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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