Cable fault pre-location
Syscompact 2000 M pro
62 / 98
822-175-2
On the IRG 2000
>
Mode
>
SIM
1. Press the
MENU
key.
2. Use the rotary knob to select the
Mode
menu item and press the rotary knob.
3. Use the rotary knob to select the
SIM
menu item and press the rotary knob.
The method is selected.
4. To start the measurement, press the rotary knob for 2 seconds.
The healthy trace is displayed.
On the system control panel
1. On the display, release a single surge by pressing the
PULSE
key.
The IRG 2000 performs two measurements and displays a second trace (faulty trace). A
cursor may be automatically placed on the fault position.
Note
: After 20 single surges, the Syscompact 2000 M pro automatically switches off for 1
minute. This prevents the SIM/MIM coupling unit from overheating.
2. If no breakdown occurs: If permitted, use the HV adjustment keys ( ) to increase the
surge voltage.
3. To stop the current measurement, press the
STOP
key.
4. If you do not wish to perform any further measurements, disable the high voltage release
by pressing the
key.
DANGER
Dangerous voltage on the test object and other live machine parts.
Danger to life,
risk of injury from high electric voltage.
5. Before touching test object, discharge, earth and short-circuit the same: at the connection
point and at the far end.
You may touch the plant parts that were under voltage only if they are visibly earthed and
short-circuited.
12.4.4 Evaluating SIM/MIM reflection images
The healthy trace and a trace of the ignited fault are displayed on the IRG 2000 time domain
reflectometer.
1
Fault position (negative reflection)
2
Cable end (positive reflection)
Summary of Contents for Sys compact 2000 M pro
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