Technical data

266 • I/O Modules

Process Data Architecture for MODBUS/TCP

WAGO-I/O-SYSTEM 750

BACnet/IP Controller

Serial Interface Modules with Standard Data Format

750-650/000-001, -014, -015, -016

750-651/000-001

750-653/000-001, -006

The above Serial Interface Modules with Standard Data Format have a total of

6 bytes of user data in both the Input and Output Process Image (5 bytes of se-

rial data and 1 byte of control/status). The following table illustrates the Input

and Output Process Image, which have a total of 3 words mapped into each

image. Word alignment is applied.

Input and Output Process Image

Byte Destination

Offset

High Byte Low Byte

Remark

0 D0 C/S Data byte Control/Status byte

1 D2 D1

2 D4 D3

Data bytes

Data Exchange Module

750-654, (and the variation /000-001)

The Data Exchange modules have a total of 4 bytes of user data in both the

Input and Output Process Image. The following tables illustrate the Input and

Output Process Image, which has a total of 2 words mapped into each image.

Word alignment is applied.