Digital Counters - GE UR F35 Series Instruction Manual

Multiple feeder protection system

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5.7 CONTROL ELEMENTS

The wiring connection for two examples above is applicable to both form-A contacts with voltage monitoring and

solid-state contact with voltage monitoring.

PATH: SETTINGS

CONTROL ELEMENTS

There are 8 identical digital counters, numbered from 1 to 8. A digital counter counts the number of state transitions from

Logic 0 to Logic 1. The counter is used to count operations such as the pickups of an element, the changes of state of an

external contact (e.g. breaker auxiliary switch), or pulses from a watt-hour meter.

Figure 5–72: TRIP CIRCUIT EXAMPLE 2

DIGITAL COUNTERS

FUNCTION: Disabled

COUNTER 1 NAME:

COUNTER 1 UNITS:

COUNTER 1 PRESET:

COUNTER 1 COMPARE:

COUNTER 1 UP:

COUNTER 1 DOWN:

COUNTER 1 BLOCK:

CNT1 SET TO PRESET:

COUNTER 1 RESET:

COUNT1 FREEZE/RESET:

COUNT1 FREEZE/COUNT:

F35 Multiple Feeder Protection System

COUNTER 1(8)

Range: Disabled, Enabled

Range: 12 alphanumeric characters

Range: 6 alphanumeric characters

Range: –2,147,483,648 to +2,147,483,647

Range: FlexLogic™ operand

5.7.8 DIGITAL COUNTERS