Wiring the S7-400
4-22
Automation System S7-400 Hardware and Installation
A5E00850741-01
4.13 Wiring the Signal Modules
Procedure
How to c onnect 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 w ith screw terminals
• Front connector w ith s pring loaded terminals.
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