Common MODBUS functions • 301
Special PFC Register (only for controller 750-842)
Modular I/O System
ETHERNET TCP/IP
6.2.17 Special PFC Register (only for controller 750-842)
The following register is only significant for the fieldbus controller. The PFC
register is used as an interface for WAGO-I/O-PRO, i.e. for debugging pur-
poses:
Register address 0x1040
Designation
Process data communication channel
Access
read / write
Description