SOMMER USH-9, Manual

Page: 97 / 132

cover the maximum expected level. See the illustration below for the default configuration.
EXAMPLE
In the default configuration the parameter IOUT1, 4 mA value is set to 0 and
IOUT1, 4-20 mA span to 10'000 mm , as illustrated below. If the USH-9 is moun-
ted at a lower height, it is recommended to keep this setting.
13.4.2 IOUT 2
The measured air temperature or a status as configured in Status limits in can be returned as an ana-
log 4…20 mA signal on pin 7 of the MAIN connector.
If the air temperature is selected as output, the span is set to 100 °C and the offset to -40°C as
default.
If one of the status options is selected and the conditions specified in Status limits are satisfied, the
output is set to high (20 mA) and otherwise to low (0 mA). The following status options are available:
ID Option Description
1 off (default) IOUT2 is inactive.
2 value, tem-
perature The air temperature is returned.
3 status, level
limit If the level exceeds the limit specified in Level limit , 20 mA is applied, oth-
erwise 0 mA.
1
3
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Manual 97