Basler Electric BE1-50/51B-241 User Manual
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9252000792 Rev D
b.
Set circuit board switch SW3 as follows:
SW3-1 = ON for 50 Hz operation or OFF for 60 Hz operation
SW3-2 = OFF (no additional time delay for the 50-A element)
SW3-3 = ON (Westinghouse CO/COM type characteristic curves)
SW3-4 = ON (integrating reset characteristic)
c.
Set TIME DIAL to 0.0.
d.
Set CURVE to S.
e.
Set TIME PICKUP to 15.0.
f.
Set INST PICKUP (50-A) to 90.
g.
Set INST PICKUP (50-B) (accessed at the top side of the assembly) to 20 (2.0 Aac).
2.
Apply and slowly increase current to terminals 8 and 9 until the 50-B output contacts close. The
applied current should be between 1.935 and 2.065 Aac.
3.
Decrease the applied current until the 50-B output contacts open.
4.
Set INST PICKUP (50-B) to 80 (8.0 Aac).
5.
Slowly increase the current applied to terminals 8 and 9 until the 50-B output contacts close. The
applied current should be between 7.815 and 8.185 Aac.
6.
Reduce the applied current to zero.
Figure 11. 50-B Pickup Test Setup
Target Indicators
1.
Connect and configure the relay for target indicator testing:
a.
Connect the test setup shown in Figure 12.
b.
Set circuit board switch SW3 as follows:
SW3-1 = ON for 50 Hz operation or OFF for 60 Hz operation
SW3-2 = OFF (no additional time delay for the 50-A element)
SW3-3 = ON (Westinghouse CO/COM type characteristic curves)
SW3-4 = ON (integrating reset characteristic)
c.
Set TIME DIAL to 0.0.
d.
Set CURVE to S.
e.
Set TIME PICKUP to 1.0.
f.
Set INST PICKUP (50-A) to 90.
Testing
BE1-50/51B-241