Table of Contents
Advertisement
DR5200
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:
DR5200-LM SIL2 Issue 2
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 parameter set for the current output
correct?
10a
No. The parameter set for the current output is
incorrect.
10b
Yes. The parameter set for the current output is
correct.
www.drexelbrook.com
OPERATION
7
14
Advertisement
Table of Contents
