Selection Of Temperature Unit - Mitsubishi Electric FX3G User Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U
FX -4AD-PNK-ADP (4-channel Resistance Thermometer Data Input)
3U
4.3

Selection of Temperature Unit

The state of special auxiliary relays decides the PNK-ADP's temperature unit as shown in the table below.
To switch the temperature unit, use the following special auxiliary relays:
• FX Series PLC
3S
Special auxiliary relay
M8280
• FX /FX
3G 3GC
Special auxiliary relay
1st
M8280
• FX /FX
3U 3UC
1st
M8260
1. Program Example (For FX
1)To switch the temperature unit to
centigrade (C) for the 1st adapter:
M8001
Normally OFF
K-20
PLC User's Manual - Analog Control Edition
3UC
Selection of temperature unit:
OFF: Centigrade ( ° C)
ON: Fahrenheit ( ° F)
Series PLC
2nd
Selection of temperature unit:
OFF: Centigrade ( ° C)
M8290
ON: Fahrenheit ( ° F)
Series PLC
Special auxiliary relay
2nd 3rd
M8270 M8280
/FX
3U 3UC
M8260
Description
Description
4th
Selection of temperature unit:
OFF: Centigrade ( ° C)
M8290
ON: Fahrenheit ( ° F)
Series PLC)
2) To switch the temperature unit to
Fahrenheit (F) for the 2nd adapter:
M8000
Normally ON
4 Programming
4.3 Selection of Temperature Unit
Description
M8270