Parker 8903/RS, Техническое руководство, Страница: 36 / 40

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8903/RS RS485 Communications Interface
15 Write Multiple Coils
Not supported.
Request PDU:
Function code 1 byte 0x0F
Starting address 2 bytes 0x0000 to 0xFFFF
Quantity of outputs 2 bytes N
Byte count 1 byte N/8
Output value N/8 bytes value
Error Response:
Function code 1 byte 0x8F
Exception code 1 byte 01
16 Write Multiple Registers
This function is used to write a block of contiguous registers. The function allows a request
from a broadcast, in which case there is no response.
Request PDU:
Function code 1 byte 0x10
Starting address 2 bytes 0x0000 to 0xFFFF
Quantity of registers 2 bytes 1 to 123 (N)
Byte count 1 byte 2*N
Register value N*2 bytes value
Response:
Function code 1 byte 0x10
Starting address 2 bytes 0x0000 to 0xFFFF
Quantity of registers 2 bytes 1 to 123 (N)
Error Response:
Function code 1 byte 0x90
Exception code 1 byte 02 or 03
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