KROHNE OPTIFLEX 2200C SIL - Manual (Page 14)

7
OPERATION
14
OPTIFLEX 2200 C
www.krohne.com 01/2013 - 4000738603 - AD SIL OPTIFLEX 2200 R03 en
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:
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 conditon.
5b No. There is not an error condition.
6 Distance measurement
7 Is a correct measurement available?
7a No. A correct meaurement is not available.
7b Yes. A correct meaurement 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.