User manual

Toolbox 32 User Manual 1.47d www.cse-semaphore.com/mykingfisher
Page
113
Basic Polling Using Ethernet
It is possible to communicate with multiple RTUs at the same time using one Ethernet port. Therefore,
instead of checking if the port is busy (waiting for a reply from any RTU), it is better to check if the target RTU
is busy as shown below.
│ │
├Poll remote RTUs every 15 minutes ┼ ┼ ┤
│ │
│DoEvery15min Poll Flag 2 │
│ #T1 #R1.2 │
├──[PERIOD]──────────────────────────────────────────────────────┬─────(S)─────┤
│ 15 Minutes │ │
│ │Poll Flag 3 │
│ │ #R1.3 │
├ ┼ ┼ ┼ ┼ ├─────(S)─────┤
│ │ │
│ │Poll Flag 4 │
│ │ #R1.4 │
├ ┼ ┼ ┼ ┼ └─────(S)─────┤
│ │
│Poll Flag 2 RTU2 Waiting Poll RTU2 │
│ #R1.2 #YLST2.2 RTU 2 │
├─────┤ ├─────────────────────────────────────────────────┤/├────┬──(RX_DATA)──┤
│ │ #R1 │
│ │Poll Flag 2 │
│ │ #R1.2 │
├ ┼ ┼ ┼ ┼ └─────(R)─────┤
│ │
│Poll Flag 3 RTU3 Waiting Poll RTU3 │
│ #R1.3 #YLST3.2 RTU 3 │
├─────┤ ├─────────────────────────────────────────────────┤/├────┬──(RX_DATA)──┤
│ │ #R1 │
│ │Poll Flag 3 │
│ │ #R1.3 │
├ ┼ ┼ ┼ ┼ └─────(R)─────┤
│ │
│Poll Flag 4 RTU4 Waiting Poll RTU4 │
│ #R1.4 #YLST4.2 RTU 4 │
├─────┤ ├─────────────────────────────────────────────────┤/├────┬──(RX_DATA)──┤
│ │ #R1 │
│ │Poll Flag 4 │
│ │ #R1.4 │
├ ┼ ┼ ┼ ┼ └─────(R)─────┤
│ │