Siemens SIMATIC IPC277D

Installing and connecting the device
3.3 Connecting the device
SIMATIC IPC277D
Operating Instructions, 12/2016, A5E03409486-AE
47
3.3.4
Connecting the power supply to the 12", 15 and 19" devices
Please note the following:
Note
The device should only be connected to a 24 VDC power supply which meets the
requirements of safe extra low voltage (SELV) according to IEC/EN/DIN EN/UL 60950
-1.
The power
supply must meet the requirement NEC Class 2 or LPS according to the
IEC/EN/DIN EN/UL 60950
-1.
Note
The 24 VDC power supply must be adapted to the input data of the device (see the technical
specifications in the operating instructions).
Requirement
● The protective conductor is connected.
● You are using the connection terminal supplied.
● A two-core cable with a cable cross-section of 0.75 mm
2
to 2.5 mm
2
for the 24 VDC
connection.
● A slotted screwdriver with approx. 3 mm blade.