Wiring
8.5 Connecting the supply voltage
S7-1500R/H redundant system
System Manual, 01/2024, A5E41814787-AF
267
Requirements
• Only wire the cable connector when the supply voltage is turned off.
• Follow the wiring rules (Page 265).
Tool-free connection of cables: multi-wire (stranded), with end sleeve or ultrasonic compressed
To connect a wire without tools, follow these steps:
1. Strip 8 to 11 mm of the wires.
2. Seal or crimp the wire with end sleeves.
3. Insert the cable into the push-in terminal as far as it will go.
4. Push the wired connector into the socket of the CPU.
Tools required
3 to 3.5 mm slotted-head screwdriver
Connection of wires: multi-wire (stranded), without end sleeve, unprocessed
To connect a wire without end sleeve, follow these steps:
1. Strip 8 to 11 mm of the wires.
2. Press the screwdriver into the spring release. Insert the cable into the push-in terminal as far
as it will go.
3. Pull the screwdriver out of the spring release.
4. Push the wired connector into the socket of the CPU.
Loosening a wire
To unplug a wire, follow these steps:
1. Push with the screwdriver as far as it will go into the spring release.
2. Remove the wire from the push-in terminal.
Uninstalling the connection plug
With the screwdriver, pry the connector out of the CPU.
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