Fnio s-series – Beijer Electronics NA-9379 User Manual

Page 68

MODBUS Programmable I/O NA-9379

FnIO S-Series

 Sub-function 0x000F(15) Return Slave No Response Count

The response data field returns the quantity of messages addressed to the remote device for which it has returned no
response

(neither a normal response nor an exception response),

since its last restart, clear counters operation, or power–up.

Sub-function

Data Field (Request)

Data Field (Response)

Description

0x000F(15)

0x0000

Slave No Response Count

 Sub-function 0x0064(100) Return Slave MODBUS, Extension module Status

The response data field returns the status of MODBUS and Extension module addressed to the remote device.
This status values are identical with status 1word of input process image. Refer to 5.3.1.
Sub-function

Data Field (Request)

Data Field (Response)

Description

0x0064(100)

0x0000

MODBUS,
Extension module Status

Same as status 1word

 Sub-function 0x0065(101) Return Slave MODBUS, Error Count

The response data field returns the quantity of watchdog error addressed to the remote device since its last restart,
clear counters operation, or power–up.
Sub-function

Data Field (Request)

Data Field (Response)

Description

0x0065(101)

0x0000

Watchdog Error Count

 Sub-function 0x0066(102) Change Slave IO Output Status

The sub-function with data fields is to clear watchdog counter and change IO output status. This may be used to simulate
Clear output and fault output

Sub-function

Data Field (Request)

Data Field (Response)

Description

0x0066(102)

0x0000

Echo Request Data

Ready output,
Automatically turns
Normal output

0x0066(102)

0x0001, 0x0002, 0x0003

Echo Request Data

Clear output

0x0066(102)

0x0004

Echo Request Data

Normal output

0x0066(102)

0x0005, 0x0006, 0x0007

Echo Request Data

Fault output