Dräger Pulsar 7000 Serie Instrucciones De Uso página 25

6.3.4 Checking the signal chain
NOTICE
For the duration of the maintenance work, deactivate the alarm function in the control unit if necessary. During the maintenance
work, the gas warning system issues current values of up to 20 mA.
To check the signal chain of the overall length, test currents must be issued on the 4 to 20 mA interface:
1. Connect the Pulsar Interface Adapter to the communication connector and switch on the communication mode.
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2. Connect the HART handheld terminal to the Pulsar Interface Adapter.
3. Establish the communication on the HART
4. In the 6 / Analog config menu, select 7 4-20 mA test.
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5. On the HART handheld terminal, select the test signal to be issued (current values, gas values, warning, maintenance, Beam
Block or fault).
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The HART handheld terminal displays Test active.
The transmitter LEDs indicate the "Output test currents active" maintenance mode, but not the corresponding test signal
which is present.
The selected test signal is issued on the 4 to 20 mA interface.
6. Exit the 7 4-20 mA test function
The gas warning system changes to measuring mode.
The LEDs indicate "Measuring mode".
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7. Exit the HART application.
7 Disposal
Dispose of the product in accordance with the applicable rules and regulations.
1) The gas warning system exits Test active mode automatically after 1 hour and returns to measuring mode.
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handheld terminal via the Device Description.
1)
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en
Disposal
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