Virtual Inputs - GE C30 Instruction Manual

INPUTS/OUTPUTS
Figure 5-70: Input contact debouncing mechanism and time-stamping sample timing
2
Time stamp of the first
scan corresponding to
the new validated state is
logged in the SOE record
SCAN TIME
(0.5 msec)
PROTECTION PASS
(8 times a cycle controlled by the
frequency tracking mechanism)
5
Contact inputs are isolated in groups of four to allow connection of wet contacts from different voltage sources for each
group. The
CONTACT INPUT THRESHOLDS
value is selected according to the following criteria: 17 for 24 V sources, 33 for 48 V sources, 84 for 110 to 125 V sources
and 166 for 250 V sources.
For example, to use contact input H5a as a status input from the breaker 52b contact to seal-in the trip relay and record it
in the Event Records menu, make the following settings changes:
CONTACT INPUT H5a ID
CONTACT INPUT H5a EVENTS
Note that the 52b contact is closed when the breaker is open and open when the breaker is closed.

5.8.2 Virtual inputs

SETTINGS  INPUTS/OUTPUTS  VIRTUAL INPUTS  VIRTUAL INPUT 1(64)
 VIRTUAL INPUT 1

There are 64 virtual inputs that can be individually programmed to respond to input signals from the keypad (via the
menu) and communications protocols. All virtual input operands are defaulted to "Off" (logic 0) unless the
COMMANDS
appropriate input signal is received.
5-150
USER-PROGRAMMABLE THRESHOLD
1 3
At this time, the The FlexLogic
new (HIGH) operand is going to
contact state is be asserted at this
validated protection pass
DEBOUNCE TIME
(user setting)
4
The FlexLogic TM operand
changes reflecting the
validated contact state
determine the minimum voltage required to detect a closed contact input. This
: "Breaker Closed (52b)"
: "Enabled"
VIRTUAL INPUT 1

FUNCTION: Disabled
VIRTUAL INPUT 1 ID:

Virt Ip 1
VIRTUAL INPUT 1

TYPE: Latched
VIRTUAL INPUT 1

EVENTS: Disabled
6
Time stamp of the first
TM
scan corresponding to the
new validated state is
logged in the SOE record
DEBOUNCE TIME
(user setting)
Range: Disabled, Enabled
Range: up to 12 alphanumeric characters
Range: Self-Reset, Latched
Range: Disabled, Enabled
C30 CONTROLLER SYSTEM – INSTRUCTION MANUAL
CHAPTER 5: SETTINGS
5
At this time, the new
(LOW) contact state is
validated
7
TM
The FlexLogic
operand is going to be
de-asserted at this
protection pass
TM
The FlexLogic operand
changes reflecting the
validated contact state
8
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