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OPERATION
7
7.3 Operation mode
In operational conditions, the device continuously measures the distance between the tank
connecting flange face / thread stop and the surface of the product.
The operation mode of the device is shown in the flow chart that follows:
20
1
Initial state (start the device / new measurement)
2
Make sure that sufficient energy is available
3
Is there sufficient energy?
3a
No. There is not sufficient energy.
3b
Yes. There is sufficient energy.
4
The device does an auto-diagnostic check at
intervals of 24 hours
5
Is there an error condition?
5a
Yes. There is an error condition.
5b
No. There is not an error condition.
6
Distance measurement
7
Is a correct measurement available?
7a
No. A correct measurement is not available.
7b
Yes. A correct measurement is available.
8
Error mode state
9
Current output (distance value or a derived
measurement value)
10
Is the current output setting correct?
10a
No. The current output setting is incorrect.
10b
Yes. The current output setting is correct.
www.honeywell.com/ps
SMARTLINE® RM77
34-VF-25-105 iss.1 GLO April 15 US
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