Hardware manual PCD7.LRxx-PG5 room controller │ Document 27-653; version ENG07 │ 2019-03-21
Saia-Burgess Controls AG
Glossary
Appendix
A-12
A
A.6 Glossary
Backup
Data backup on second data carrier
Base address
First numerical address of the I/O module slots
CPU
Central processing unit. In the case of the Saia PCD
®
family, this refers to
the main housing with the central unit.
Device
Device → controller (integral part of a project in Saia PG5
®
Project Manager)
Download
Abbreviation: “DnLd” → saving data to the PCD
Element
For the Saia PCD
®
family, this refers to the inputs and outputs, flags,
registers, counters, timers, etc.
Flash memory
Digital non-volatile memory. Retains data when switched off without a
connected power supply.
Media
This refers to inputs/outputs, flags, registers, etc. in the PCD family.
Media mapping
Media mapping is the process of assigning digital and analogue I/O
electronics to flags and registers in the software using a list.
Modules
Carrier cards for input/output electronics with
suitable connection technology
Ni
Element: nickel (temperature sensors made of nickel)
Temperature coefficient α = 6.0 · 10
-3
[K
-1
]
NTC
NTC thermistor: temperature sensors with negative temperature coefficient
IL
Instruction list (program code line by line)
PGU
Programmable Unit
PLC
Process logic controller
Port
Interface designation
Pt
Element: platinum (temperature sensors made of platinum)
Temperature coefficient α = 3.92 · 10
-3
[K
-1
]
Buffer battery
Retains memory content and keeps the clock running after the power
supply is switched off.
RAM
Random access memory → digital volatile memory of the computer.
Does not retain data without power.
Resources
Elements of → inputs, outputs, flags, registers, counters, timers, etc.
SPM
Saia PG5
®
Project Manager, main program of the Saia PG5
®
software suite.
x, xx or xxx
“x” in a product designation stands for a number 0...9 or letter.
Example:
PCD7.LRxx = PCD7.LRL4 or PCD7.LRS5, etc.