Endress ESE 608 DHG ES DI DUPLEX, Руководство по эксплуатации

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38
Version: January 2013
1. The reset button
(see Figure 4-65-(2))
must be pressed
after the test has been completed so that the unit can
be used again.
1. Plug in the device and switch on.

The displayed symbol
(see Figure 4-5-(8))
indicates the re-
sult:
Symbol Significance
Yellow
Insulation fault (≤ 23 kΩ)
stays off Connected unit is OK
Table 4.3: Insulation monitoring whilst running without switching off

If an insulation fault exists and the unit was previously
OK when tested without a device connected (see insula-
tion monitoring above), the insulation fault has been
caused by the device.
2. The reset button
(see Figure 4-6-(1))
must be pressed after
switching off and disconnecting the consumer so that the
unit can be operated again.
Action Operation
Press once Acknowledge the buzzer
Press twice Reset ISO
4.7.2
Insulation monitoring with switch off
The following requirements must be met:

Generator started
1. Unplug the device
2. The circuit breaker must be in Pos. 1.
3. Press the test button
see Figure 4-6-(1))

The displayed symbol
(see Figure 4-5-(9))
and the position
of the circuit breaker indicate the result:
Symbol Result Significance
lights up red
Circuit breaker jumps to Pos. 0 and the
generator cuts out
Insulation monitoring is OK
stays off
Circuit breaker stays in Pos. 1 and the
generator continues to run
Insulation monitoring is defective
Table 4.4: Insulation monitoring plus switching off

The insulation monitoring test has been run.
Insulation monitoring
whilst running:
Function
reset/acknowledgement
button:
Requirements
Testing the insulation
monitoring: