Details of command
22
WDT/RWDT
When synchronization has been established, the watchdog timer (WDT) executes checking. Updating the WDT can be
refreshed even if synchronization has not been established.
z
WDT
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SN: Copy of RSN in RWDT
MN: Incremented by 1 each communication cycle
(Master station WDT count)
z
RWDT
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
RSN: Incremented by 1 each communication cycle
(Slave station WDT count)
RMN: Copy of MN in WDT
9-2
Read ID command (ID_RD: 03h)
This command is used to read the product information as ID data. Select ID data by specifying the DEVICE_CODE.
Refer to the “DEVICE_CODE list” on p.23 for details.
Data format
Byte
Command
(Master to
NETC01-M2
)
Response
(
NETC01-M2
to master)
1
ID_RD (03h)
ID_RD (03h)
2
Reserved (0h)
ALARM
3
STATUS
4
5
DEVICE_CODE
DEVICE_CODE
6
OFFSET
OFFSET
7
SIZE
SIZE
8 to 15
Reserved (0h)
ID
16
WDT
RWDT
17 to 31
Reserved (0h)
Reserved (0h)
Explanation of command
Device group
Common command group
Function group
Data communication command group
Communication type
Asynchronous command
Completion of command
operation
Confirms by the response byte 1=ID_RD (=03h), STATUS.CMDRDY=1, DEVICE_CODE,
OFFSET and SIZE.
Note
DEVICE_CODE: Device code
OFFSET: Read offset
Size: Read data size (byte)
Summary of Contents for NETC01-M2
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