User`s manual

10-11
Data link DL1 (master station) function
10
[3] Communicate delay time
The following flow delay occurs when the JW-32CUM1 receives data as data link DL1 function.
Data transfer from a master station to a slave station
AB CD
Maser station
(JW-32CUM1)
Slave station 01
Slave station 01
DL1 PC I/O
Master station
(JW-32CUM1)
I/O PC DL1
Communication
ON
ON
Processing cycle
5
6
7
4
3
2
1
Actual delay times is given by total of the following items.
1 Delay of input module ............................... TD1
2 PC delay time to detect input condition .... TD2
(Max. 1 processing cycle)
3 Sending side PC processing time............. TD3
(1 processing cycle)
4 Time to send processed result ................. TD4
(Max. 1 communication cycle)
5 Receiving side PC delay time to write the
receiving data to data memory ................. TD5
(Max. 1 processing cycle)
6 Processing time of the receiving side PC . TD6
(1 processing cycle)
7 Delay of output module............................. TD7
Total delay time TD =TD1+TD2+TD3+TD4+TD5+TD6+TD7