ABB REL 301, Instruction Manual

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I.L. 40-386.3
5-4 (10/94)
completed successfully and the system is continuously passing the self-checking rou-
tine.
STEP 2
Press the SELECT push-button until you reach the SET mode. Displayed is the firm-
ware VERSION number. Verify the VERSION number agrees with the version number
shown on the cover of this instruction literature.
NOTE: Pressing the RESET push-button, at any time, will reset the target
LED’s and cause the display to return to the METER display mode.
STEP 3
The settings used for the first test, impedance accuracy test, are shown in Table 5-4
(Table 5-5 for REL 302). Table 5-4 (or 5-5) settings should be applied to the relay at this
time.
To enter the settings, press the SELECT push-button again until the SET mode is in-
dicated. Then load all settings, one after the other, by using the following procedure to
select, set and accept
each setting. When all settings have been entered, the entire set-
tings set should be reviewed for correctness before continuing with this procedure.
Setting application example OSC Data setting:
1. Press the RAISE push-button to display the “OSC Data” setting (upper-left corner of the
display).
2. Press the ENTER push-button to enable the value to be changed.
3. Press the RAISE push-button to display “OSC Data” to “Trip”.
4. Press the ENTER push-button to accept the new setting value.
5. The LCD display of “Value Updated!” Indicates the setting change is accepted.
6. Press the RAISE push-button to display the next setting and repeat Steps 1 thru 4 above.
NOTE: The ENTER push-button must be pressed to select each setting change
individually, not the entire group of settings.
NOTE: Before continuing with this procedure verify the “Freq” and “CT Type”
settings match the line frequency and current transformer input being
used.
5.1.2 Input quantities Verification and Metering Display
STEP 4
Connect the test source according to Figure 5-4. This connection will be used for veri-
fication of the Alarm 1 relay operation and the METER mode display. This connection
will also be used for the first test.