KNF N96 - 8 Operation - Control Functions; Switching Pump On and Off; Control functions DC-B-M

Operation Diaphragm pump N96
24 Translation of Original Operating and Installation Instruction, English, KNF 316836-316838 01/20
8.2 Information on switching the pump on and off
Switching on the pump
à
Ensure that normal atmospheric pressure is present in the lines when
switching on.
Switching off/decommissioning the pump
à
Establish normal atmospheric pressure in the lines (relieve pump
pneumatically).
Recommissioning
à
Before recommissioning, observe the applicable standards, guidelines,
regulations and technical standards at the electrical connection.
Inspecting the pump
à
Inspect the pump periodically for external damage or leakage.
8.3 Control functions DC-B-M
8.3.1 Speed specification
Speed without external speed setting
The motor operates the pump with a non-variable speed over the entire
permissible pressure range (see Fig. 8).
Speed with external speed setting
The motor operates the pump with a variable speed between n
min
and n
max
(see Fig. 9). The speed is specified by means of the control voltage (U
Ctrl
).
Specification of the speed is performed via the blue lead (see Tab. 23).
8.3.2 Speed output
The speed is output via the green lead (see Tab. 23).
The motor controller generates a speed-synchronous square frequency
(see Fig. 12).
Fig.12 Speed output
8.3.3 Input signal for direction of motor rotation
The input signal for direction of motor rotation is applied via the yellow lead
(see Tab. 23).
8.3.4 Input signal for remote ON/OFF
The input signal for remote ON/OFF is applied via the white lead (see
Tab. 23).