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MELSEC-Q
18 PROCESSING TIME FOR MULTIPLE PLC SYSTEM HIGH
PERFORMANCE MODEL QCPUS QCPUS
(2) MELSECNET/H refresh
(a) The amount of time required for performing the refresh process between
High Performance model QCPU and MELSECNET/H network modules.
Refer to the following manual for details on the refresh time for
MELSECNET/H.
• Q Corresponding MESLECNET/H Network System Refresh Manual
(b) The amount of time required for the automatic refresh process will be
prolonged only by the following amount of time when requests for
refreshing are issued by other MELSECNET/H modules at the same time
on a multiple PLC system.
(Prolonged time) = (transmitted/received word point) N5
(number of other PLCs)
(
s)
The number of words transmitted/received is the total value of the following transferal data.
(LB + LX + LY + SB)
:
16
+ LW
(LB + LX + LY + SB)
:
16
+ LW
LB
: (
16
+ LW)
2
• Link refresh data
• Data transferred to the memory card's file register
• Transferal between data links
Refer to the following table for N5
N5
CPU type
Systems with only a
main base unit
Systems that include
additional base units
Q02CPU
Q02HCPU, Q06HCPU, Q12HCPU, Q25HCPU
0.54
s
1.30
s
(3) CC-Link automatic refresh
(a) The amount of time required for performing the refresh process between
High Performance model QCPU and CC-Link master local modules.
Refer to the following manual for details on the automatic refresh time for
CC-Link.
• QJ61BT11 CC-Link System Master Local Module User's Manual
(c) The amount of time required for the automatic refresh process will be
prolonged only by the following amount of time when requests for
refreshing are issued by other CC-Link modules at the same time on a
multiple PLC system.
(Prolonged time) = (transmitted/received word point) N5
(number of other PLCs)
(
s)
The amount of data transmitted/received is the following transferal data.
(RX + RY + SB)
• Link refresh data :
16
+ SW
Refer to the following table for N5
N5
CPU type
Systems with only a
main base unit
Systems that include
additional base units
Q02CPU
Q02HCPU, Q06HCPU, Q12HCPU, Q25HCPU
0.54
s
1.30
s