Connecting The Power Supply - Siemens SIMOTION D4 5-2 Series Commissioning And Hardware Installation Manual

Protection against external electrical interference
The table below shows how you must protect your system against electrical interference or
faults.
Table 3- 2
For ...
All plant or systems in which the
component is installed
Supply, signal, and bus lines
Signal and bus lines
Additional references
The same installation instructions apply for the SIMOTION D4x5-2/CX32-2 control units as
for the SINAMICS S120 CU320-2 control units with regard to EMC.
See the SINAMICS manuals.
3.4.4

Connecting the power supply

Wiring the screw-type terminal block
The required 24 VDC load power supply is connected to the screw-type terminal block. The
terminal block must be screwed on tightly using a flat-bladed screwdriver.
The 24 VDC should be configured as functional extra-low voltage with safe isolation.
Supply system lines
Use flexible cables with a cross section of 0.25 to 2.5 mm
the power supply.
If you only use one wire per connection, a ferrule is not required.
You can use ferrules without an insulating collar in accordance with DIN 46228, Form A long
version.
Pin assignments
For the pin assignment of the screw-type terminal block, see the
SIMOTION D4x5-2
Commissioning and Hardware Installation Manual, 02/2012
External electrical phenomena
DANGER
Requirement
The plant or system is connected to a protective
conductor for the discharge of electromagnetic
interference.
The wiring arrangement and installation complies with
EMC regulations.
A cable or wire break cannot lead to undefined states in
the plant or system.
(or AWG 23 to AWG 13) for wiring
2
Connecting
3.4 Power supply
SIMOTION D4x5-2
Manual.
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