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About The Generic Terms and Abbreviations
This manual uses the following generic terms and abbreviations to describe the serial communication
modules, unless otherwise specified.
(1) Generic terms and abbreviations of relevant modules
In this manual, the following generic terms and abbreviations are used to indicate
the PLC CPU and other modules used for the data-communication functions of
the serial communication modules. Module model names are provided when
relevant model names are needed to be shown.
Generic term/abbreviation Description of generic term/abbreviation
Q series C24 (C24)
Abbreviation for QJ71C24N, QJ71C24N-R2, QJ71C24N-R4, QJ71C24 and QJ71C24-R2 type serial
communication modules.
(Indicated as "C24" in the diagrams)
QC24 Generic term for AJ71QC24, AJ71QC24-R2, AJ71QC24-R4, A1SJ71QC24, A1SJ71QC24-R2.
QC24N
Generic term for AJ71QC24N, AJ71QC24N-R2, AJ71QC24N-R4, A1SJ71QC24N, A1SJ71QC24N-
R2.
QC24(N) Generic term for QC24, QC24N.
QCPU Q mode
Generic term for Q00JCPU, Q00CPU, Q01CPU, Q02CPU, Q02HCPU, Q06HCPU,
Q12HCPU, Q25HCPU, Q12PHCPU, Q25PHCPU.
QCPU station Abbreviation for the PLC with QCPU installed.
QnACPU
Generic term for Q2ACPU, Q2ACPU-S1, Q2ASCPU, Q2ASCPU-S1, Q2ASHCPU, Q2ASHCPU-S1,
Q3ACPU, Q4ACPU, Q4ARCPU.
Q/QnACPU Generic term for QCPU, QnACPU.
UC24
Computer link module
Generic term for AJ71UC24, A1SJ71UC24-R2, A1SJ71UC24-R4, A1SJ71UC24-PRF,
A1SJ71C24-R2, A1SJ71C24-R4, A1SJ71C24-PRF, A2CCPUC24, A2CCPUC24-PRF.
A series computer link modules.
Generic term for the module below.
QnA series
AJ71QC24, AJ71QC24-R2, AJ71QC24-R4, A1SJ71QC24, A1SJ71QC24-R2,
AJ71QC24N, AJ71QC24N-R2, AJ71QC24N-R4, A1SJ71QC24N, A1SJ71QC24N-
R2.
Serial communication module
Q series QJ71C24N, QJ71C24N-R2, QJ71C24N-R4, QJ71C24, QJ71C24-R2