BE1-25/79TR Testing
5-12
CALIBRATION
To calibrate the relay, perform the following steps.
Step 1.
Perform the preliminary setup procedures.
Step 2.
Operate the Settings Select UP or DOWN switch and observe SETTINGS MDE indicated on
display.
Step 3.
Operate the Settings Select UP or DOWN switch until CAL MODE NO is indicated on display.
Step 4.
Operate the Status/EDIT Up switch and observe CAL MODE YES indicated on display.
Step 5.
Operate the Reset switch while holding the Status/EDIT Up and observe Sel Sys Freq
indicated on display.
Step 6.
To select 50 Hz or 60 Hz operation, operate Settings Select UP or DOWN switch:
UP for 60 Hz?
DOWN
for 50 Hz?
Step 7.
Verify the selection of system frequency by operating Status/EDIT Up switch and observe that
the following is displayed.
60 Hertz
Cal Mode 3 ph and Apply 110V if relay is 3 phase.
Cal Mode 1 ph and Apply 110V if relay is 1 phase.
50 Hertz
Cal Mode 3 ph and Apply 100V if relay is 3 phase.
Cal Mode 1 ph and Apply 100V if relay is 1 phase.
Step 8.
Apply specified voltage to bus and line inputs then operate the Settings Select UP for at least
one second.
Step 9.
Observe the results.
If a good calibration was achieved, the display will flash the following different displays.
If single phase type relay:
Phase Cal
Line 1 Ph
Cal OK Line
Bus 1 Ph
Cal OK Bus
followed by: 1 Ph Rng Done.
Summary of Contents for BE1-25/79TR
Page 1: ...05647 6 10 07 14 19 241 5 0 4 15 0 4 64 Publication 9 2787 00 990 Revision B 07 95...
Page 27: ...BE1 25 79TR Controls and Indicators 2 7 Figure 2 7 Front Panel Vertical Mount Relay...
Page 29: ...BE1 25 79TR Functional Description 3 2 Figure 3 1 Functional Block Diagram...
Page 60: ...BE1 25 79TR Installation 4 8 Figure 4 9 RS 232 Interconnection Diagram For IBM Type Computers...
Page 63: ...BE1 25 79TR Testing 5 2 REAR VIEW FRONT VIEW Figure 5 1 BE1 25 79TR Test Simulator...
Page 64: ...BE1 25 79TR Testing 5 3 Figure 5 2 BE1 25 79TR Test Simulator Schematic Diagram Sheet 1 of 2...
Page 65: ...BE1 25 79TR Testing 5 4 Figure 5 3 BE1 25 79TR Test Simulator Schematic Diagram Sheet 2 of 2...
Page 66: ...BE1 25 79TR Testing 5 5 Figure 5 4 Test Setup Diagram...