Siemens 6ES7647-0BA00-1YA2 - Connecting the Power Supply

Installing and connecting the device
3.3 Connecting the device
SIMATIC IOT2050
26 Operating Instructions, 03/2020, A5E39456816-AA
Requirement
● T20 screwdriver
● Cable lug for M4
● Function earth with minimum cross-section of 2.5 mm
2
copper cable
Procedure
Clamp the cable lug on the function earth.
Firmly attach the cable lug to the function earth
connection
on the device using the M4 thread with the torque of 1 Nm
(see part labeled).
C
onnect the function earth to the protective conductor con-
nection of the cabinet or the plant in which the device is in-
stalled.
3.3.3 Connecting the power supply
Note
The device should only be connected to a 12 to 24 V DC power supply which meets the
requirements of safe extra low voltage (SELV) according to IEC/EN/DIN EN/UL 61010
-1.
Note
The power supply m
ust be adapted to the input data of the device, see chapter "General
technical specifications
(Page 48)".
If there are voltage peaks on power supply li
nes, use a protective device in the form of a
varistor (MOV) UMOV = U
-rated x 1.2 (BLITZDUCTOR BVT AVD 24 (918 422) or
compatible).