Mitsubishi Electric MELSEC-A/QnA Series - Page 189

4 TEMPERATURE INPUT MODULE REPLACEMENT
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*1 Accuracy of the Q68RD3-G for each RTD type is as follows.
*2 Connect cables between the Q68RD3-G and RTD using a relay terminal block as shown below.
: Compatible, : Partial change required, ×: Incompatible
Q68RD3-G Compatibility Precautions for replacement
*2
Install a relay terminal block outside.
0.54A
0.20kg
Conversion accuracy Specifications
Pt100
-200 to 850°C
*1
±0.8°C (Ambient temperature: 25±5°C), ±2.4°C (Ambient temperature: 0 to 55°C)
-20 to 120°C
*1
±0.3°C (Ambient temperature: 25±5°C), ±1.1°C (Ambient temperature: 0 to 55°C)
0 to 200°C
*1
±0.4°C (Ambient temperature: 25±5°C), ±1.2°C (Ambient temperature: 0 to 55°C)
JPt100
-180 to 600°C
*1
±0.8°C (Ambient temperature: 25±5°C), ±2.4°C (Ambient temperature: 0 to 55°C)
-20 to 120°C
*1
±0.3°C (Ambient temperature: 25±5°C), ±1.1°C (Ambient temperature: 0 to 55°C)
0 to 200°C
*1
±0.4°C (Ambient temperature: 25±5°C), ±1.2°C (Ambient temperature: 0 to 55°C)
Ni100
-60 to 180°C
*1
±0.4°C (Ambient temperature: 25±5°C), ±1.2°C (Ambient temperature: 0 to 55°C)
Cable
Relay
terminal block
Cable
CH1
A
B
b
CH8
A
B
b
Connector
(A6CON4)
Q68RD3-G
CH1
A
B
b
CH8
A
B
b
A1
A2
B1
A19
B18
B19
Modulator
circuit
Modulator
circuit
Demodulator
circuit
Demodulator
circuit