0X0F) Write Multiple Coils - Hitachi HX-RIO3 Series User Manual

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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)
0x000F(15) 0x0000
Sub-function 0x0064 (100) Return Slave ModBus, Internal Bus Status
The response data field returns the status of ModBus and Internal Bus addressed to the remote device.
This status values are identical with status 1word of input process image.
Sub-function Data Field (Request)
0x0064(100) 0x0000
Sub-function 0x0065 (101) Return Slave Watchdog 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)
0x0065(101) 0x0000

6.2.8. 15 (0x0F) Write Multiple Coils

This function code is used to force each coil in a sequence of coils to either ON or OFF in a remote device.
The Request PDU specifies the coil references to be forced. Coils are addressed starting at zero. A logical '1'
in a bit position of the field requests the corresponding output to be ON. A logical '0' requests it to be OFF.
The normal response returns the function code, starting address, and quantity of coils forced
-In case of address 0x1015~0x1000 output bit value: 00000000_00000000 changes to 00000001_01010101.
Data Field (Response)
Slave No Response Count
Data Field (Response)
ModBus, Internal Bus Status
Data Field (Response)
Watchdog Error Count
• Request
Field name
Function Code
Starting Address Hi
Starting Address Lo
Quantity of Outputs Hi
Quantity of Outputs Lo
Byte Count
Output Value#0
Output Value#1
• Response
Field name
Function Code
Starting Address Hi
Starting Address Lo
Quantity of Outputs Hi
Quantity of Outputs Lo
Description
Description
Same as status 1word
Description
Example
0x0F
0x10
0x00
0x00
0x0A
0x02
0x55
0x01
Example
0x0F
0x10
0x00
0x00
0x0A
HX-RIO3 Series