Temperature Measurement - Mitsubishi Electric MELSEC-FX3S Series Manual

FX /FX /FX /FX /FX
3S 3G 3GC 3U
FX -4AD-PNK-ADP (4-channel Resistance Thermometer Data Input)
3U
4.5

Temperature Measurement

The temperature data input in the PNK-ADP will be stored in the special data registers.
The special data registers that store the temperature data are shown in the following table:
• FX Series PLC
3S
Special data register
D8280
D8281
D8282
D8283
• FX /FX
3G 3GC
Special data register
1st
D8280
D8281
D8282
D8283
• FX /FX
3U 3UC
1st
D8260
D8261
D8262
D8263
The immediate data or the average data (data averaged in accordance with the specified averaging time) will
be stored in the above data registers as the temperature measurement data.
1. Caution regarding temperature measurement
The temperature measurement data are for reading only.
Do not change (rewrite) the current data using the sequence program, indicator, or device monitor of the
programming tool.
2. Program Example (For FX
M8000
Normally
ON
Even if the temperature measurement data is not stored in D100 or D101, data registers D8260 or D8261 can
be directly used in the arithmetic operation instruction or a PID instruction.
K-22
PLC User's Manual - Analog Control Edition
3UC
Stores the channel-1 temperature measurement data.
Stores the channel-2 temperature measurement data.
Stores the channel-3 temperature measurement data.
Stores the channel-4 temperature measurement data.
Series PLC
2nd
D8290 Stores the channel-1 temperature measurement data.
D8291 Stores the channel-2 temperature measurement data.
D8292 Stores the channel-3 temperature measurement data.
D8293 Stores the channel-4 temperature measurement data.
Series PLC
Special data register
2nd 3rd
D8270 D8280
D8271 D8281
D8272 D8282
D8273 D8283
→ For a detailed description of the averaging time, refer to Section 4.6.
/FX
3U 3UC
FNC 12
D8260
MOV
FNC 12
D8261
MOV
Description
Description
4th
D8290 Stores the channel-1 temperature measurement data.
D8291 Stores the channel-2 temperature measurement data.
D8292 Stores the channel-3 temperature measurement data.
D8293 Stores the channel-4 temperature measurement data.
Series PLC)
Stores the channel-1 temperature measurement data
D100
of the 1st analog special adapter in the D100.
Stores the channel-2 temperature measurement data
D101
of the 1st analog special adapter in the D101.
4 Programming
4.5 Temperature Measurement
Description