Wiring The Signal Modules - Siemens SIMATIC S7-400 Installation Manual

Wiring the S7-400
4.13

Wiring the Signal Modules

Procedure
How to connect your sensors and actuators to the S7-400 signal modules:
1. Wire the front connector.
This includes all incoming and outgoing connections of the sensorsan actuators.
2. Install the front connector on the module.
The Three Types of Front Connector
Three types of front connector are available for the S7-400 signal modules:
• Front connector with crimp terminals
• Front connector with screw terminals
• Front connector with spring loaded terminals.
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Automation System S7-400 Hardware and Installation
A5E00850741-01