Endress+Hauser Proline Promag 300 - Page 34

Proof testing Proline Promag 300 HART
34 Endress+Hauser
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1
A
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 2 External verification taking the example of a passive current output
1 Automation system with current input (e.. g. PLC)
2 Power supply unit
3 Ammeter
4 Transmitter
1. Connect the ammeter to the transmitter by looping it in series into the circuit.
2. Connect the power supply unit.
Evaluation of results: Testing of current output 1
The amount of deviation between the measured current and the set point must not exceed the
measured error specified for the safety function. The deviation should not exceed ±1 % /
±300 µA.
‣
Follow the information in the section on "Restrictions for use in safety-related applications,
information on measured errors" →  17.
Parameter overview with brief description
Parameter Prerequisite Description Selection / User
entry
Factory setting
Current output
1 to n simulation
– Switch the simulation of
the current output on and
off.
On Off
Current output
value
In the Current output
1 to n simulation
parameter, the On option
is selected.
Enter the current value for
simulation.
• 1. Default
value: Select
4.0 mA.
• 2. Default
value: Select
20.0 mA.
3.59 to 22.5 mA
3.59 mA
7.1.3 Test sequence: Inspection and on-site visual check
At the transmitter, check the correct sealing function of all the electronics compartment cover
seals and cable entries.