Technical Manual N5 (CANopen)
7 Special functions
For information on the interaction of the brake with the motor stopping behavior, see also chapter
Power State machine – halt motion reactions.
7.2.2 Activation and connection
The brake can be controlled either automatically or manually:
•
Automatic: Setting bit 2 of object 3202
h
to "1" activates the brake control.
•
Manual: Setting bit 2 of object 3202
to "0" deactivates the brake control; the brake can now be
controlled with bit 0 in object 60FE
h
:01
h
.
Connection
The brake output is located on connector X4 (see chapter Connector X4 – brake connection)
7.2.3 Brake control
The following graphic shows the states of the CiA 402 Power State Machine together with the states
of the brake for the automatic mode.
Error occurs
Low-level power
voltage switched on for controller
High-level voltage can be switched on
High-level power
voltage switched on for controller
High-level voltage switched on
No torque at motor
Torque
voltage switched on for controller
High-level voltage switched on
Software cannot
rectify error
Start
Switch on
disabled
Ready to
switch on
Switched on
Operation
enabled
Quick stop
active
Fault reaction
active
Not ready to
switch on
1
Status brake
open
Status brake
closed
Fault
2
2
2
2
2
The following steps are performed on the transition, which is marked with 1:
1. The motor current is switched on.
2. The time stored in 2038
h
:3
h
is allowed to elapse.
3. The brake releases.
4. The time stored in 2038
h
:4
h
is allowed to elapse.
5. The Operation enabled state is reached, the motor controller can perform travel commands.
The following steps are performed on all transitions that are marked with 2:
Version: 2.0.1 / FIR-v1650
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