41-971.3M
Type HCB-1 Pilot Wire Relay System
24
Figure 11: Typical Test Output vs. Input Relay Current in a
Two-Terminal Line with Zero Pilot-Wire Resistance.
Figure 11:
Figure 12: Typical Test Output vs. Relay Current in a Two-
Terminal Line with 2000 Ohm Pilot-Wire Resistance with or
without 10 mfd Capacitor.
Figure 13: Typical Curve of Relay Output vs. Positive Se-
quence Input - Test Switch in Local Position.
Figure 14: Outline and Drilling Plan of S#290B664G65
Balancing Resistor for Three-Terminal Line Application.
Sub 1
538103
Sub 1
538101
Sub 1
880A797
Sub 1
538102
Summary of Contents for HCB-1
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Page 22: ...41 971 3M Type HCB 1 Pilot Wire Relay System 22 Figure 10 Typical HCB 1 Relay System ...
Page 23: ...Type HCB 1 Pilot Wire Relay System 41 971 3M 23 Sub 15 4810D98 ...
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