Mitsubishi FX3U-4AD User Manual page 330

FX /FX /FX PLC User's Manual - Analog Control Edition
3G 3U 3UC
FX -4AD-PT-ADP (4-channel Platinum Resistance Thermometer Data Input)
3U
• FX Series PLC
3G
Special device
Special auxiliary relay
Special data register
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 , FX
3U 3UC
1st
M8260
• FX Series PLC
3G
Special auxiliary relay
1st
M8280
1. Program Example (For FX
1) To switch the temperature unit to centigrade (°C)
for the 1st adapter:
M8001
Normally OFF
H-18
Device number
1st 2nd
M8280 M8290
M8281 to M8291 to
M8289 M8299
D8280 D8290
D8281 D8291
D8282 D8292
D8283 D8293
D8284 D8294
D8285 D8295
D8286 D8296
D8287 D8297
D8288 D8298
D8289 D8299
Series PLC
Special auxiliary relay
2nd 3rd
M8270 M8280
2nd
Selection of temperature unit:
M8290 OFF: Centigrade (°C)
ON: Fahrenheit (°F)
, FX
3U 3UC
M8260
Description
Selects the temperature unit.
Unused (Do not use.)
Channel-1 temperature
measurement data
Channel-2 temperature
measurement data
Channel-3 temperature
measurement data
Channel-4 temperature
measurement data
Averaging time for channel 1
(Setting range: 1 to 4095)
Averaging time for channel 2
(Setting range: 1 to 4095)
Averaging time for channel 3
(Setting range: 1 to 4095)
Averaging time for channel 4
(Setting range: 1 to 4095)
Error status
Model code = 20
4th
Selection of temperature unit:
M8290 OFF: Centigrade (°C)
ON: Fahrenheit (°F)
Description
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
R: Read / W: Write
Attribute Reference
R/W Section 4.3
- -
R
R
Section 4.4
R
R
R/W
R/W
Section 4.5
R/W
R/W
R/W Section 4.6
R Section 4.7
Description
M8270