Filter
Top Products
1 - 14
1 OVERVIEW
MELSEC-QnA
1.5 Generic Terms and Abbreviations
Generic terms and abbreviations used in this manual are shown below.
Generic Term/Abbreviation
Description
AJ61QBT11 Abbreviation for the AJ61QBT11 CC-Link System Master/Local Module.
A1SJ61QBT11 Abbreviation for the A1SJ61QBT11 CC-Link System Master/Local Module.
Master station
Station that controls the data link system.
One master station is required for each system.
Local station
Station having a programmable controller CPU and the ability to communicate with the master and other
local stations.
Remote I/O station
Remote station that handles bit unit data only. (Performs input and output with external devices.)
(AJ65BTB1-16D, AJ65SBTB1-16D)
Remote device station
Remote station that handles bit unit and word unit data only. (Performs input and output with external
devices, and analog data conversion.)
(AJ65BT-64AD, AJ65BT-64DAV, AJ65BT-64DAI)
Remote station Generic term for remote I/O station and remote device station. (Controlled by a master station)
Intelligent device station Station that can perform transient transmission, such as the AJ65BT-R2(N) (Including local station).
Standby master station
Backup station for data link control when the link to the master station is disconnected due to a
programmable controller CPU or power supply problem.
Slave station
Generic term for the remote I/O station, remote device station, local station, intelligent device station and
standby master station.
Master/local module Generic term for the AJ61QBT11, and A1SJ61QBT11.
Master module Generic term for the AJ61QBT11, and A1SJ61QBT11 when they are used as master station.
Local module Generic term for the AJ61QBT11, and A1SJ61QBT11 when they are used as local station.
Remote module
Generic term for the AJ65BTB1-16D, AJ65SBTB1-16D, AJ65BT-64AD, AJ65BT-64DAV, AJ65BT-64DAI,
and A852GOT.
AJ65BT-R2(N) Generic term for AJ65BT-R2 and AJ65BT-R2N.
Intelligent device module Module that can perform transient transmission, such as AJ65BT-R2(N) (including local module).
Remote I/O net mode Dedicated mode for sending and receiving data to and from the remote I/O station at high speed.
Remote net mode
Mode that can communicate with all stations used for CC-Link (remote I/O station, remote device station,
local station, intelligent device station, and standby master station)
Cycric transmission
Transmission method by which to periodically communicate the contents of remote I/O, and remote
registers.
Transient transmission
Transmission method with which the counterpart is specified and 1:1 communication is used at an
arbitrary timing.
AnSCPU
Generic term for the A1SCPU, A1SCPU-S1, A1SJCPU, A1SJCPU-S3, A2SCPU, A2SCPU-S1, and
A1SCPUC24-R2.
AnCPU Generic term for the A1CPU, A2CPU, A2CPUS1, and A3CPU.
AnNCPU Generic term for the A1NCPU, A2NCPU, A2NCPUS1, and A3NCPU.
AnACPU Generic term for the A2ACPU, A2ACPUS1, and A3ACPU.
A2USCPU Generic term for the A2USCPU and A2USCPUS1.
AnUCPU Generic term for the A2UCPU, A2UCPUS1, A3UPU, and A4UCPU.
Q2ASCPU Generic term for the Q2ASCPU, Q2ASCPUS1, Q2ASHCPU, and Q2ASHCPUS1.
QnACPU Generic term for the Q2ACPU, Q2ACPUS1, Q3ACPU, and Q4ACPU.
SB
Link special relay (for CC-Link)
Bit unit information that indicates the module operating status and data link status of the master
station/local station.
SW
Link special register (for CC-Link)
16-bit unit information that indicates the module operating status and data link status of the master
station/local station.
RX
Remote input (for CC-Link)
Information entered in bit units from the slave stations to the master station.
RY
Remote output (for CC-Link)
Information output in bit units from the master station to the slave station