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OPM223/253
5
5.1
You have the following ways of operating the transmitter:
• On site via the key field
5.2
5.2.1
LED display
Operation
Quick operation guide
Display and operating elements
Display
Indicates the current operating mode, "Auto" (green LED) or
"Manual" (yellow LED)
REL 1
Indicates the activated relay in the "Manual" mode (red LED)
REL 2
Indicates the working status of relay 1 and 2
LED green: measured value within the permitted limit, relay
inactive
LED red: measured value outside the permitted limit, relay active
Alarm display, e.g. for continuous limit value overshoot.
Temperature sensor failure or system error (see error list)
Operation
23
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