Connecting The 24 Vdc Power Supply - Siemens SIMATIC IPC477E PRO Operating Instructions Manual

Mounting and connecting the HMI device
4.4 Connecting the device
4.4.2.3

Connecting the 24 VDC 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 that meets the
• The supplying source must be fused for a power rating < 240 VA; recommended fuse
Note
The 24 V DC power supply must be adapted to the input data of the device (see technical
specifications).
Requirements
● The device is installed.
● The protective conductor is connected.
● The connection terminal is wired.
● The corresponding 24 V DC power supply is switched off.
● A two-core cable with a cable cross-section of ≥ 0.5 mm
● A slotted screwdriver with approx. 3 mm blade.
48
WARNING
requirements of a safe extra-low voltage (SELV) according to IEC/EN/DIN
EN/UL 60950-1.
rating ≤ 8 A.
for the 24 V DC connection.
2
SIMATIC IPC477E PRO
Operating Instructions, 08/2017, A5E39912462-AA