Denkovi smartDEN IP-16R Series, Руководство пользователя

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smartDEN IP-16R-XX User Manual
13 Apr 2021
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Byte Count 1 Byte 0x02
Outputs Value 2 Bytes 0xFEFF
In this example the first byte of the Outputs Value field corresponds to relays 8 to
1, and the second byte
– to relays 16 to 9.
Response
The normal response returns the function code, starting address, and quantity of
coils forced.
Response example 1: Set relays 1 and 3 to ON, and relay 2 to OFF:
Table 10.18. Write Multiple Coils response example 1
Field Length Data
Transaction Identifier 2 Bytes 0x0003
Protocol Identifier 2 Bytes 0x0000
Length 2 Bytes 0x0006
Unit Identifier 1 Byte 0x00
Function Code 1 Byte 0x0F
Start Address
2 Bytes 0x0000
Quantity of Outputs 2 Bytes 0x0003
Response example 2: Set relay 1 to OFF and relays 2..16 to ON:
Table 10.19. Write Multiple Coils response example 2
Field Length Data
Transaction Identifier 2 Bytes 0x0003
Protocol Identifier 2 Bytes 0x0000
Length 2 Bytes 0x0006
Unit Identifier
1 Byte 0x00
Function Code 1 Byte 0x0F
Start Address 2 Bytes 0x0000
Quantity of Outputs 2 Bytes 0x0010
Error
The possible error responses for function code 0x0F are:

Function Code (1 byte): 0x8F (0x80 + 0x0F)

Exception Codes (1 byte):
- 0x01
– Function code not supported
- 0x02
– Incorrect combination of start address and coil quantity
Error response example:
Table 10.20. Write Multiple Coils error response
Field Length Data
Transaction Identifier 2 Bytes 0x0003
Protocol Identifier 2 Bytes 0x0000
Length 2 Bytes 0x0003
Unit Identifier 1 Byte 0x00