Beijer Electronics NA-9379 - Manual (Page 68)

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MODBUS Programmable I/O NA-9379 FnIO S-Series
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 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