3 - 2 RS-232C Serial Communications
3-3
3
Connecting to Siemens PLCs
3 - 2 RS-232C Serial Communications
This section provides a description and example of connection to a Siemens Standard PLC.
Freeport protocol communications are used for connection with a Siemens Standard PLC.
3 - 2 - 1 Communications Format
Refer to Section 7 Communications with a Standard PLC Using an Option Board of the
G9SP Series Safety Controller Operation Manual (Cat. No. Z922).
3 - 2 - 2 Application Example
System Configuration
This section uses the following example to describe how to access a G9SP-series Controller
by performing serial communications through a RS-232C Serial Communications
Board (CP1W-CIF01) from a Siemens Standard PLC.
S7-200 series PLC
RS-232
Option Board
Note: This example uses the following Siemens Standard PLC.
Product Model/version
CPU Unit (Standard PLC) S7-200 CPU 224XP
Support Software (for setup and
creating ladder programs)
STEP 7-Micro/WIN V4.0.5.08
G9SP-series Controller Settings
Settings are not required. Make the communications settings in the Siemens Standard PLC
to match the serial communications specifications of the G9SP-series Controller.
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