Term Abbreviation Explanation
Configuration
Assigning input and output functions to terminals, and setting parameters, so that the
controller is suitable for the application where it is installed. Configuration also refers to
the arrangement of hardware and wiring.
Controller
DEIF equipment that measures system conditions and then uses outputs to make the
system respond appropriately.
Current transformer CT
A transformer for a current measurement, so that the current at the controller is within
the controller's specifications.
Digital input DI
Terminals on a controller hardware module that the controller uses to measure a digital
input. A pre-configured digital input function or alarm can be assigned to the input.
Electrostatic
discharge
ESD
EMERGENCY genset
controller
Controls and protects the emergency genset (normally a diesel generator). This includes
control of the generator breaker and the tie breaker. If the system loses power, the
controller ensures that the emergency genset supplies power to the emergency busbar.
Engine interface
module 3.1
EIM3.1
A replaceable PCB, with its own power supply. This module includes 4 relay outputs, 4
digital inputs, an MPU and W input, and 3 analogue inputs.
Generator breaker GB
The breaker between a generator (for example, a genset) and the busbar. The GENSET
and EMERGENCY genset controllers can control a generator breaker.
Generator tacho
(measurement/output)
W
A generator tacho measurement. This can be used as a backup measurement for
generator speed.
GENSET controller
Controls and protects a genset. This includes control of the generator breaker. The
Power Management System can automatically start and stop gensets to ensure that the
required power is available.
Governor GOV Regulates the engine speed.
Governor and AVR
module 3.1
GAM3.1
A replaceable PCB, which includes load sharing capability. This module also includes 4
relay outputs, 2 analogue current or voltage outputs, a pulse width modulation output,
and 2 analogue current or voltage inputs.
Governor and AVR
module 3.2
GAM3.2
A replaceable PCB with its own power supply, two analogue outputs, a pulse width
modulation output, five digital inputs, a status relay output, and four relay outputs.
Ground
A connection between the equipment and earth. For marine applications, a ground is a
connection to the ship's frame.
Heavy consumer HC
When a request is made, the power management system reserves and manages the
power required by the heavy consumer(s).
Hot swapping
NOT recommended. Changing hardware modules while the equipment is powered,
which may damage the equipment.
Input output module
3.1
IOM3.1 A replaceable PCB, with 4 relay outputs, and 10 digital inputs.
Input output module
3.4
IOM3.4 A replaceable PCB, with 12 transistor outputs, and 16 digital inputs.
Internet Protocol
version 4
IPv4
A protocol for communication across networks. IPv4 currently routes the most traffic on
the Internet, but will gradually be replaced by IPv6.
Internet Protocol
version 6
IPv6
A protocol for communication across networks. Among other things, IPv6 has a much
larger address space than IPv4.
Light emitting diode LED Used to show the controller and equipment status and alarms.
Load sharing
The controllers adjust the gensets so that each genset supplies the right amount of the
total power. For equal load sharing, each genset supplies the same proportion of its
nominal power.
INSTALLATION INSTRUCTIONS 4189340909I UK Page 136 of 144
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