Siemens Sinamics V90 Operating Instructions Manual page 171

Motor holding brake interface - drive side (for 400 V variant servo drive only)
Maximum conductor cross-section: 1.5 mm
Input voltage tolerance: 24 V ± 10%
Motor holding brake connector - motor side
Low inertia motor, shaft-height: 20 mm, 30 mm and 40 mm
Low inertia motor, shaft-height: 50 mm
High inertia motor, shaft-height: 45 mm, 65 mm, and 90 mm
Straight connectors:
Angular connectors:
Signal status
The following table describes the states of various interfaces and components when the
brake works.
● 200 V variant
● 400 V variant
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 04/2019, A5E36037884-007
Illustration Signal
Illustration Pin No.
Status MBR (DO)
Brake en- High level (1)
gagement
Brake release Low level (0)
Status MBR (DO)
Brake engage- High level (1)
ment
Brake release Low level (0)
B+ 24 V, motor brake voltage positive
B- 0 V, motor brake voltage negative
2
Signal
1 Brake+ Phase Brake+
2 Brake- Phase Brake-
1 Brake+ Phase Brake+
2 Brake- Phase Brake-
Brake control Relay
(Brake)
Brake off Without cur-
rent
Brake on With current
Brake control
(B+, B-)
0 V
24 V
4.7 Motor holding brake
Description
Description
Motor brake Motor shaft
function
Opened Cannot run
Closed Can run
Motor brake func- Motor shaft
tion
Opened Cannot run
Closed Can run
Connecting
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