Teledyne 7500 Instruction Manual page 28

Infrared gas analyzer communication functions (modbus)
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Word data [read-out/write-in]: Function code [03
User settings
Relative
Register
Data
address
No.
type
005C
40093
Word
H
005D
40094
Word
H
005E
40095
Word
H
005F
40096
Word
H
0060
40097
Word
H
0061
40098
Word
H
0062
40099
Word
H
0063
40100
Word
H
0064
40101
Word
H
0065
40102
Word
H
0066
40103
Word
H
0067
40104
Word
H
0068
40105
Word
H
0069
40106
Word
H
006A
40107
Word
H
006B
40108
Word
H
006C
40109
Word
H
006D
40110
Word
H
Word data [write-in]: Function code [06
Operation command
Relative
Register
Data
address
No.
type
07D0
42001
Word
H
07D1
42002
Word
H
Memory contents
Hold switch
Oxygen conversion reference
value
Peak alarm switch
Peak alarm concentration
Peak alarm count
Peak alarm hysteresis
Auto zero calibration start
time (day)
Auto zero calibration start
time (hour)
Auto zero calibration start
time (min)
Auto zero calibration cycle
Auto zero calibration cycle
unit
Auto zero calibration switch
Auto zero calibration gas
flow time
CH1 range change setting
CH2 range change setting
CH3 range change setting
CH4 range change setting
CH5 range change setting
]
H
Memory contents
Keying command
Display change
28
Teledyne Analytical Instruments
, 06
, 10
]
H
H
H
Read-on / Write-in data
0, 1
(0: OFF, 1: ON)
01H to 13H (1% to
19%)
0, 1
(0: OFF, 1: ON)
0064H to 03e8H
(100 to 1000 ppm)
0001H to 0063H
(1 to 99 times)
0000H to 0014H
(0 to 20% FS)
00H to 06H (Sun to Sat)
00H to 23H ((BCD
code)
00H to 59H ((BCD
code)
0,1 (0:h, 1: days)
0,1 (0:OFF, 1: ON)
003CH to 0257H (60 to
599 sec)
0,1 (0: range-1; 1:range-
2)
Read-on / Write-in data
01H: MODE
02H: Side,
04H: Up, 08H: Down
10H: ESC, 20H: ENT
40H: ZERO, 80H: SPAN
1: Return to measurement
mode display
Remarks or
Relevant
corresponding
model
parameter
Output hold
R/K
Oxygen
R/K
conversion
reference value
Setting of peak
alarm
R/K
R/K
Setting of auto
R/K
zero calibration
R/K
R/K
R/K
R/K
R/K
R/K
Range
R/K
changeover
R/K
(disabled if
R/K
remote range
R/K
ON)
K
Remarks or
Relevant
corresponding
model
parameter
Sending a value
R/K
simulates keying
Force to return
R/K
to measurement
mode

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