Control And Status Byte; Table 15: Process Image ("Standard") In 1-Channel Mode; Table 16: Process Image ("Extended") In 1-Channel Mode; Table 17: Control Byte - WAGO 750 Series Manual

34 Process Image

Table 15: Process Image ("Standard") in 1-Channel Mode

Byte 0
Byte 1
Byte 2
Byte 3
1) Ix_D0 = Process value low byte from input x
Ix_D1 = Process value high byte from input x

Table 16: Process Image ("Extended") in 1-Channel Mode

Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
1) Ix_Sx = Status byte x from input x
Ix_D0 = Process value low byte from input x
Ix_D1 = Process value high byte from input x
2) Ix_Cx = Control byte x from input x
4.2

Control and Status Byte

Control and status bytes are implemented identically for all inputs. Therefore, the
following description in this section applies to all control and status bytes of the I/O
module.

Table 17: Control Byte

Bit 7
RegCom = 0
RegCom = 1
RegCom
0/1
-
Manual
Version 1.0.0
Input 1)
Status byte I1_S0
Process value I1_D0
Process value I1_D1
Status byte I2_S1
Process value I2_D0
Process value I2_D1
Bit 6 Bit 5
- -
0/1
Register communication
0: Switch register communication off
1: Switch register communication on
Reserved
Not used
750-1491 2AI Resistor Bridge (Strain Gauge)
Process Image
Input 1)
Process value I1_D0
Process value I1_D1
Process value I2_D0
Process value I2_D1
Process Image
Byte 0 Control byte I1_C0
Byte 1 Reserved
Byte 2 Reserved
Byte 3 Control byte I2_C1
Byte 4 Reserved
Byte 5 Reserved
Control Byte
Bit 4 Bit 3
- -
Register number
WAGO I/O System 750
Output 2)
Bit 2 Bit 1 Bit 0
- - -