Voltage control test – Basler Electric BE1-51/27C User Manual

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9137200998 Rev E

Step 11. Record the current reading. Remove input current (the front panel TIMING indicator should

extinguish).

RESULT: The recorded value should be greater than 40 times the front panel TAP selector A
setting for the maximum overcurrent pickup point for the instantaneous 1 overcurrent element.

Note

For relays having neutral sensing (Sensing Input Types D, T, or J)
perform Step 12. Otherwise, proceed to Step 13.

Step 12. For the neutral sensing, connect the relay as shown in Figures 32 and 34, then repeat Steps 2

through 11, substituting the following:

(a) The front panel TAP (NEUTRAL) selector instead of the front panel TAP selector (Step 3).

(b) The front panel INST 1 (NEUTRAL) control instead of the front panel INST 1 control

(Step 4)

Note

For relays with Option 1-2 (Inst. 2 elements), perform Step 13.
Otherwise, the test ends here.

Step 13. Reconnect the test setup to the INST 2 output terminals (11 and 12) as shown in Figure 30,

then repeat Steps 4 through 11, substituting the following:

(a) Front panel INST 2 control instead of the front panel INST 1 control (Step 3).

(b) Front panel FUNCTION-INST 2 target instead of the front panel INST 1 target (Step 4).

Voltage Control Test

This test checks the voltage control minimum and maximum limits for the voltage inhibit levels.

Step 1.

Perform the Preliminary Instructions.

Step 2.

Set the front panel TAP selector to B.

Step 3.

Adjust the front panel TIME DIAL to 20.

Step 4.

Adjust for an overcurrent threshold of 2 times the front panel TAP selector B setting.

Step 5.

Rotate the front panel VOLTS INHIBIT ADJ or VOLTAGE INHIBIT ADJ fully CCW.

Step 6.

Adjust the test voltage to its minimum voltage setting, and then slowly increase the voltage until
the appropriate front panel VOLTS INHIBIT or VOLTAGE INHIBIT indicator just illuminates. Do
not disturb this setting.

RESULT: The voltage should be <40 Vac.

Step 7.

Apply input current to the relay and initiate the test setup timer.

RESULT: The front panel TIMING indicator does not illuminate which signifies that the relay-
timed output is inhibited.

Step 8.

Remove input current and reset the test setup timer.

Step 9.

Rotate the front panel VOLTS INHIBIT ADJ or VOLTAGE INHIBIT ADJ fully CW.

Tests and Adjustments

BE1-51/27C