ADP200 Application PID-IMM User Manual Pag. 66 of 80
5.11 MULTIPUMP menu
This menu contains parameters for Multi – pump configuration.
In multi pump there are one master and one or more (max 6) slaves.
Master receive the machine speed (Flow) reference and pressure reference while slave receive from
master via CanBus only its speed(flow) reference calculated by the master.
In pressure control only master is working and slave speed is 0.
The multi-pump configuration baud rate must be 1 Mbit/sec, in this case the data exchange between drive
are done with a correct cycle time.
The standard configuration must be done with no other devices on the Can line, so there are only ADP 200
multi-pump connection on the Can.
The following curve show one example with two servo-pump one master and one slave in convergent mode.
All the drive and the pump are the same power / type (Slave Pmp Flow Ratio=1).
When the machine is in flow mode master share the flow reference to the slave following the curve below:
RefVel
Int. Drive
RefVel
From PLC
100%
100%
11304
SwitchThresold
50%
Multipump-Example with 1 Master and 1 Slave
Master Speed Ref
Slave Speed Ref
Figure 33: Multi-Pump Convergent Mode 2 pump speed ref calculation
In Convergent divergent configuration, one or more slave can change in master, in this case also the
hydraulic circuit change, in two or more independent circuit where each of this have an independent
pressure sensor.
Example:
In this example there are a configuration with 5 Drives one Master, two Slaves, one SlaveDiv Master and
one Slave Div Slave.
Here the configuration parameter (MasterSlaves) and the situation on convergent and in divergent case.
Drive 4 Dig. Input
Div/Conv = Convergent
Drive 4 Dig. Input
Div/Conv = Divergent
The following tables show some parameter configuration:
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