Mitsubishi Electric Q12DCCPU-V - Transmission Delay Time Calculation Example; Link Device Refresh Time; Cyclic Transmission Delay

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5.3 MELSECNET/H Module Access Function
5.3.5 Link data transfer processing time specifications
5
ACCESS VIA NETWORK MODULES
(b) Transmission delay time calculation example
In a single system configuration, a delay time in cyclic transmission is calculated
as described below.
1) Link device refresh time
2) Link scan time
*1
* 1 For details of the link scan time, refer to the Q Corresponding MELSECNET/H Network System
Reference Manual (PLC to PLC network).
3) Cyclic transmission delay
Table 5.8 System configuration and conditions
Item Description
CPU on receiving station C Controller module
Total number of stations per network 2 (Control station : 1, Normal station : 1)
Total link device points
LB/LW 1024 points
LX/LY 0 points
Link device refresh cycle 100ms
Transient transmission None
MELSECNET/H module Installed to Slot 0 of main base unit
Transmission speed 10Mbps
1.47(ms)
16
LW
16
1024
Total link device refresh time
KM1 KM2
LB LX LY
1024 0
0
1.0 0.43 10
-3
T
Total link device refresh time on sending side
Total link device refresh time on receiving side
R 1.47(ms)
7.076 (ms)
= 4.0 + (0.45 2)
+
Link scan time LS = KB + (0.45 Total no. of stations)
+
8
8
LB + LY + (LW 16)
0.001
1024 + 0 + (1024 16)
0.001
Transmission delay timeTD1 LT+ T+(LS 1)+ R+LR
100+1.47+(7.076 1)+1.47+100
210.00(ms)