ABB CM30 - Diagnostics

ControlMaster CM30 and CM50
Universal process controllers,
1
/4 and
1
/2 DIN 7 Advanced Level
IM/CM/ED–EN Rev. B 59
7.9 Diagnostics
Used to view diagnostic and performance (historical) data – see Section 7.9.1
for description of diagnostic messages and recommended corrective action(s).
Diagnostic History Displays a log of the diagnostic messages generated by the controller. Each diagnostic
condition has a classification code conforming to NAMUR NE107.
Source Analysis
Analog Sources Enables the current value of any analog source to be viewed.
Analog Source Selects the analog signal to be viewed – see Section 7.9.1, page 60.
View Value Displays the value of the analog signal selected.
Digital Sources Enables the current state of any digital source to be viewed.
Digital Source Selects the digital signal to be viewed – see Appendix A.1 on page 79.
View State Displays the state of the digital signal selected.
Invalid Sources Select edit to display any invalid analog or digital sources that are used in the configuration.
Reasons for invalid sources include:
 Hardware not fitted
 Software not fitted
 Digital I/O configured as wrong type
 Alarms not configured
 Math, logic, timer or custom linearizer not configured
Menu
Diagnostics
Exit
Select
178.025
S
In Configuration
n : 2
: 00h 04m 07s
tn : 01h 03 m 15s
Configuration
-- C178.025 --
C
S
n =
tn =
=
Internal
Code
Diagnostic priority
Highest value = 250
Number of instances of 
this diagnostic condition
Total time spent in this diagnostic 
condition
Time since the last instance of 
this diagnostic condition
M = Maintenance
S = Out of Spec
C = Check Function
F = Failure