Constant Registers; Live Register - WAGO 750-8207 Manual

316 MODBUS – e!RUNTIME
11.2.6

Constant Registers

Registers 0xFAA0 ... 0xFAA2 provide constants based on the "WAGO MODBUS
Registers" table. It is possible to read all of the constants, or a consecutive
portion of them at once.
0xFAA0 = 0x1234,
0xFAA1 = 0xAAAA,
0xFAA2 = 0x5555
11.2.7

Live Register

The register 0xFAFA can only be read and contains a counter that is incremented
with each cycle of a task of the runtime environment with read and write access
to the MODBUS process data.
Manual
Draft version 1.2.1 from 2017-09-13, valid from FW Version 02.06.20(09)
WAGO-I/O-SYSTEM 750
750-8207 PFC200 CS 2ETH RS 3G