48 V DC circuit

1) Component recommended by Beckhoff with EN certification.
2) Leads to self-locking of the movers according to the armature short circuit principle.

Position

Function

2

Primary fuse protection
For the recommended power supply:
3-pole 16 A circuit breaker with B characteristic, Siemens 5SY4316-61)

3

Contactor switch-off
Primary-side contactor switch-off2), Siemens 3RT2016-2BB421) and Siemens 3RT2916-1CB001)

4

Grounding
Control cabinet grounding

6

Power supply
3-phase 48 V power supply with sufficient power according to the number of connected modules, Beckhoff PS3011-4820-00001) Direct link or Beckhoff PS3031-4820-00001) Direct link

7

Buffer module (optional)
48 V buffer module, Beckhoff PS9031-4820-00011) Direct link

8, 9

Braking resistor
Brake chopper terminal, Beckhoff EL95761) Direct link with external braking resistor, Beckhoff ZB81101) Direct link

12

Fuse protection for parallel connection of the power supplies
32 A circuit breaker with B characteristic, Siemens 5SY4132-61)

13

Secondary fuse protection to the brake chopper terminal
4 A circuit breaker with C characteristic, Siemens 5SY4104-71)

14

Secondary fuse protection for the XTS
16 A circuit breaker with B characteristic, Siemens 5SY4116-61)

16, 17

Contactor switch-off
2-channel, secondary-side contactor switch-off2), Siemens 3RT2526-2BB401) and Siemens 3RT2926-1ER001)

18

XTS motor module
Module with infeed AT20x1-02501), AT2x02-0xxx1) or AT2026-02501)