating lamps: LEDs
Safety and EMC Standards
• Safety: Compliant with IEC1010-1: 1990 and EN61010-1:
11 - 12 - 13 )
1993+A2:1995
Approved by CSA1010
CSA1010 installation category (overvoltage category) :
CATII (IEC1010-1)
Approved by UL508
(UT321:Application for certification made)
• EMC standards: Complies with EN61326.
The instrument continues to operate at a measuring
accuracy of within 20% of the range during tests.
(UT321:To be obtained)
Construction, Installation, and Wiring
or less for
• Construction: Only the front panel is dust-proof and drip-proof
(protection class IP55)
For side-by-side close installation the controller loses its
dust-proof and drip-proof protection.
• Material: ABS resin and polycarbonate
• Case color: Black
• Weight: About 1 kg or less
• Dimensions:
UT351 96 (W) 96 (H) 100 (depth from panel face)
mm
0.1 C /10
UT321 48 (W) 96 (H) 100 (depth from panel face)
10 V DC for thermocouple, mV, or
mm
• Installation: Panel-mounting type. With top and bottom
mounting hardware (1 each)
• Panel cutout dimensions:
UT351 92 +0.8 (W) 92 +0.8 (H) mm
1.0 C (15 to 35 C)
0 0
UT321 45 +0.6 (W) 92 +0.8 (H) mm
0 0
• Installation position: Up to 30° upward facing
(not designed for facing downward)
• Wiring: M3.5 screw terminals (for signal wiring and power/
ground wiring as well)
Power Supply Specifications
14 - 15 ; 24 V DC: terminals 21 - 22 )
• Power supply: Rated voltage of 100 to 240 V AC ( 10%), 50/60 Hz
• Power consumption: Max. 20 VA (8.0 W max.)
• Internal fuse rating: 250 V AC, 1.6A time-lug fuse
• Data backup: Non-volatile memory (can be written to up to
100,000 times)
• Withstanding voltage
- Between primary terminals* and secondary terminals**:
At least 1500 V AC for 1 minute (Note)
- Between primary terminals* and grounding terminal:
At least 1500 V AC for 1 minute (Note)
- Between grounding terminal and secondary terminals**:
At least 1500 V AC for 1 minute
- Between secondary terminals**:
At least 500 V AC for 1 minute
* Primary terminals indicate power terminals and relay
output terminals
14 - 15 .
** Secondary terminals indicate analog I/O signal, voltage
- )
14 15
pulse output, and contact input terminals
Note: The withstanding voltage is specified as 2300 V AC
or less
per minute to provide a margin of safety.
0.3% of span under standard operating
• Insulation resistance: 20 M or more at 500 V DC between
2 C, 55 10% RH, power frequency of
power terminals and grounding terminal
• Grounding: Class 3 grounding (grounding resistance of 100
or less)
Signal Isolations
• PV input terminals: Isolated from other input/output terminals.
- ; Heating side:
16 17 Not isolated from the internal circuit.
16 - 17 ; Cooling side: terminals 14 - 15 ) • 15 V DC loop power supply terminals: Not isolated from 4-20
mA analog output and voltage pulse control output. Isolated
1 or 2 (two for heating/cooling type),
from other input/output terminals and internal circuit.
switched between a voltage pulse output
• 24 V DC loop power supply terminals: Isolated from the 15 V
and current output.
DC loop power supply terminals, 4-20 mA analog output
4-20 mA DC
terminals and voltage pulse control output terminals, other
I/O terminals and the internal circuitry.
600 or less
• 4-20 mA analog output terminals (for control output and
0.3% of span under standard operating retransmission): Not isolated between 4-20 mA outputs nor
conditions (23 2 C, 55 10% RH, from 15 V DC loop power supply and voltage pulse control
power frequency of 50/60 Hz)
output. Isolated from other input/output terminals and
internal circuit.
16 - 17 ; Heating • Voltage pulse control output terminals: Not isolated from 4-20
mA outputs and 15 V DC loop power supply. Isolated from
16 - 17 ; Cooling side: terminals 14 - 15 )
other input/output terminals and internal circuit.
1 or 2 (two for heating/cooling type), • Relay contact control output terminals: Isolated between contact
output terminals and from other input/output terminals and
internal circuit.
or more)
• Contact input terminals: Not isolated between contact input
Off-voltage = 0.1 V DC or less
terminals and from communication terminals. Isolated from
10 ms other input/output terminals and internal circuit.
• Relay contact alarm output terminals: Not isolated between
- - ; Heating relay contact alarm outputs. Isolated from other input/
1 2 3
output terminals and internal circuit.
1 - 2 - 3 ; Cooling side: terminals 4 - 7 )
• RS-485 communication terminals: Not isolated from contact
1 or 2 (two for heating/cooling type) input terminals. Isolated from other input/output terminals
and internal circuit.
Three terminals (NC, NO, and common) /
Two terminals • Power terminals: Isolated from other input/output terminals and
internal circuit.
Terminals - - :
1 2 3
• Grounding terminals: Isolated from other input/output terminals
250 V AC or 30 V DC, 3 A (resistance load)
and internal circuit.
Terminals 4 - 7 :
240 V AC or 30 V DC, 1A (resistance load)
10 ms Environmental Conditions
• Normal operating conditions:
Ambient temperature: 0 to 50 C (40 C or less for side-by-side
close installation)
When using the 24 V DC loop power supply of the UT321,
keep the operating ambient temperature between 0 C and
40 C.
Temperature change rate: 10 C/h or less
Ambient humidity: 20 to 90% RH (no condensation allowed)
Magnetic field: 400 A/m or less
Continuous vibration at 5 to 14 Hz: Full amplitude of 1.2 mm or
less
Continuous vibration at 14 to 150 Hz: 4.9 m/s 2 or less
Short-period vibration: 14.7 m/s 2 , 15 seconds or less
Shock: 147 m/s 2 or less, 11 ms
Installation height: Height above sea level of 2000 m or less
Warm-up time: 30 minutes or more after power on
• Transportation and storage conditions:
Temperature: -25 to 70 C
Temperature change rate: 20 C/h or less
Humidity: 5 to 95% RH (no condensation allowed)
• Effects of changes in operating conditions
- Effects from changes in ambient temperature:
- On voltage or thermocouple input, 1 V/ C or
of F.S./ C, whichever is larger
- On RTD input, 0.05 C / C (ambient temperature) or less
- On analog output, 0.05% of F.S./ C or less
- Effects from power supply fluctuation (within rated voltage
range)
- On analog input, 1 V/10 V or 0.01% of F.S./10 V,
whichever is larger
- On analog output, 0.05% of F.S./ 10 V or less
IM 05D01D12-01E (1)
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