Procedure
1. Strip insulation from the wires.
2. Insert the screwdriver into the upper (square) opening of the terminal and press it into the
opening.
3. Insert the wire into the lower (round) opening of the terminal to the end stop.
4. Remove the screwdriver.
Table 5-7
Wiring the spring terminal
Insert screwdriver
Insert cable up to stop in spring-type terminal
Pull out screwdriver; cable clamps to contact
5.4.4
Grounding the mounting rail
Properties
The DIN rail of the distributed I/O station must be connected to the ground bus (equipotential
bonding).
Requirements
● Perform the wiring with the power supply turned off .
● Securing the ground cable to the Ex e grounding bolt of the mounting rail
● To avoid any interference, the cross-section of the grounding conductor for the mounting
rail must be greater than the cross-section of the grounding conductor on the terminal
module TM-PS-A/ TM-PS-A UC or TM-PS-B/ TM-PS-B UC.
Wiring
5.4 Wiring the ET 200iSP
ET 200iSP
Operating Instructions, 11/2017, A5E00247483-07
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