Connecting The 24 V Dc Power Supply - Siemens SIMATIC IPC277G PRO Operating Instructions Manual

Closing the terminal compartment cover
1. Check that the seal is properly seated on the terminal compartment cover.
Note
IP65 degree of protection at risk
If the seal on the terminal compartment cover is damaged, IP65 degree of protection is at
risk. The device must be repaired. Proceed as described in the section Repair information
(Page 63).
2. Place the terminal compartment cover on the backplane cover. Make sure that no cables are
crimped.
Secure the terminal compartment cover from falling down.
Note
Do not exceed the permissible torque
If you tighten up the M4x16 screws with a torque of > 1.5 Nm, you may damage the
threading in the enclosure.
3. Tighten the M4x16 screws of the terminal compartment cover using a maximum torque of
1.5 Nm.
3.4.2.2

Connecting the 24 V DC power supply

Electric shock and risk of fire
Voltages that exceed an extra-low voltage can cause electric shock or fire. Death or serious
bodily injury can result.
• The device may only be connected to a 24 V DC power supply which meets the
The device has reverse polarity protection.
Note
The 24 V DC power supply must be adapted to the input data of the device (see the section
"Technical specifications (Page 79)").
Requirements
• The device is installed.
• The protective conductor is connected.
SIMATIC IPC277G PRO
Operating Instructions, 02/2022, A5E51373692-AA
WARNING
requirements of a safe extra-low voltage (SELV/PELV) in accordance with the standard
IEC/EN/DIN EN/UL 61010-2-201.
Installing and connecting the device
3.4 Connecting the device
39