3 binary output, Output of the latest measured/computed data, Format of response to fd1 command – Yokogawa Standalone MW100 User Manual
Page 90: Data block structure, Data block member values
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IM MW100-17E
2.3 Binary Output
Note
In this section, CRLF means “carriage return/line feed.”
Output of the Latest Measured/Computed Data
• Output using the FD1 command.
Format of Response to FD1 Command
'E'
'B'
CR
LF
Binary data
Data sum
Flag
Data length
Data block
Identifier=130
Latest measured/computed data
4 bytes
Identifier
Header sum
Data Block Structure
8 bytes
Year
Channel number
Channel number
Channel number
Alarm status
Alarm status
Alarm status
Alarm 2
Bit 7
4 3
0
4
7
3
0
Alarm 1 Alarm 4 Alarm 3
Data value
Data value
Data value
Month
Day
Hours
Minute Second
(Reserved)
(Reserved)
2 bytes
Data Block Member Values
Member Name
Value
Year
Month
Day
00 to 99 (70 to 99: 1970 to 1999, 00 to 69: 2000 to 2069)
1 to 12
1 to 31
Hour
Minute
Second
0 to 23
0 to 59
0 to 59
Channel number
1 to 60:
101 to 400:
Measurement Channel
MATH channels
Alarm value
0:
1:
2:
3:
4:
5:
6:
7:
8:
Alarm OFF
Upper limit alarm occurs
Lower limit alarm occurs
Differential upper limit alarm occurs
Differential lower limit alarm occurs
Upper limit on rate-of-change alarm occurs
Lower limit on rate-of-change alarm occurs
Delay upper limit alarm occurs
Delay lower limit alarm occurs
Data values
–32767 to 65535
–9999999 to 99999999
Reserved
Undefined
2.3 Binary Output