Selection Of Temperature Unit - Mitsubishi Electric MELSEC-FX3S Series Manual

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

Selection of Temperature Unit

To switch the temperature unit of the PT-ADP turn the special auxiliary relay ON for Fahrenheit (°F) or OFF
for Centigrade (°C).
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
I-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:
M8290 OFF: Centigrade (°C)
ON: Fahrenheit (°F)
Series PLC
Special auxiliary relay
2nd 3rd
M8270 M8280
/FX
3U 3UC
M8260
Description
Description
4th
Selection of temperature unit:
M8290 OFF: Centigrade (°C)
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