Berthold Duo Xpert LB 478 MPLM, Operating Manual

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LB 478 MPLM 7 Main Menu Device Setup
56925-8BA2 Rev.00, 07/2019
65
AO Failure Mode
Device Setup | Setup | Output | Analog Output (AO) | AO Failure Mode
The alarm function is set when an error is detected at the current output in the
window “Error mode”.
1
2
3
4 Selection arrow Alarm function
Live target value [mA]
Live actual value [mA]
Selection of the alarm function
Fig. 47 Analog output (AO Failure Mode)
The following behaviour of the current output can be assigned in case of error:
Namur High 22 mA (in error mode).
Namur Low 2 mA (in error mode).
Hold Value Last value before the error.
User-defined value The value can be set manually.
NOTICE
If the value "Hold Value" is set, it is recommended that the error relay is con-
nected in order to allow device errors to be transmitted to the control system.