Mitsubishi Electric MELSEC iQ-R Series Reference Manual page 15

Inter-module synchronization accuracy calculation formula
Shows the calculation formula for the inter-module synchronization accuracy. Use as a guide to set the inter-module
synchronization cycle.
■When not going through a network module
-4
2.410 80+150
T=T +N
cyc r
• T: Inter-module synchronization accuracy (ns)
• T : Inter-module synchronization cycle (ns)
cyc
• N : Number of stages in extension base unit in which the module for calculating the inter-module synchronization accuracy
r
*1
is mounted
*1 This is 0 for the main base unit.
■When going through network module
-4
2.410 80+N
T=T +N
cyc r
• T: Inter-module synchronization accuracy (ns)
• T : Inter-module synchronization cycle (ns)
cyc
• N : Number of stages in extension base unit in which the module for calculating the inter-module synchronization accuracy
r
*1
is mounted
• N : Number of transit stations from the master station in which the module for calculating the inter-module synchronization
s
*2
accuracy +1
*1 This is 0 for the main base unit.
*2 The number of relay stations from the master station refers to the number of stations physically related from the master station to the
relevant station when using the following type of line topology or line topology/star topology combination.
Number of relay stations Number of relay stations
from the master station: 1 from the master station: 0
Slave Slave
station station
Obtain the inter-module synchronization accuracy for the module mounted in the master station with the
"When not going through network module" method.
12+700
s
Master
station
Number of relay stations Number of relay stations
from the master station: 0 from the master station: 1
Slave Slave
station station
Number of relay stations
from the master station: 2
Slave
station
3 SPECIFICATIONS
3.1 Performance Specifications
3
13