ABB AWT420 - Sensor replacement

AWT420 | UNIVERSAL 4-WIRE, DUAL-INPUT TRANSMITTER | CI/AWT420-EN REV. B
23
View mode
Pages displayed in View mode comprise:
• Diagnostics View 

see Figure 17
• Signals View 
Figure 23
• Chart View 
Figure 24
• Alarms View 
Figure 25
• Outputs View 

see Figure 26
Diagnostics View
Figure 22 Diagnostics View
Signals View
Figure 23 Signals View
Chart View
Figure 24 Chart View
Alarms View
Figure 25 Alarms View
Outputs View
Figure 26 Outputs View
01
O2
O3
O4
CAL
04-09-2019
08:10:11
Diagnostics View
PV Failure
NV Error
Cal. Failed
Cleaning
NAMUR icon and message
page 64
 View icon
No. Message
CAL
04-09-2019
08:10:11
8.201
136.01
24.0
1.055
0.000
22.2
----
----
ppm
%
°C
ppm
weeks
----
----
Signals View
Dissolved Oxygen
D.O. %Saturation
Tem p erature
Active Slope
Active Offset
RDO Cap Expiry
----
----
Signal value
Signal
type
Units
S1 :RDO Value Units
CAL
04-09-2019
08:52:03
12.5
25.0
Ch1
3.1
37.5
50.0
0.0
07:54:3207:24:32
04-09-201904-09-201904-09-2019
06:54:32
Chart View
Color-coded trace
(1 for each sensor)
Process value
Trace time/date

(color-coded)
A1
A2
A3
A4
A5
A6
A7
A8
CAL
04-09-2019
08:11:45
S1
S2
7.0 ppm
7.4 ppm
– – – –
– – – –
– – – –
– – – –
– – – –
– – – –
Alarms View
Alarm acknowledge status (Y/N)
Alarm source Alarm status
Setpoint

ID Setpoint Source Status Ack
04–09–2019
10 : 31: 27
CAL
AO1
AO2
AO3
AO4
6.57 mA
4.00 mA
4.00 mA
4.00 mA
16.1 %
0.0 %
0.0 %
0.0 %
Outputs View
Output value
% of output value
Analog

ID Output Percent