Control And Status Bytes For Register Communication; Table 59: Register 40; Table 60: Register 47; Table 61: Control Byte C0 For Register Communication - WAGO -I/O-SYSTEM 750 Manual

82 Commissioning

Table 59: Register 40

Register
40
16-bit unsigned integer
Gain for calibration of the 1000 Ohm reference resistance at a resolution of
1/16384.

Table 60: Register 47

Register
47
Bit 0: Number of channels
*)
0 4 channels
1 2 channels
Bit 1 ... 7: reserved
*)
0 These bits are reserved and may not be changed.
Bit 8, 9: Interference frequency suppression
*)
0 50 Hz
1 60 Hz
2 50/60 Hz
3 Illegal
Bit 10 ... 15: reserved
*)
0 These bits are reserved and may not be changed.
*)
Default settings
7.1.2

Control and Status Bytes for Register Communication

The following tables show the assignment of the control and status bytes for
register communication.
With the bits 0 ... 5 and 7 in the respective status byte, the register
communication is acknowledged by the I/O module.

Table 61: Control Byte C0 for Register Communication

Bit 7
Reg_Com
Register number Register number of the selected function (cf. "Register Assignment" section)
R/W
Reg_Com
Manual
Version 1.1.0
Function
User calibration
Gain
Function
Advanced settings
Bit 6 Bit 5 Bit 4
R/W
0: Read access
1: Write access
1: Register Communication
WAGO-I/O-SYSTEM 750
750-464 2/4 AI RTD configurable
Memory Access
EEPROM R/W
Memory Access
EEPROM R/W
Bit 3 Bit 2
Register number
Default settings
0x4000
Default settings
0x0000
Bit 1 Bit 0