Omega RD100B User Manual page 85

Programmable recorder communication interface
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5.3 Output Format of BINARY Data
5-14
• Flag
The meanings of the flags are given on the table below. The flags are valid during
FIFO data output. The flags are undefined for other cases.
Bit
Flag
Flag
0
1
6
5
4
3
2
No
Yes
1
No
Yes
0
No
Yes
The bits that have "–" for the flag column are not used. The value is undefined.
• Block Member
Name
Year
Month
Day
Hour
Minute
Second
Millisecond
DST
Measurement, computation
Channel
Alarm status*
A1 (Bit 0 to 3)
A2 (Bit 4 to 7)
A3 (Bit 0 to 3)
A4 (Bit 4 to 7)
Measured data
Computed data
* BINARY value 0 to 8 is entered in the upper and lower 4 bits of a byte (8 bits) for the alarm
status. The binary values 0 to 8 correspond to H (high limit alarm), L (low limit alarm), h
(difference high-limit alarm), l (difference low-limit alarm), R (high limit on rate-of-change
alarm), r (low limit on rate-of-change alarm), T (delay high limit alarm), and t (delay low limit
alarm) as follows:
0: no alarm, 1: H, 2: L, 3: h, 4: l, 5: R, 6: r, 7: T, and 8: t.
• Special Data Value
The measured/computed data take on the following values under special conditions.
Special Data Value
+ Over
– Over
Skip
Burnout (when "up" is set)
Burnout (when "down" is set)
Error
Undefined
Note
The number of blocks, number of bytes, and measured/computed data are output according to
the byte order specified with the BO command.
Meaning of the Flag
Indicates that the decimal position or unit information was changed
during measurement.
Indicates that the FIFO acquiring interval was changed during
measurement.
Indicates that the internal process took too much time (computation,
for example) and that FIFO dropout occurred.
BINARY Value
0 to 99
1 to 12
1 to 31
0 to 23
0 to 59
0 to 59
0 to 999
1 (=summer) or 0 (=winter)
00H: measurement, 80H: computation
RD100B: 01 to 06 and 31 to 42
RD1800B: 01 to 24, 31 to 54
0 to 8
0 to FFFFH
0 to FFFFFFFFH
Measured Data
7FFFH
8001H
8002H
7FFAH
8006H
8004H
8005H
Computed Data
7FFF7FFFH
80018001H
80028002H
7FFF7FFFH
80018001H
80048004H
80058005H

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