TURTLE
TOUGH
®
21
Measurement
pH
Setup Parameter
Configuration
1
N/A
Sensor Type
1
P18
Default Node
1
P02
Default Baudrate
19,200
P03
Default Output Type
4-20mA
P04
Default Polarity
non-inverted
P05
Default Low Whole
11
P06
Default Low Decimal
11
P07
Default Hi Whole
88
P08
Default Hi Decimal
89
P09
Days to Recalibrate
14
P17
Integer Limits
Engineered pH Limits
0
-2.000
18,000
16.000
% of Full Range
Engineered pH Units
RTU Integer
0.00%
-2.000
0
5.56%
-1.000
1000
11.11%
0.000
2000
16.67%
1.000
3000
22.22%
2.000
4000
27.78%
3.000
5000
33.33%
4.000
6000
38.89%
5.000
7000
44.44%
6.000
8000
50.00%
7.000
9000
55.56%
8.000
10000
61.11%
9.000
11000
66.67%
10.000
12000
72.22%
11.000
13000
77.78%
12.000
14000
83.33%
13.000
15000
88.89%
14.000
16000
94.44%
15.000
17000
100.00%
16.000
18000
11.11%
0.000
Default Low Setpoint P06/P07
88.89%
14.000
Default High Setpoint P08/P09
pH
CHANGING pH VALUES ABOVE GET % SCALING COMPUTED
Note 1:
Low and high analog setpoints should be at least 1,000 MODBUS RTU steps apart.