3
English (US)
2. Symbols used in this document 3. Abbreviations and definitions
Warning
If these safety instructions are not observed,
it may result in personal injury.
Warning
If these instructions are not observed, it may lead
to electric shock with consequent risk of serious
personal injury or death.
Warning
The surface of the product may be so hot that
it may cause burns or personal injury.
If these safety instructions are not observed,
it may result in malfunction or damage to the
equipment.
Notes or instructions that make the job easier
and ensure safe operation.
AI Analog input.
AL Alarm, out of range at lower limit.
AO Analog output.
AU Alarm, out of range at upper limit.
CIM Communication interface module.
Current sinking
The ability to draw current into the terminal and
guide it towards GND in the internal circuitry.
Current
sourcing
The ability to push current out of the terminal
and into an external load which must return it
to GND.
DI Digital input.
DO Digital output.
ELCB Ground leakage circuit breaker.
GDS
Grundfos Digital Sensor.
Factory-fitted sensor in some Grundfos pumps.
GENIbus Proprietary Grundfos fieldbus standard.
GFCI
Ground fault circuit interrupter.
(USA and Canada).
GND Ground.
Grundfos Eye Status indicator light.
LIVE
Low voltage with the risk of electric shock if the
terminals are touched.
OC
Open collector:
Configurable open-collector output.
PE Protective ground.
PELV
Protective extra-low voltage.
A voltage that cannot exceed ELV under
normal conditions and under single-fault
conditions, except ground faults in other
circuits.
SELV
Safety extra-low voltage.
A voltage that cannot exceed ELV under
normal conditions and under single-fault
conditions, including ground faults in other
circuits.
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