ABB AX416 User Manual page 41

Single and Dual Input Analyzers for pH/Redox (ORP)
AX416, AX436, AX460, AX466 & AX468
7. 0 0 pH
0. 0 pH
AO1: Zero Value
Hold
On
Off
----- mA
AO1: Default
Config. Output 1
Off
or
Hold
On
mA
12. 0 0
AO1: Default Val
Config. Output 1
IM/AX4PH Issue 9
Zero Value
(or or
pH mV Deg.C
display line. Use the and keys to adjust the displayed reading to the required zero
value:
Note. The zero value setting plus the minimum differential determines the minimum and
maximum values for the span setting, e.g. to set a span value of -1100mV, first set the
zero value to -1200mV.
pH
ORP/Redox
Temperature
A-B
Note. is applicable only to dual input analyzers.
A-B
Default Output
Select the system reaction to failure:
Hold
On
Off
Default Value
The level to which the analog output is driven if a failure occurs.
Set the value between 0.00 and 22.00mA
Output 2 configuration (and Outputs 3 and 4 if option board fitted and analog features
Config. Output 2
enabled - see section 7.3, page 58) is identical to Output 1 configuration.
Option board fitted and analog features enabled (see section 7.3, page 58) -see section
CONFIG. CLOCK
5.7, page 40.
CONFIG. SERIAL Option board fitted and Serial Communications feature enabled (see section 7.3, page
58) - see Supplementary Manual PROFIBUS Datalink Description (IM/PROBUS).
CONFIG. CONTROL Single input analyzer and option board not fitted - see PID Control Supplement
(IM/AX4PID).
Dual input analyzer and option board not fitted - see section 5.8, page 41.
CONFIG. SECURITY
or or ) and are shown alternately on the center
Deg.F A-B Adjust
- -2.00 to 14.00 pH (minimum differential, 2.00pH)
- -1200 to 1100 mV (minimum differential, 100mV)
- Deg. C -10.0 to 140.0 (minimum differential, 10ºC)
Deg. F 14.0 to 284.0 (minimum differential, 18ºF)
- -2.00 to 12.00 pH (minimum differential, 2.00pH)
- Hold the analog output at the value prior to the failure.
- Stop on failure. This drives the analog output to the level set
in the frame below.
Default Val
- Ignore failure and continue operation.
5 PROGRAMMING
39