■ General Specifications
Model
Unit classification
Compatible Racks
CJ-series Basic I/O Unit
CJ-series CPU Rack or
CJ1W-TS562
CJ-series Expansion Rack
Max. number of
Units
10 Units/Rack max.
RTD input unit
(This requires a CJ1G or CJ1H CPU)
Basic I/O area CIO0000 – 0999
(3, 4 or 6 words allocated in IO Table)
CPU Unit data area
for inputs
Insulation resistance
20 MΩ min. (at 500 V DC) between
input terminals and external AC
terminals (Power Supply Unit)
500 VAC 50/60 Hz for 1 min. (detection
current: 1 mA),
INSTRUCTION SHEET
Dielectric Strength
Thank you for purchasing an OMRON product. Read this
instruction sheet thoroughly and familiarise yourself with the
functions and characteristics of the product before using it.
To ensure safe and correct use of this Unit, also read the
Operation- and Programming Manuals for your CJ1 PLC system.
between Input terminals and external
AC terminals (Power Supply Unit)
250 mA max., 5 V DC,
Internal current
consumption
Dimensions
Weight
from the CJ1 I/O bus.
31 x 90 x 65 mm (W x H x D)
150 g max.
Other general specifications conform to
the CJ-series general specifications.
See Operation Manual W393.
Keep this instruction sheet for future reference.
Other
OMRON MANUFACTURING OF THE NETHERLANDS B.V.
OMRON Corporation 2004
All Rights Reserved
■ Unit Description
■ Characteristics
The CJ1W-TS562 is a 6-channel input unit for Pt100 and Pt1000
RTD’s. It can be installed in any CJ1-series PLC system.
It is classified as a basic I/O unit, occupying 48, 64 or 96 I/O points,
depending on the number of activated inputs.
Temperature Sensor
Number of inputs
Pt100 or Pt1000 (IEC 60751)
1 to 6
Measurement range
Pt100:
-200.0 to +650.0 °C
Pt1000: -200.0 to +650.0 °C
0.1 °C
Always verify that the maximum I/O capacity of the CJ1 CPU is
sufficient for the number of required I/O points.
Indication resolution
Leadwire
Automatic, measured on B’ terminals,
updates one sensor in each scan cycle.
16-bit signed integer in units of 0.1 °C:
#F830 = -200.0 °C, #1964 = +650.0 °C
± 0.5 % of indicated value or ± 0.8 °C
(whichever is larger) ± 1 digit max.
when using 3-wire connection.
compensation
Temperature value
Data representation
Indication accuracy
over full operational
range (0 – 55 °C
ambient temperature)
Input response time
(per active input)
■ Nomenclature
Unit status indicators
•
•
RUN
ERC
(green)
(red)
40 ms (100 Hz suppression)
67 ms (60 Hz suppression)
80 ms (50 Hz suppression)
400 ms (50+60 Hz suppression)
[number of active inputs + 1] x [input
response time] + 40 ms
Sensor error indicators
1 - 6 (red)
•
Input update cycle
time (all active inputs)
I/O refresh time
(influence on PLC
cycle time)
Removable Terminal Block
•
Connections for
1-3 inputs (48pt mode): 0.008 ms
RTDs 1 through 6
4
inputs (64pt mode): 0.011 ms
5-6 inputs (96pt mode): 0.016 ms
DIP switches
(remove terminal block for access)
•
•
•
Select input types (Pt100/Pt1000)
Select filter functions
■ LED indicators
Select number of active inputs (1-6)
Name
State Description
Terminal Block latch
RUN
OFF
Fatal error or no power supply.
•
•
Slide down to remove
Slide up to lock
(Green)
• Check the host PLC’s CPU status, and the
status of other I/O units. If all other units
function normally, replace the Unit
Unit functions normally.
ON
■ Wiring
ERC
No fatal errors.
OFF
ON
(Red)
Incorrect DIP switch setting
•
Use the same length and type of leadwire for each RTD’s
Fatal error in the Unit.
terminals A, B, and B’, so that the leadwire impedances will be
the same. 2-wire connection can be used by shorting B-B’, but
the specified indication accuracy cannot be guaranteed.
• Check the CPU unit for error codes.
• Re-start the PLC system.
• If the ERC LED is still lit, replace the unit.
• Measurement of the corresponding channel is
within range, or
•
•
For activated but unused inputs, short-circuit the A–B and B–B’
terminals, to prevent unstable readout on the other inputs.
Sensor
Error
OFF
1 – 6
• Channel has been deactivated by DIP switch
Keep the input wiring away from power lines including AC power
supply lines and high-power lines. Do not run the I/O lines in the
same duct or conduit as power lines.
(Red)
settings
ON
• Measured temperature out-of-range, or
• RTD broken wire or short circuit
•
•
The input circuits are galvanically isolated from the PLC’s I/O bus,
but there is no galvanic isolation between individual inputs. All B’
terminals are interconnected in the unit.
All ON Calibration data not found or incorrect. The Unit
should be returned to OMRON for calibration.
Always ground the
terminal on the Power Supply Unit of the
PLC. In case of shielded sensor wiring, connect the shields to the
same grounding point as the PLC.
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