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GENERIC TERMS AND ABBREVIATIONS
Unless otherwise specified, this manual uses the following generic terms and abbreviations.
System A A system that is set as system A to distinguish two systems, which are connected with two tracking cables.
When the two systems start up at the same time, this system will be a control system. System switching does not
affect the system A/B setting.
System B A system that is set as system B to distinguish two systems, which are connected with two tracking cables.
When the two systems start up at the same time, this system will be a standby system. System switching does
not affect the system A/B setting.
Tracking cable An optical fiber cable used to connect two redundant function modules in a redundant system
Generic term and abbreviation Description
Base unit A main base unit, an extension base unit, an RQ extension base unit
CC-Link IE Controller Network-equipped
module
An RJ71GP21-SX CC-Link IE Controller Network module, an RJ71GP21S-SX CC-Link IE Controller Network
module, and the following modules when the CC-Link IE Controller Network function is used:
• RJ71EN71
• RnENCPU
CC-Link IE Field Network-equipped
master/local module
An RJ71GF11-T2 CC-Link IE Field Network master/local module and the following modules when the CC-Link IE
Field Network function is used:
• RJ71EN71
• RnENCPU
CPU module R08PCPU, R16PCPU, R32PCPU, R120PCPU
Device supporting iQSS A device which supports iQ Sensor Solution.
For iQ Sensor Solution, refer to the following.
iQ Sensor Solution Reference Manual
Ethernet interface module with built-in CC-
Link IE
RJ71EN71
Ethernet-equipped module The following modules when the Ethernet function is used:
• RJ71EN71
• CPU module
I/O module An input module, an output module, an I/O combined module, and an interrupt module
Network module Includes the following:
• Ethernet interface module
• CC-Link IE Controller Network module
• CC-Link IE Field Network master/local module
• MELSECNET/H network module
• MELSECNET/10 network module
Power supply module A MELSEC iQ-R series power supply module
Process CPU R08PCPU, R16PCPU, R32PCPU, R120PCPU
Process CPU (process mode) A Process CPU operating in process mode.
Process control function blocks and the online module change function can be executed.
Process CPU (redundant mode) A Process CPU operating in redundant mode.
A redundant system is configured with this CPU module. Process control function blocks and the online module
change function can be used even in the redundant mode.
RAS Reliability, Availability, Serviceability This term refers to the overall usability of automated equipment.
Redundant extension base unit An extension base unit which is essential for configuring a redundant system with redundant extension base unit
Remote head module An RJ72GF15-T2 CC-Link IE Field Network remote head module
RnPCPU R08PCPU, R16PCPU, R32PCPU, R120PCPU
Station sub ID number An ID number of a sensor connected to a CC-Link-compatible communication module
Term Description
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