Endress+Hauser Mycom S CLM 153 Operating Instructions Manual page 44

6 Commissioning
!
⇒
PARAM
44
6.4.8 Set up 1 – Alarm
The transmitter continuously monitors the most important functions. If an error occurs,
an error message (list of all error messages s. page 88) is set, which can trigger one of
the following actions:
• The fault-signalling contact is made active
• Current output 1 outputs the set error current (2.4 or 22 mA).
Current output 2 outputs the set error current, if it has not been configured for the
"Continuous controller" function.
• ChemoClean cleaning is started
In the list of error messages on page 88 you can see how the error numbers are
assigned according to the factory settings. However, in the "ALARM" menu, you have
the option of outputting the error messages individually to the alarm relay, the current
output or as a cleaning trigger.
Note!
• Please refer to page 88 for the complete list of possible error messages.
• Errors E001 to E029 are assigned to NAMUR functions and cannot be assigned
individually.
To enter the menu, proceed as follows:
CODE CHOICE
(default = bold)
H1 Min (2.4 mA)
Max (22 mA)
off
H2 !!Caution!!
Current output 0...20mA
and error current = 2.4 mA
leads to uncontrolled
behaviour.
H3 0000 s
(0 ... 2000s)
H4 Function
Maintenance:
Failure
⇒
INFO
Selection for error current
Set the error current at which an error message is
active.
Note in display:
Error current is in the measuring current range. If, in
Field EA3, the current range is "0 ... 20 mA" and "Min" is
selected under Alarm in Field H1.
Recommended combinations:
Current range 0...20 mA and error current max (22 mA)
or
Current range 4...20 mA and error current min (2.4 mA)
Entry of alarm delay
Delay between error occurrence and alarm trigger.
off Alarm for characteristic value monitoring
100 (only related circuits)
200 Monitoring of measured value difference for two-circuit
measurement. Entry of the maximum permitted
difference at which the maintenance or failure alarm
should be triggered.
Mycom S CLM 153
Endress+Hauser