General Measure GM8802F-2, Руководство пользователя

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GM8802F-2 Field Mounting Transmitter
GM8802-F2110101
15
For example
Read command from address 01 in channel no. 1
：
02 30 31 31 52 57 54 30 31 0D 0A
Correct response: 02 30 31 31 52 57 54 40 61 30 30 30 31 33 32 35 36 0D 0A
Means
：
AD start
、
normal
、
positive weight
、
nonzero
、
stable
；
weight
：
132
2
）
Read state and weight from all of channels
Read command
：
STX Address A R W T CRC CR LF
Correct response
：
STX Address Channel no. R W T
Channel no.1~2
state and weight
CRC CR LF
Here
：
A —— 1bit
，
41H
Channel no.1~2 state and weight —— 2×8bits
，
2bits state and 6bits weightfor every
channels. Please see signal channel instruction.
For example:
Read command from address 01 in all of channels
：
Read command
：
02 30 31 41 52 57 54 31 37 0D 0A
Correct response
：
02 30 31 41 52 57 54 40 61 30 30 30 32 33 30 40 63 20 20 4F 46 4C 20
30 33 35 34 0D 0A
Means
：
Channel no. 1
：
AD start, normal, positive weight, nonzero, stable
；
weight
：
230
Channel no. 2
：
AD start, normal, positive weight, overflow, nonzero, stable
；
weight
：
OFL
3
）
Read other parameters
The data format of read command and response are same. Please see parameter table to
read and write.
Read command
：
STX Address Channel no. R Parameter code CRC CR LF
Correct response
：
STX Address Channel no. R Parameter code Value CRC CR LF
Here
：
Parameter code —— 2bits
，
please refer Character 5.2.1.1 “Parameters code table”.
Value —— please refer Character 4“Parameter table”.
For example:
Read stable range from address 01 in Channel no. 1
：
Read command
：
02 30 31 31 52 4D 52 38 39 0D 0A
Correct response: 02 30 31 31 52 4D 52 35 34 32 0D 0A
Means: present stable range in Channel no. 1
：
5
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