Menu Plan Ultrasonic Sensor - KROHNE Display and adjustment module for OPTISOUND sensors Operating Instructions Manual

HART mode
Display and adjustment module for OPTISOUND sensors •
Current output
Characteristics
Failure mode
1)
Min. current
2)
The values in bold font represent the data of the factory setting.
In HART multidrop mode, the current is constantly 4 mA. This value
does not change even in case of failure.
Current output
Output mode: 4-20 mA
Failure mode: 22 mA
Min. current: 3.8 mA
HART offers standard and multidrop mode.
The mode standard with the fixed address 0 means output of the
measured value as 4 ... 20 mA signal.
In Multidrop mode, up to 15 sensors can be operated on one two-wire
cable. An address between 1 and 15 must be assigned to each sen-
sor.
3)
In this menu item you determine the HART mode and enter the ad-
dress for multidrop.
HART mode
Standard
Address 0
The default setting is standard with address 0.
5.4

Menu plan ultrasonic sensor

Information:
Depending on the version and application, the highlighted menu
windows may not always be available.
Value of the current output in case of failure, e.g. if no valid measured value is
1)
delivered.
This value is not underrun during operation.
2)
The 4 ... 20 mA signal of the HART sensor is switched off. The sensor
3)
consumes a constant current of 4 mA. The measuring signal is transmitted
exclusively as digital HART signal.
4 ... 20 mA
20 ... 4 mA
Hold value
20.5 mA
22.0 mA
< 3.6 mA
3.8 mA
4 mA
5 Setup
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