6) Process Variable Data Transmission Format (BINARY)
Output bytes
Date and time
Output bytes (2 bytes)
① Date and time (6 bytes):
① Year :
00
H to
01
② Mouth :
H to
01
③ Day
:
H to
④ Hour :
00
H to
00
⑤ Minute:
H to
00
⑥ Second:
H to
② Process variable (5 bytes):
CHNo.(1BYTE)
A1 to A4
(2BYTES)
1
:Upper-limit alarm
2
:Lower-limit alarm
0
:Alarm OFF or alarm setting OFF
Example) Bit Sequence.
0
0
1
0
LEVEL×H :Upper-limit alarm bit at the alarm level x
LEVEL×L :Lower-limit alarm bit at the alarm level x
1
2
DATA
(2BYTES) : Process variable data
,DATA
32000
-
The higher and lower bytes can be reversed by the BO command.
If Skip is specified,
[Note]
⚫ Outputs a data over -32000 to +32000 as the overflow. An overflow 7E7E is output on plus
side, and 8181 is output on minus side. Excluding the Decade channel.
⚫ It outputs data output by the Decade channel as follows regardless of the BO command. The
upper byte outputs a mantissa (10 to 99). The lower byte outputs an exponent (-19 to 19). A
decimal point position is fixed on 1 digit.
Process variable 1
:5×n (specified number of channels+6)
① ② ③ ④ ⑤ ⑥
63
H (00H for the year 2000)
0
CH
1
FH
17
H (24-hour system)
3
BH
3
BH
CHNo. A
2
01
:Channel number
:Alarm type activated at each alarm level.
0
0
0
1
0
LEVEL2H
LEVEL1H
LEVEL2L
LEVEL1L
32000
to +
(2-byte hexadecimal data)
8080
H will be output.
―89―
Process variable 6
A
1
A
4
A
3
DATA
1
06
H~
H
0
0
1
0
0
1
LEVEL4H
LEVEL4L
DATA
2
0
LEVEL3H
LEVEL3L
HXPRM10mnCT001E
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