Process Errors Without Message; Response Of Outputs To Errors; Software History - Endress+Hauser Dosimag Operating Instructions Manual

Diagnostics and troubleshooting
40
10.4.1

Process errors without message

Symptoms
Measured-value reading shown on
display, even though the fluid is at
a standstill and the measuring tube
is full.
The fault cannot be rectified or
some other fault not described
above has occurred.
Contact the E+H service
organization responsible.
10.4.2

Response of outputs to errors

The failsafe mode of the pulse, frequency and status output can be set differently via
the DeviceCare or FieldCare operating program.
Error response mode of the pulse and status output
Output Failsafe mode

Pulse output The failsafe mode of the pulse output can be set differently using the DeviceCare or
FieldCare operating program:
FALLBACK VALUE
Signal output → No pulses
ACTUAL VALUE
Fault is ignored, i.e. normal measured value output on the basis of ongoing flow
measurement

Notice messages do not have any effect on the pulse output! See information on.

Frequency output The failsafe mode of the frequency output can be set differently using the DeviceCare
or FieldCare operating program.

Status output The assignment of the status output can be defined via the DeviceCare or FieldCare
operating program.
In the event of a fault, notice message or power supply failure → the status output is not
conductive
10.4.3

Software history

Date Software version
01.08.2014 3.00.zz
01.05.2006 2.02.00
15.07.2005 2.01.00
01.12.2003 1.00.00
Remedial measures
• Check whether there are gas bubbles in the fluid.
• Activate the "LOW FLOW CUTOFF" function, i.e. enter or increase the
value for the switching point.
The following options are available for tackling problems of this nature:
• Request the services of an Endress+Hauser service technician.
Be ready with the following information when requesting the services
of a service technician from customer service:
– Brief description of the fault
– Nameplate specifications (→  1,  11): order code and serial
number
• Returning devices to Endress+Hauser
Make sure to comply with the procedures on how to return a measuring
device. (→  46)
Changes to software
• Original software
• Compatible with DeviceCare and FieldCare
New functionality:
• Automatic pulse width
• On-value and off-value status output
Additional "symmetry" option for pulse output
• Original software
• Compatible with Fieldtool
Dosimag
Operating Instructions
13.14
Batch versions:
01.14
71026628/05.06
50107137/10.05
–
Endress+Hauser