Advantech ADAM-5000/TCP Series, Manual

Page: 104 / 341

Planning Your Application Program
Response message format for function code 08:
Chapter 6
Command Body
StationAddress FunctionCode Data bytes received
Example: 01 08 00 02 00 04
Function Code 15 (0F hex) Forces each coil in a
sequence of coils to either ON or OFF. Request message
format for function code 15:
Command Body
Requested Requested
Station Function
Start Start
Numberof Numberof Byte
Force Force
Address Code
Address Address DataHigh DataLow
High Byte Low Byte Coil High
Byte
Coil Low
Byte
Count Byte Byte
Example: Request to force a series of 10 coils starting at address 00020
(14 hex) in ADAM-5000/TCP.
01 0F 00 14 00 0A 02 CD 01
The query data contents are two bytes: CD 01 hex, equal to
1100 1101 0000 0001 binary. The binary bits are mapped to the
addresses in the following way.
Bit:1 1 0 0 1 1 0 1 0 0 0 0 0 0 0 1
Address (000XX): 27 26 25 24 23 2221 20 -------------------2928
Response message format for function code 15:
The normal responses return the station address, function code, start
address, and requested number of coil forced.
Command Body
Station
Address
Function
Code
Start
Address
High Byte
Start
Address
Low Byte
Requested
Numberof Coil
High Byte
Requested
Numberof Coil
Low Byte
Example: 01 0F 00 14 00 0A
ADAM-5000/TCP User’s Manual
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