Permanent Magnet Brake; Spring-Loaded Brake - Siemens SIMOTICS S-1FG1 Operating Instructions Manual

Description
3.6 Mounting and options
Table 3-7
Electrical
Component
F
K1
R2
3.6.4.4

Permanent magnet brake

The permanent-magnet brake is one type of holding brake.
The magnetic field of the permanent magnets exerts a pulling force on the armature disk of
the holding brake. This means that in the no-current condition, the brake is closed and the
motor shaft is held (closed-circuit principle).
When 24 V DC rated voltage is applied to the brake, the current-carrying coil produces an
opposing field. This neutralizes the force of the permanent magnets and the brake opens
without any residual torque.
For the technical data, see Chapter "Configuring guide" in Catalog D41.
3.6.4.5

Spring-loaded brake

The spring-loaded brake is another type of holding brake.
Principle of operation
The spring-loaded brake is an electromagnetic device that uses the force of an
electromagnetic field to release the braking effect created by the force of a compressed
spring (electromagnetically opening system).
It also works according to the closed-circuit principle.
For the technical data, see Chapter "Configuring guide" in Catalog D41.
44
Example: Electrical components for the suggested circuit
3RV10 miniature circuit breaker with
current paths connected in series
(possibly with mounted 3RV1901 aux‐
iliary contact to provide a feedback
signal to the drive)
3RH11 contactor relay
SIOVS14K30 varistor (EPCOS)
Examples
or 5SX21 miniature circuit breaker (possi‐
bly with mounted auxiliary contact to
provide a feedback signal to the drive).
or 3RT10 contactor
SIMOTICS S-1FG1 servo geared motor
Operating Instructions, 12/2022, A5E47360747B/RS-AC