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4 Programming
4.4 Input sensor selection
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
FX3U-4AD-PNK-ADP (4-channel Resistance Thermometer Data Input)
4.4 Input sensor selection
Turn on the Pt1000 type or off the Ni1000 type selection special auxiliary relay to select the Pt1000 or Ni1000
for PNK-ADP.
The input sensor type will be selected for all the channels at the same time.
To select the input sensor type, use the following special auxiliary relays:
•FX
3U, FX3UC Series PLC
•FX
3G Series PLC
1. Program Example (For FX3U, FX3UC Series PLC)
Special auxiliary relay
Description
1st 2nd 3rd 4th
M8261 M8271 M8281 M8291
Input sensor selection:
OFF: Pt1000
ON: Ni1000
Special auxiliary relay
Description
1st 2nd
M8281 M8291
Input sensor selection:
OFF: Pt1000
ON: Ni1000
1) To select Pt1000 for the 1st adapter:
M8001
M8261
Normally OFF
2)To select Ni1000 for the 2nd adapter :
M8000
M8271
Normally ON