3. Machine Adjustment Procedure
3-17
Slave setting
Parameter 01-01=1
Source of operation command
Setting value
of Parameter
01-01
0: Operation by using the digital keypad
1: Operation by using the external terminals. The Stop button on the
keypad is disabled.
2: Communication using RS-485. The Stop button on the keypad is
disabled
For firmware version 2.03 and above, set the Parameter 01-01=2
Source of operation command
Setting value
of Parameter
01-01
0: Operation by using the digital keypad
1: Operation by using the external terminals. The Stop button on the
keypad is disabled.
2: Communication using RS-485. The Stop button on the keypad is
disabled
Set the Parameter 03-15 = 1
Source of Frequency Command
Setting value
of Parameter
03-15
0: Digital Operation Panel
1: RS485 Communication
2~5: reserved
Shut down the power and then supply the power again
Set an arbitrary value of the frequency command at the Master to check if the Slave has the
same value of the frequency command
Set 10rpm at the Master and then press RUN to see if the Slave is also running. If not, check
the wiring or the parameter setting for any problem
Set the Slave Parameter 03-13 = 2
Confluence Master/Slave Selection
Setting value
of Parameter
03-13
0: No function
1: Master 1
2: Slave/Master 2
3: Slave/Master 3
For firmware version 2.03 and above, the Parameter 03-21 can be set at the Slave to decide if
the Salve is performing the reversed operation for depressurization.
Note: If it is required to reverse the operation for depressurization at the Slave, it is necessary
to make sure that the pump outlet port is not installed with a check valve and the Parameter
03-16 should be set as 500%
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