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4 Programming
4.11 Model Code
FX
3G
/FX
3U
/FX
3UC
PLC User's Manual - Analog Control Edition
FX
3U
-3A-ADP (2-channel analog Input, 1-channel analog output)
4.11 Model Code
Initial value: K50
Numeric data type: Decimal (K)
When the 3A-ADP is connected, model code "50" is stored in the corresponding special data register.
The following table shows the special data registers that store the model code:
•FX
3U, FX3UC Series PLC
•FX
3G Series PLC
Use the special data registers above to check whether a 3A-ADP is connected or not.
1. Program Example (FX3U, FX3UC Series PLC)
Special auxiliary relay
Description
1st 2nd 3rd 4th
D8269 D8279 D8289 D8299 Model code
Special data register
Description
1st 2nd
D8289 D8299 Model code
Checks the model code of the 1st
analog special adapter
FNC224
LD =
D8289
K50
Y007