Baumuller b maXX 5000 Series - Page 316

Electrical connections BM5030 with safety function
Instruction handbook b maXX 5000
Document No.: 5.09021.16 Baumüller Nürnberg GmbH
316
of 328
C.6
Power supply of
the
STO function
For the power supply of the STO function on connector X2 a 24 V power supply unit is
required, which corresponds with the SELV/PELV standards according EN 50178.
Voltage: 24V
DC
-15 %/+20 %
Inputs 
STO function
The inputs of connector X2 have been designed according IEC 61131. 
The input levels are as follows in case of 24 V DC power supply:
U
Hmax
= 30 V
U
Hmin
= 11 V
U
Lmax
= 5 V
U
Lmin
= -3 V
I
Hmax
= 15 mA
I
Hmin
= 2 mA
I
Lmin
= not determined
I
Lmax
= 15 mA
The maximum length of the cable is 30 m.
The safe inputs are designed for an operation with sensors providing OSSD outputs. The
maximum test
pulse length of 1 ms must not be exceeded.
Both inputs STO A and STO B are necessary for the safety function STO and must be
act
ivated separately. If both inputs are activated by one cable, the fault exclusion short-
circuit according IEC 61800-5-2 appendix D must be considered.
Outputs
BM5030-XX2X-...
Power rating per NO contact: Max. 30 V, max. 100 mA
The maximum cable length is 30 m.