YOKOGAWA UPM100, Руководство пользователя

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5-15
IM 77C01H01-10EN
MODBUS Communication
5
5.2 Message and Response
Example (ASCII mode)
Write “10” into a series of four D registers starting with the D0043 (VT ratio and CT ratio) at
station number 11. (D register specification is “42.”)
[Message] [:]0B10002A0004080000412000004120ED[CR][LF]
“0B”: station number 11, “10”: function code 16, “002A”: D register specification 42, “0004”:
number of D registers 4, “08”: byte count (number of D registers × 2), “0000”: VT ratio lower
two bytes, “4120”: VT ratio upper two bytes, “0000”: CT ratio lower two bytes, “4120”: CT
ratio upper two bytes and “ED”: error check
* Numbers in quotation marks are hexadecimal.
The following response is returned with respect to the above message.
[Response]
[:]0B10002A00004B7[CR][LF]
Write “1” into the D0072 (setup change status) to activate the writing into the VT ratio and
CT ratio.
[:]0B0600470001A7[CR][LF]
“0B”: station number 11, “06”: function code 06, “0047”: D register specification 71, “0001”:
writing data 0001, and “A7”: error check
* Numbers in quotation marks are hexadecimal.