SS1000 Operator’s Manual
4
–
0
1
-
9
2
-
4
A
.
v
e
r
9
7
0
2
0
-
0
0
0
9
4
6
1
Modbus Accessible Parameter Definitions
•
Concentration
– current live concentration in selected engineering
units.
•
Temperature
– current live temperature of the gas sample in
selected engineering units.
•
Pressure
– current live pressure reading of the gas sample in
selected engineering units atmospheric.
•
PkD1
– midpoint current (mA) of laser scan being used in the
analyzer when peak tracking is turned on.
•
Firmware Version
– firmware version running in the analyzer.
•
S Factor
– slope adjustment enabling the analyzer to be tuned to
match a specific calibration standard without affecting the factory
calibration.
# Spectrum Average
3201
43201
Short
R/W L1
a
1
240
Logger Rate
3202
43202
Short
R/W L1
a
1
299
Peak Tracking
3203
43203
Short
R/W L1
a
0
2
Alarm Action
Not applicable for SS1000
Temperature Unit
3205
43205
Short
R/W L1
a
0
1
Pressure Unit
3206
43206
Short
R/W L1
a
0
3
Concentration Unit
3207
43207
Short
R/W L1
a
0
2
Modbus Device Address
3208
43208
Short
R/W L1
a
0
250
Modbus Mode
3209
43209
Short
R/W L1
a
0
2
DO Alarm Setup
3210
43210
Short
R/W L1
a
0
107
4-20mA % Test
Not applicable for SS1000
t
r
o
h
S
1
0
3
3
4
1
0
3
3
e
s
a
h
P
R/W L2
b
1
358
Ramp Amplitude
3303
43303
Short
R/W L2
b
1
249
t
r
o
h
S
4
0
3
3
4
4
0
3
3
d
o
m
I
R/W L2
b
0
99
Password
4999
44999
Short
R/W
0
9999
a. Write privilege requires User Level 1 (L1) password to be downloaded to the
Pass-
word
register.
b. Write privilege requires User Level 2 (L2) password to be downloaded to the
Pass-
word
register
Table 4–1
Modbus register map (Continued).
Parameter
Daniel
Reg.
Gould
Reg.
Data
Type Action
Min
Max
UK Distibution by IMA Ltd
Tel: +44 (0)1943 878877 Email: [email protected] Web: www.ima.co.uk