Sampling rate Unit Value
Sampling rate current control kHz 16
Sampling rate speed control kHz 16
Sampling rate position control kHz 16
Tab. 5: Motor control
Tab. 5: Motor control
5.4.8 Specification of Real Time Clock
The real time clock is used to determine the timing of device status messages.
When the device is connected via fieldbus or Ethernet, clock synchronization is possible
via this interface.
Real time clock
Battery Lithium coin cell BR1225
Service life under standard conditions
(1)
> 6 years
Service life with clock synchronization Unlimited
Tab. 6: Specification of the real time clock
(1)
The device must be supplied with 24 V logic supply at least 50 % of the time. If this is not the case, the
service life decreases.
Tab. 6: Specification of the real time clock
Should the battery fail, the physical device functionality remains unaffected. The only
consequence is that the drive cannot determine the timing of new device status mes-
sages.
Note
A battery change may only be carried out by SIEB & MEYER or a repair shop approved
by SIEB & MEYER. Unauthorized opening of the device results in the loss of warranty!
23Drive Amplifier SD4B - Hardware Description
Drive Amplifier SD4B
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