Table of Contents
Advertisement
Brief instructions for startup The following table shows the procedure for placing the power supply
System Manual
C79000-B8576-C199-03
unit (PSU) in operation without changing the jumper setting:
Stage Description
1
Fit the PLC, allowing for clearances for access in the event of
repairs and for adequate ventilation. Observe chassis
grounding.
2
Fit the lithium battery in the battery compartment on the right
front of the power supply unit (ensure correct polarity).
3
Remove the right-hand fan subassembly, plug in the red
positive lead of its rechargeable battery and reinsert the fan.
4
Check that the voltage selector switch is set to your desired
voltage.
5
Connect the 24 V load voltage leads to the "Voltage Monitor"
terminals.
6
When connecting the AC leads, fit an isolating device to
isolate the power supply unit from the AC line voltage.
7
Connect the primary voltage leads and the protective
conductor.
8
Switch on the primary voltage and the 24 V load voltage.
9
Use the "Power" switch to switch on the power supply unit.
10
If the required basic load is in circuit, no red LED lights up
and the power supply unit is operational.
All activities relating to startup of the power supply units are
described in detail in the following.
Power Supply Units
4 - 27
4
- Quick Links:
- S5-135U/155U
Hide quick links:
Advertisement
Chapters
Table of Contents
