Figure 85: Connections for external control source connected through comm. port
Table 14: Parameter settings for Modbus RTU and BACnet protocols
Parameter Number Parameter Description Protocol
Modbus RTU BACnet
[8-02] Control Source FC Port FC Port
[8-30] Protocol Modbus RTU BACnet
[8-31] Address 1 1
[8-32] Baud Rate 19200 9600
[8-33] Parity / Stop Bits Even Parity, 1 Stop bit No Parity, 1 Stop bit
[8-34] Estimated Cycle Time 0 ms 0 ms
[8-35] Minimum Response Delay 10 ms 10 ms
[8-36] Maximum Response Delay 5000 ms 5000 ms
[8-37] Maximum Inter-Char Delay 0.86 ms 25 ms
Table 15: Parameters determining control source for controller functions
Parameter number Description Set to
[8-01] Control Site Determines the location of the control source.
Set to Digital and ctrl.word to use both serial
bus and digital input control. Set to Digital
only to use only the digital inputs. Set to
Controlword only to use only the serial bus.
[8-50] Coasting Select Determines the control location of the coasting
(stop) function. Set to Digital input to use a
digital input only. Set to Bus to use only the
serial bus only. Set to Logic AND to use the
serial bus AND a digital input. Set to Logic OR
to use the serial bus OR a digital input.
[8-53] Start Select Determines the control location of the start
command. Set to Digital input to use a digital
input only. Set to Bus to use only the serial bus
only. Set to Logic AND to use the serial bus
AND a digital input. Set to Logic OR to use the
serial bus OR a digital input.
[8-55] Set-up Select* Determines the control location of the set-up
selection function. Set to Digital input to use a
digital input only. Set to Bus to use only the
serial bus only. Set to Logic AND to use the
serial bus AND a digital input. Set to Logic OR
to use the serial bus OR a digital input.
5 Electrical Installation
74 Aquavar
®
Intelligent Pump Controller - 150 HP to 600 HP INSTRUCTION MANUAL
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