475
APPENDICES
A
Appendix 3 CPU Module Processing Time
Appendix 3.2 Time required for each processing included in scan time
(d) Refresh with CC-Link IE Field Network Basic
This is the time required for refreshing data between link devices of CC-Link IE Field Network Basic and user
devices in the CPU module.
Calculation method
Calculate using the following formulas. Use the values in the following table for KN1 to KN4.
T = KM1 + KM2 × (((RX + RY) 16) + RWw + RWr) + E [µs]
E = KM3 + KM4 × (((RX + RY) 16) + RWw + RWr) [µs]
• T: Link refresh time
• E: Link refresh time when the file register (R, ZR) is used
*1
• RX: Number of points of remote input (RX) refreshed by the master station
*2
• RY: Number of points of remote output (RY) refreshed by the master station
*2
• RWw: Number of points of remote register (RWw) refreshed by the master station
*2
• RWr: Number of points of remote register (RWr) refreshed by the master station
*2
• KM1 to KM4: Constant
*1 This time is added when the file register (R, ZR) is used.
*2 This value is determined according to the number of slave stations to be connected and the number of occupied
stations.
CPU module KM1 KM2 KM3
KM4
Without
extended SRAM
cassette
With extended
SRAM cassette
Q03UDVCPU 20.0 0.02 3.0 0.05 0.11
Q04UDVCPU, Q04UDPVCPU 20.0 0.02 3.0 0.05 0.11
Q06UDVCPU, Q06UDPVCPU,
Q13UDVCPU, Q13UDPVCPU,
Q26UDVCPU, Q26UDPVCPU
20.0 0.02 3.0 0.05 0.11
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