Toshiba nv Series Instruction Manual page 41

The following figure shows the transmission data flow. From here, the
transmission information setting method will be explained based on the following
figure (example).
STA(PU821)
Network variable Word length
PLC1_RI 10W
PLC1_RO 10W
PLC1_LI 10W
PLC1_LO 10W
PLC2_SI 10W
PLC2_SO 10W
LC2_DI 10W
PLC2_DO 10W
Figure 3-3 Transmission data flow (example)
The following table shows the transmission information settings according to the
above transmission data flow.
Table 3-2 Transmission information setting (example)
Transmission block setting
Block Word
Send Node
No. Length
1 10W PLC-1
(IS_X)
2 10W STA
(IS911)
3 10W PLC-1
(IS_X)
4 10W STA
(IS911)
5 10W PLC-2
(IS_X)
6 10W STA
(IS911)
7 10W PLC-2
(IS_X)
8 10W STA
(IS911)
Unified Controller nv series TC-net I/O Serial Communication Module IS911 Instruction Manual
3.2 IS911 module registration and Parameter setting
IS911
RD
10W
10W
RD
10W
10W
10W
RD
10W
10W
RD
10W
TC-net I/O Loop
Serial Transfer (RS-485)
IS911Transmission
parameter etting
Transmission
Point
Item
No.
1 Station No.=1
Data type=0 Receive
Data code=0
2 Station No.=1
Data type=0 Send
Data code=10
3 Station No.=1
Data type=1 Receive
Data code=0
4 Station No.=1
Data type=1 Send
Data code=10
5 Station No.=2
Data type=2 Receive
Data code=0
6 Station No.=2
Data type=2 Send
Data code=10
7 Station No.=2
Data type=3 Receive
Data code=0
8 Station No.=2
Data type=3 Send
Data code=10
PLC-1 (Station Number=1)
Input 0 - 9
Relay
10 - 19
WT
Link 0 - 9
Relay
10 - 19
WT
PLC-2 (Station Number = 2)
WT
Holding 0 - 9
Relay
WT 10 - 19
0 - 9
Data
Memory 10 - 19
PLC
PLC Station
PLC Register
type No.
Input Relay
0 - 9
Input Relay
10 - 19
PLC-1 01
Link Relay
0 - 9
Link Relay
10 - 19
Holding Relay
0 - 9
Holding Relay
10 - 19
PLC-2 02
Data memory
0 - 9
Data memory
10 - 19
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