Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual page 344

Item
Ke: Processing time factor of each
module
Ni
St: Processing time between a
master station and a submaster
station when the submaster function
is used
*1 When the total number of stations in the network is eight or less, use the calculation formula for when the communication mode is set to
"High-Speed".
APPX
342
Appendix 7 Processing Time
Communication mode
Normal
■When a system uses the Safety
CPU
The processing time factor of the
safety station is the sum of the
processing time factor of all safety
stations in the network. 0 when the
safety communication function is not
used
• RJ71GF11-T2 (master station):
(1.6  Sa) + (5.4  Sb) +32
• RJ71GF11-T2 (local station): (1.7 
Sc) + 18
• Safety station other than the
above: 0
Sa: Number of safety communication
settings with local stations
Sb: Number of safety communication
settings with remote device
stations
Sc: Number of safety communication
settings with the master station
and other local stations
■When a system uses the SIL2
Process CPU
The sum of the processing time factor
of all safety stations and the
maximum value of the processing
time of the safety communication
relay of all RJ72GF15-T2 (safety
stations) in the network. 0 when the
safety communication function is not
used
• Processing time of the safety
communication relay of the
RJ72GF15-T2 (safety station): 74 
Sd + 622
• Processing time factor of the
RJ71GF11-T2 (safety station): 0.6
 Se + 1.2  Sf
• Processing time factor of the
RJ72GF15-T2 (safety station): 8.3
 Sg + 56.1
Sd: Number of target modules for the
safety communication relay
Se: Number of safety communication
settings of the master station
(safety station)
Sf: Number of intelligent device
stations (safety stations)
Sg: Number of safety communication
settings of the intelligent device
station (safety station)
The number of "Interrupt Settings" in "Application Settings"
This value is added only when the submaster function is used. 0 when the
submaster function is not used
(((Total number of points of "RX/RY Setting" set for the master station (station
number 0) in "Network Configuration Settings" of "Basic Settings")  4 + (Total
number of points of "RWw/RWr Setting" set for the master station (station
number 0) in "Network Configuration Settings" of "Basic Settings")  4)  0.08
+ 50)  1000
High-speed
■When a system uses the Safety
CPU
The processing time factor of the
safety station is the sum of the
processing time factor of all safety
stations in the network. 0 when the
safety communication function is not
used
• RJ71GF11-T2 (master station):
(0.8  Sa) + (4.1  Sb) +23
• RJ71GF11-T2 (local station): (0.9 
Sc) + +9
• Safety station other than the
above: 0
Sa: Number of safety communication
settings with local stations
Sb: Number of safety communication
settings with remote device
stations
Sc: Number of safety communication
settings with the master station
and other local stations
■When a system uses the SIL2
Process CPU
The sum of the processing time factor
of all safety stations and the
maximum value of the processing
time of the safety communication
relay of all RJ72GF15-T2 (safety
stations) in the network. 0 when the
safety communication function is not
used
• Processing time of the safety
communication relay of the
RJ72GF15-T2 (safety station): 74 
Sd + 622
• Processing time factor of the
RJ71GF11-T2 (safety station): 0.3
 Se + 0.6  Sf
• Processing time factor of the
RJ72GF15-T2 (safety station): 4.2
 Sg + 28.1
Sd: Number of target modules for the
safety communication relay
Se: Number of safety communication
settings of the master station
(safety station)
Sf: Number of intelligent device
stations (safety stations)
Sg: Number of safety communication
settings of the intelligent device
station (safety station)
*1
High-speed remote net
0
0