ABB ETL600 Instruction Manual page 339

Revision:
A
1. Select Equipment / Commissioning and maintenance / Frequency response /
APLC channel 1, APLC channel 2 or APLC channel 3, respectively.
2. In the following message box click OK and wait until measurement is done. The dialog
box Select equalizer appears.
C.7.2 Select Equalizer
For each APLC channel, an equalizer can be selected under Equipment / Commissioning and
maintenance / Select Equalizer / APLC channel 1, APLC channel 2 or APLC channel 3,
respectively.
1. Select the new equalizer:
In the field New equalizer, activate checkbox Amplitude response equalisation only.
2. External teleprotection equipment connected to ETL600 suffer from the additional delay
introduced by the equalizer. To reduce this delay, select type None or Short in the frame
New equalizer of the dialog box Select equalizer.
If delay is uncritical, select type Middle or Long in the frame New equalizer of the dialog
box Select equalizer.
3. View the amplitude response by clicking View. If the amplitude response is acceptable,
go back to the Select equalizer dialog and select the viewed settings again. Download
the new equalizer settings by clicking Download. The equipment is reset now.
4. Wait until the equipment has restarted. The new equalizer is active now.
5. Exit.
C.8 Testing of R1BC, if present
For testing the R1BC, refer to the client specific setting instructions. Depending upon the
programmed criteria, activate the required alarms using the following table. Check the contact
closure of the programmed relays on R1BC. Restore the link after this test is completed.
Alarm on R1BC
Warning LED on P4LT/P4LU
Link alarm
Hardware (HW) alarm
Interface alarm,
P4LT alarm / P4LU alarm
System alarm (i.e. cabinet alarm)
C.9 Configure Real Time Clock (RTC)
The real time clock has to be set to the actual date and time for proper operation of the event
recorder.
C.9.1 Setting real time clock
Setting the date and time using HMI600:
1. Open the menu Equipment / Commissioning and maintenance / Eventrecorder / Set
Clock.
2. In the Real Time Clock (RTC) dialog box, check if PC time and PC date are correct.
3. Click Download date/time to RTC
This sets the RTC to the given date and time.
4. Click Upload date/time from RTC
The date and time displayed at Read RTC date & time part of the Real Time Clock (RTC)
box should be correct.
5. Click Cancel
Language: Page:
EN 9/28
Action to enforce the alarm
Activate a testtone in the 'Adjust Tx RF level' dialog box
Disconnect the RF line coaxial cable
Unplug the RF hybrid.
In case an external real time clock is configured and
connected: Disconnect the clock input to P4LT/P4LU.
In case no external real time clock is configured: Configure
it (dialog box 'Configuration / System / Channel settings /
Event recorder: Ext. real time clock sync available').
Enforce either Link alarm or HW alarm
1KHW001495-EN