Input Description

Function Block PUMP_DOL_SIMU

EN (enable)

Data_Type	Default_Value	Range	Unit
BOOL	-	-	-

In order to enable the function block processing, input EN has to be continuously set to TRUE. The function block is not processed if input EN = FALSE. While input is set to TRUE, the inputs are continuously checked for validity and plausibility. If this is not the case, processing is aborted and an error is displayed.

START (start)

Data type: BOOL, default value: FALSE

The input is connected to the pump start command. The start command is activated by the PUMP_START output of the PUMP_INTERFACE function block.

TRUE starts the DOL pump and the output “OPERATING” is TRUE. FALSE stops the pump and the output “OPERATING” is FALSE The output “READY” keeps TRUE independent of the input state.

EXT_FAULT (external fault)

Data type: BOOL, default value: FALSE

This input simulates the trip condition. The user can trigger the input signal “EXT_FAULT”.

TRUE activate a pump trip; the output ”TRIPPED” is TRUE and stops the pump; the output “OPERATING” is FALSE; the output “READY” is FALSE

FALSE deactivate a trip the output “TRIPPED” is FALSE.

NOMINAL_FLOW (nominal flow)

Data type: REAL, default value: 0, range >0, unit: m³/ h

This input parameter has to be designed according the nominal flow of the pump.