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Baton pass A token used to send data to a network
Link scan time
Time required for all stations on a network to transmit data. The link scan time depends on data volume
and the number of transient transmission requests.
Link device A device (LB, LW, LX, or LY) in a network module
Link refresh
In the remote master station, data transfer between a link device in the MELSECNET/10 remote master
module and a device in a CPU module.
Link refresh is performed in the END processing of the CPU module's sequence scan.
Link dedicated instruction A dedicated instruction is used in the transient transmission.
Disconnection A process of stopping data link if a data link error occurs
Automatic return
A function that a station disconnected from the data link automatically recovers in the data link when the
station returns normal
Transmission delay time
A maximum period taken for the following process:
1: The remote I/O station sends data.
2: The remote master station receives the data.
3: The data arrive at the operation segment in the CPU module.
In addition, a maximum period taken for the following process:
1: The result of the operation is sent from the CPU module.
2: The remote master station receives the result and sends the result to the remote I/O station.
3: The remote I/O station receives the result.
Return A process of restarting data link when a station recovers from an error
ZNFR instruction, ZNTO
instruction
A generic term for the ZNFR instruction and ZNTO instruction for the MELSEC-A series remote master
station, and the JP/GP.ZNFR instruction and JP/GP.ZNTO instruction for the MELSEC-QnA series remote
master station
Built-in Ethernet port QCPU
A generic term for the Q03UDVCPU, Q03UDECPU, Q04UDVCPU, Q04UDEHCPU, Q06UDVCPU,
Q06UDEHCPU, Q10UDEHCPU, Q13UDVCPU, Q13UDEHCPU, Q20UDEHCPU, Q26UDVCPU,
Q26UDEHCPU, Q50UDEHCPU, and Q100UDEHCPU
Intelligent function module
A MELSEC-Q series module that has functions other than input and output, such as an A/D converter
module and D/A converter module
High Performance model
QCPU
A generic term for the Q02CPU, Q02HCPU, Q06HCPU, Q12HCPU, and Q25HCPU
Process CPU A generic term for the Q02PHCPU, Q06PHCPU, Q12PHCPU, and Q25PHCPU
Basic model QCPU A generic term for the Q00JCPU, Q00CPU, and Q01CPU
Universal model QCPU
A generic term for the Q00UJCPU, Q00UCPU, Q01UCPU, Q02UCPU, Q03UDCPU, Q03UDVCPU,
Q03UDECPU, Q04UDHCPU, Q04UDVCPU, Q04UDEHCPU, Q06UDHCPU, Q06UDVCPU,
Q06UDEHCPU, Q10UDHCPU, Q10UDEHCPU, Q13UDHCPU, Q13UDVCPU, Q13UDEHCPU,
Q20UDHCPU, Q20UDEHCPU, Q26UDHCPU, Q26UDVCPU, Q26UDEHCPU, Q50UDEHCPU, and
Q100UDEHCPU
Special function module
A MELSEC-A/QnA series module that has functions other than input and output, such as an A/D converter
module and D/A converter module
Redundant CPU A generic term for the Q12PRHCPU and Q25PRHCPU
Term Description