Siemens Sinamics G110M Getting Started page 40

Installation
3.2 System Installation
20. Fit Power Module onto the terminal housing
21. Connecting the 24 V external supply (glanded variant - but not
Note
Unswitched and switched power supply
The unswitched 24 V power supply (also known as non-switched) on X1.2 and X1.4 provides
power to the general electronics of the Control Unit. The switched 24 V power supply on
X1.1 and X1.5 supplies power for the two digital outputs (DI0 and DI1).
For a complete explanation of the unswitched and switched 24 V supplies and their
limitations, please read the FAQ at the following link:
Unswitched and switched 24 V supply
(http://support.automation.siemens.com/WW/view/en/26986267)
After the system installation has been completed, the external electrical connections can be
performed.
40
The Power Module is fitted on top of the terminal housing and
screwed in place with the four self-retaining screws.
Note:
Screws tightening torque: 2.0 Nm.
the AS-i variant)
1. Feed the two 4-core cables through the cable glands.
2. Connect each 4-core cable to the DC 24 V input and the
DC 24 V output.
3. Secure the cable cover to the CPI using the two screws.
4. Tighten the cable glands to secure the cables in place.
Notes:
• The terminals for the 24 V external supply both input and
output are as follows:
– 1 = +24V unswitched
– 2 = 0V unswitched
– 3 = +24V switched
– 4 = 0V switched
• Screws tightening torque: 1.5 Nm.
• The cable glands have a diameter of 20 mm
• Wiring dimensions:
– 0.25 ... 2.5 mm
2
– 0.25 ... 1.5 mm with isolated cable ends (ferrels).
2
Electrical Installation (Page 44)
without isolated cable ends (ferrels).
Getting Started, 01/2016, FW V4.7.6, A5E36100338B AD
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