20/72
Hägglunds Fusion Drive system
| Scope of delivery
Bosch Rexroth AB, RE 15345-WA Version 11.2022,
5.6 Drive system monitoring
The following function
must
be fulfilled in the system. See order specific
Hägglunds Fusion documention for the monitoring settings.
The monitoring of the drive system switches and sensors are grouped in two levels
according to
.
The warning indication is to give an indication about a problem in the drive system
that does not need an immediate action.
The alarm indicates a need for stopping the pump. The stop sequence is to first
stop the hydraulic motor by setting the pump swash angle to zero without ramp
to allow the hydraulic drive to stop and after a short delay switch off the electric
motor.
The low (charge) pressure indicator must be interlocked during stop and startup
of the electric motor to avoid alarm and give the pump time to build up the charge
pressure after start.
Note!
For Fusion with pump control alarm and warning
must
be handled by
customer control system.
Fig. 5: Example of monitoring logic diagram with ISO VG 68 oil
42444
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