VAR4 / VAR12 / VAR20 - Operation Manual
Is
Page 279 of 308
sue: 03 complete, approved
18.5.6
Earth Leakage Reading
The earth leakage reading can be displayed, as described in the following steps.
1. Select
Tests
Æ
Status
.
2. Scroll and select a mainframe from the list:
[Frame#nn - ]
Mainframe: 01 to 63
Note:
Only configured mainframes are displayed.
The mainframe description will be shown on the right side of the display, if defined.
3. Move to, scroll, and select an amplifier from the slot list in the left field:
DIP = 000000 Measured [Slot#1]
Slot: 1 to 4
4. Move to, and select the
Measured
menu item:
Type I/O [Measured]
5. Move to, and select the
Earth Leak
menu item:
Surv In Surv Out DC Line [Earth Leak]
6. The earth leakage reading (ohms) is displayed:
[Earth Leakage Reading = >10M]
Note:
A warning message will be displayed if an unused slot is selected.
The earth resistance fault threshold is 500k
Ω
. An earth leakage path of <500k
Ω
between either
conductor of the speaker circuit and ground causes a fault if the Earth Leakage monitoring is set
on. See Section “
6.3.4.4 Configuring an Loudspeaker Line Earth Leakage Monitoring
”.
7. Return to the parent menu by pressing the SELECT key, or the BACK key.
Содержание VAR12
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