Siemens SINAMICS G115D

Wiring the 24V power supply terminals for the glanded variant
The 󹪝gure shows an example of wiring the 24V power supply terminals for the daisy-chain
connection for the glanded variant of the converter:
Wall-mounted converter Motor-mounted converter
9SRZHUVXSSO\
,1
9SRZHUVXSSO\
287
;;
9SRZHUVXSSO\
287
9SRZHUVXSSO\
,1
;
;
Maximum current limit for daisy-chain connection
The maximum permissible number of daisy-chained converters depends on the maximum
current limit for daisy-chain connection. The table below gives the maximum current limits
dependent upon the cable cross-sections and surrounding air temperature:
IEC-compliant cable UL-compliant cable
Connector variant
1)
Glanded variant Connector variant
1)
Glanded variant
12A +12A @ 2.5mm
2
, 40 °C
12A + 12A@ 2.5mm
2
, 55 °C
12A+12A @ 13AWG, 40°C
8A+8A@ 13AWG, 55°C
8A+8A @ 13AWG, 40°C
8A+8A @ 13AWG, 45°C
6A+6A @ 13AWG, 48°C
1)
The values in the table above are valid when connecting with M12 L-coding connectors. If 7/8"
connectors are used, the maximum current limit is 8A+8A at 40°C and 6A+6Aat 55°C.
Further information
If you don't use daisy chain connection, cover the unused connectors with the optional
connector cover kit to maintain the IP rating of the system.
Connector cover kit (Page36)
Wiring
5.11Connecting the 24 V power supply
SINAMICS G115D Wall Mounted distributed drive
80 Operating Instructions, 07/2023, FW V4.7 SP14, A5E52808211A AA