USER’S MANUAL

11.3.9 Pump/Fan Control [390]
The Pump Control functions are in menu [390]. The
function is used to control a number of drives (pumps,
fans, etc.) of which one is always driven by the VSD.
Pump enable [391]
This function will enable the pump control to set all relevant
pump control functions.
Default: Off
Off 0 Pump control is switched off.
On 1
Communication information
391 Pump enable
Stp A
Off
Pump control is on:
- Pump control parameters [392] to [39G]
appear and are activated according to
default settings.
- View functions [39H] to [39M] are added
in the menu structure.
Modbus Instance no/DeviceNet no: 43161
Profibus slot/index 169/65
Fieldbus format
UInt
Modbus format
UInt
Number of Drives [392]
Sets the total number of drives which are used, including
the Master VSD. The setting here depends on the
parameter Select Drive [393]. After the number of
drives is chosen it is important to set the relays for the
pump control. If the digital inputs are also used for status
feedback, these must be set for the pump control
according to; Pump 1 OK– Pump6 OK in menu [520].
Default: 1
1-3 Number of drives if I/O Board is not used.
1-6
1-7
Communication information
Number of drives if 'Alternating MASTER' is
used, see Select Drive [393]. (I/O Board is
used.)
Number of drives if 'Fixed MASTER' is used,
see Select Drive [393].
(I/O Board is used.)
NOTE: Used relays must be defined as Slave Pump or
Master Pump. Used digital inputs must be defined as
Pump Feedback.
Modbus Instance no/DeviceNet no: 43162
Profibus slot/index 169/66
Fieldbus format
Modbus format
392 No of Drives
Stp A
1
UInt
UInt
Select Drive [393]
Sets the main operation of the pump system.
'Sequence' and 'Runtime' are Fixed MASTER operation.
'All' means Alternating MASTER operation.
393 Select Drive
StpA
Sequence
Default:
Sequence 0
Sequence
Fixed MASTER operation:
- The additional drives will be selected in
sequence, i.e. first pump 1 then pump 2
etc.
- A maximum of 7 drives can be used.
102 Functional Description Omron SX inverter manual