MultiSmart Installation & Operation Manual
2 Glossary & Symbols
Terminology
Activation Level
The point at which a pump or alarm is switched On.
Alternate Mode
The Pump Station Manager automatically switches the lead (duty) pump each cycle.
Deactivation Level
The point at which a pump or alarm is switched Off.
Decommissioned Pump
A pump that has been removed from duty or an installation, e.g. for maintenance
purposes.
Duty (Lead) Pump
The main pump or the first pump to start within a pumping cycle.
Empty (Discharge) Mode
When the Pump Station Manager is set to empty a tank or pit.
Fill (Charge) Mode
When the Pump Station Manager is set to fill a tank or pit.
Fixed Sequence
Pump 1 or pump 2 is fixed as the lead (duty) pump.
InterPump Start Delay
The delay between any two pumps starting.
InterPump Stop Delay
The delay between any two pumps stopping.
Probe
MultiTrode manufactures a range of conductive level sensors. They have many
advantages over traditional devices such as ball floats. Advantages include:
resistance to fatty deposit build-up, tangle-free and an adjustable sensitivity to liquid
to prevent false readings.
Standby (Lag) Pump
The secondary pump or the next pump to start within a pumping cycle.
ISaGRAF
ISaGRAF is a control software environment which supports all of the internationally
recognised IEC 61131-3 control languages and offers a combination of highly
portable and robust control engine.
Abbreviations, Symbols & Units
PSM
Pump Station Manager
Ω
Resistance Value (Ohm)
EMC
Electromagnetic Compatibility
Hz
Frequency (Hertz)
LED
Light Emitting Diode
MTU
Master Terminal Unit
N/C
Normally Closed
N/O
Normally Open
RTU
Remote Telemetry Unit
VAC
Alternating Current Voltage
VDC
Direct Current Voltage
VFD
Variable Frequency Drive
Page 10 of 260 MultiSmart_IO_Manual_R20
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