Yokogawa Standalone MW100 - Manual (Page 92)

2-42
IM MW100-17E
Output of FIFO Data
• Output using the FF0 command.
Format of Response to FF0 Command
'E' 'B' CR LF
Binary data
Data sum
Data length
4 bytes 8 bytes
12 bytes
Data read start position
Data block 1
Data block n
FIFO data
Block number Block length
Identifier
=129
Flag Identifier Header sum
Data Block Structure
8 bytes
12 bytes
Year
Channel number
Channel number
Channel number
(Reserved)
(Reserved)
(Reserved)
Alarm status
Alarm status
Alarm status
Data value
Data value
Data value
Month Day Hours Minute Second Millisecond
Additional Information
• Structure of Added Information
Added information (Reserved) Setting key
Message information
Bit 15 12 11 8 4 7 3 0
2 bytes
Computation information
0: Computation stopped
1: Computation starting
Message 0
Message 1
Message 2
Message 3
Message 4
Message 5
* When the message is written, the bit of
the corresponding number is set to 1.
• Structure of Alarm Statuses
Bit 8 0
Alarm 1 Alarm 2 Alarm 3 Alarm 4
4 bytes
Alarm information
0: No specification
1: Upper limit alarm setting
2: Lower limit alarm setting
3: Differential upper limit alarm setting
4: Differential lower limit alarm setting
5: Upper limit on rate-of-change alarm setting
6: Lower limit on rate-of-change alarm setting
7: Delay upper limit alarm setting
8: Delay lower limit alarm setting
Alarm status
0: Alarm does not
activate
1: Alarm occurrence
Alarm hold information
0: No hold
1: Holding
(Reserved)
2.3 Binary Output