7.3. PDO communication
Using PDO (Process Data Object) communication, send and receive command and monitor data with
synchronously or asynchronously.
7.3.1. TxPDO and RxPDO communication type
TxPDO (Drive send PDO) can be set below condition in table.
TxPDO1 Transmission type : Object 0x1800 subindex 02
TxPDO2 Transmission type : Object 0x1801 subindex 02
TxPDO3 Transmission type : Object 0x1802 subindex 02
TxPDO21 Transmission type : Object 0x1814 subindex 02
TxPDO Transmission type
Transmission
type
0
1 ~ 240
241 ~ 251
252
253
254
255
RxPDO (Drive receive PDO) can be set below condition in table.
RxPDO1 Transmission type : Object 0x1400 subindex 02
RxPDO2 Transmission type : Object 0x1401 subindex 02
RxPDO3 Transmission type : Object 0x1402 subindex 02
RxPDO21 Transmission type : Object 0x1414 subindex 02
RxPDO Transmission type
Transmission
type
*2
0 ~ 240
241 ~ 253
254
255
*1: If VF-AS3 is used, this under lined sentence is substituted to "or sampling at SYNC message and send at
received RTR message".
*2: If VF-S15 is used, set 1 to transmission type.
Condition to trigger PDO
SYNC
RTR
✓
(✓)
✓
(✓)
---
---
✓
✓
✓
---
---
(✓)
---
(✓)
Condition to trigger PDO
SYNC
RTR
✓
---
---
---
---
---
---
---
Event
Send at the monitor value changes from last
✓
sending and received SYNC message
(or sampling and send at RTR received
Send at n times SYNC message received
---
(or sampling and send at RTR received
---
No function
Sampling at SYNC message and send at
---
received RTR message
---
Sampling and send at received RTR message
At the monitor value changes from the last
✓
sending and past the inhibit time.
Or at past the event time setting.
✓
(or sampling and send at RTR received)
Event
---
RxPDO updated at SYNC receive
---
No function
✓
RxPDO updated immediately
✓
RxPDO updated immediately
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PDO Transmission
PDO Transmission
*1
)
*1
)