Industrial Automation Magazine India

CJ-series Special I/O Unit

CJ-series CPU Rack or CJ-series Expansion Rack

10 Units/Rack max. (CPU Rack or Expansion Rack)

Special I/O Unit Area
(960 words)
CIO 2000 to CIO 2959

20 words/Unit for
constant data
exchange (6 output
words and 14
input words)

CPU Unit to
Temperature
Control Unit

Set point (SP)
Operating commands
RUN/STOP control
Start/Stop AT
Write commands
Heater burnout set value

Temperature
Control Unit
to CPU Unit

Process value (PV)
Set point (SP)
Status
Heater current monitor

DM words allocated to
Special I/O Units
(9,600 words)
D20000 to D29599

10 words/Unit
transferred when
power is turned ON or
Unit is restarted

CPU Unit to
Temperature
Control Unit

Alarm mode
Alarm hysteresis

90 words/Unit for regular
data exchange

Two-way
transfer
between CPU
Unit and
Temperature
Control Unit

Alarm value
Input compensation value
Control period
Hysteresis
Proportional band
Integral time
Derivative time
Output monitor

20 M Ω min. (at 500 VDC) between the following points:
All output and NC terminals and external AC terminals (Power Supply Unit)
All input terminals and external AC terminals (Power Supply Unit)
All input terminals and all output terminals
All external DC terminals (inputs, outputs, and NC) and the FG plate
Between input terminals (sensor and CT inputs)
I/O terminals and NC terminals

2,000 VAC 50/60 Hz for 1 min., detected current: 1 mA
The output terminals/NC terminals and external AC terminals (Power Supply Unit)
1,000 VAC 50/60 Hz for 1 min., detected current: 1 mA
Input terminals and external AC terminals (Power Supply Unit)
Input terminals and output terminals
External DC terminals (inputs, outputs, and NC) and the FG plate
500 VAC 50/60 Hz for 1 min., detected current: 1 mA
Between input terminals (sensor and CT inputs)
I/O terminals and NC terminals

250 mA max., 5 VDC

Other general specifications conform to the CJ-series general specifications.

31 × 90 × 65 mm (W × H × D)

150 g max.