7 Main Menu Device Setup
LB 470 Level
138
56925BA2 Rev. 03, 11/2017
Analogue output: AO Failure Mode
Device settings | Setup | Output | Analog Output (AO) | AO Failure Mode
The alarm function is set when an error is detected at the current output in the
submenu
″
Error mode
″
.
1
2
3
4
Selection arrow Alarm function
Live target value [mA]
Live actual value [mA]
Selection of the alarm function
Fig. 121 Analogue 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.
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