Connecting
4.7 Motor holding brake
SINAMICS V90, SIMOTICS S-1FL6
172
Operating Instructions, 04/2019, A5E36037884-007
Relay (R) used for the power supply of the brake
Siemens recommends you to select a Siemens relay (article number: 3RQ3018-2AB00).
You can find more information about Siemens relays from Chapter 05 of Catalog IC 10 -
SIRIUS 2016 at the following Web site:
Siemens relays
(
http://w3app.siemens.com/mcms/infocenter/content/en/Pages/order_form.aspx?nodeKey=k
ey_517764&infotype=catalogs
)
You can also select other high quality relays from manufacturers such as Omron (article
number: G2R-1A-E-DC24V) .
Wiring for the 400 V variant servo drive
Relevant parameters
No.
Unit
Range
Default
Description
p1215
-
0 to 3
0
Configuration of the holding brake.
•
0: No holding brake available
•
1: Motor holding brake according to
sequence control (SON)
•
2: Motor holding brake always open
•
3: SIEMENS internal use
p1216
ms
0 to 10000 Motor depend-
ent
Motor holding brake opening time.
p1217
ms
0 to 10000 Motor depend-
ent
Motor holding brake closing time.
You can configure the holding brake with the parameter p1215 according to the actual
application. When you set p1215=1, the motor holding brake is open once the digital input
signal SON has a rising edge and becomes closed once a falling edge comes to SON.
If the servo motor is used to control a vertical axis, the machine movable part can have a
slight shift when the holding brake becomes open or closed simultaneously with the action of
SON. To eliminate such slight shift, you can configure a delay time for the close or open time
of the motor holding brake by setting the parameters p1216 and p1217.
Note
The default values of p1216 and p1217 depend on the rated power of the motor which
connects to the servo drive.
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