Term Abbreviation Explanation
Parameter
A value, or set point, used to determine the controller's operation. Parameters
include nominal values, the configuration options for the configurable inputs and
outputs, and alarm settings. The same set of parameters can be uploaded to
several controllers.
Personal computer PC Used to run the PICUS software. For example, a laptop computer.
Phase L1 L1
The power line for one phase of a three-phase electrical system. Corresponds to R
in Germany, Red in the UK and Pacific, Red in New Zealand, Black in the USA,
and U on electrical machine terminals. The above colour codes are for guidance
only. If uncertain perform a phase measurement.
Phase L2 L2
The power line for one phase of a three-phase electrical system. Corresponds to S
in Germany, Yellow in the UK and Pacific, White in New Zealand, Red in the USA,
and V on electrical machine terminals. The above colour codes are for guidance
only. If uncertain perform a phase measurement.
Phase L3 L3
The power line for one phase of a three-phase electrical system. Corresponds to T
in Germany, Blue in the UK and Pacific, Blue in New Zealand, Blue in the USA,
and W on electrical machine terminals. The above colour codes are for guidance
only. If uncertain perform a phase measurement.
Power P The 3-phase active power, measured in kW.
Power factor PF The 3-phase power factor.
Power in Control
Utility Software
PICUS
The DEIF utility software, used to design, configure, troubleshoot and monitor a
system.
Power supply module
3.1
PSM3.1
A replaceable PCB that powers the controller. This module includes three relay
outputs for status signals. Used in the DEIF controller.
Power take home PTH The shaft generator is used as a motor to drive the ship's propellor.
Printed circuit board PCB Supports and electrically connects components.
Processor and
communication
module 3.1
PCM3.1
A replaceable PCB, which contains the controller processor, as well as the CAN
bus connections and Ethernet communication connections. Used in the DEIF
controller.
Programmable logic
controller
PLC A digital computer used for the automation of electromechanical processes.
Proportional integral
derivative
PID A feedback controller.
Pulse width
modulation
PWM
Terminals with an output that uses variable pulse widths, and behaves as an
analogue output.
Rack
An aluminium box with a rack system that houses the hardware modules. Each
controller consists of a rack and a number of hardware modules.
Rapid spanning tree
protocol
RSTP A protocol used to compute the topology of a local area network.
Reactive power Q The 3-phase reactive power, measured in kvar.
SEMI mode
A controller operating mode. Operator commands (for example, close breaker)
start pre-programmed sequences in the controller. Apart from trips, the controller
does not automatically open or close breakers or start or stop equipment.
Shaft generator SG A generator installed on the ship's main shaft that produces electricity.
SHAFT generator
controller
Controls and protects the power supply from the shaft generator.
Shore connection SC
The ship is supplied with electricity from land while in harbour through the shore
connection.
PPU 300 Commissioning guidelines 4189341106 UK
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