Output Relay 3 (F7) Start Inhibit - GE 869 Instruction Manual

OUTPUTS
Output Relay 3 (F7)
Start Inhibit
Virtual Outputs
4–106
Auxiliary Relay 3 is reserved on 869 for the Start Inhibit function. The default setting to
trigger the relay, (setpoint Operation) is set to the Start Inhibit FlexLogic operand. To avoid
erroneously using the output for any other purpose, Aux. Relay 3 is always hidden from
the list of available relays. The use of start inhibit is to prevent the start of the motor, as is
illustrated in Figure 2-3:Typical wiring diagram – Draw-out
Path: Setpoints > Outputs > Output Relays > Start Inhibit
NAME
Range: Up to 13 alphanumeric characters
Default: Start Inhibit
This setpoint is used to name the auxiliary output relay by selecting up to 13
alphanumeric characters. The relay is named Start Inhibit as the factory default.
OPERATE
Range: Off, Any FlexLogic operand
Default: Start Inhibit
This setpoint provides for the selection of any operand from the list of FlexLogic or
communications operands, which can be used to energize auxiliary Output Relay 3. The
Start Inhibit operand is programmed as factory default to energize this relay.
Descriptions for all the other setpoints under Start Inhibit are identical to those of the
Auxiliary Relay Outputs.
The 869 relay is equipped with 96 virtual outputs that may be assigned for use via
FlexLogic. Virtual outputs not assigned for use are set to OFF (Logic 0).
A name can be assigned to each virtual output. Any change of state to a virtual output can
be logged as an event if programmed to do so. Virtual outputs are resolved in each
protection pass via the evaluation of FlexLogic equations.
For example, if Virtual Output 1 is the trip signal from FlexLogic and the trip relay is used to
signal events, the settings would be programmed as follows:
Virtual Output 1 NAME: Trip
Virtual Output 1 Events: Enabled
Path:
Setpoints > Outputs > Virtual Outputs > Virtual Outputs 1 (32)
NAME
Range: up to 13 alphanumeric characters
Default: VO 1
An alphanumeric name may be assigned to a virtual output for diagnostic, setting, and
event recording purposes.
EVENTS
Range: Disabled, Enabled
Default: Disabled
unit.
869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 4: SETPOINTS