Switch Inputs - GE 239 Instruction Manual

Multilin motor protection relay
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4.6

Switch Inputs

4.6.1
Option Switch 1-2
4–46
Courtesy of NationalSwitchgear.com
OPTION SWITCH 1-2 NAME: A 20 character name can be assigned to the option
switch inputs. See Section 4.24.2.5 Programmable Message on page 4–17 to learn how
to enter the switch names. This name will appear in the following messages.
OPTION SWITCH 1-2 FUNCTION: The two option switch inputs are identical in
operation. These can be programmed to alarm, trip, energize the auxiliary relay for
process control, select alternate setpoints upon detection of closure, or disable starts
upon detection of closure in conjunction with the
in Section 4.34.3.2 Motor Data on page 4–21. In some applications start protection
may not be required. Therefore, by setting this setpoint to
the 239 can be defeated. If the setpoint is set to
condition and overload curves will be employed to protect the connected load.
OPTION SWITCH 1-2 DELAY: A delay of 0.0 to 60.0 seconds is programmed here. The
switch must remain closed for the programmed length of time in order for the 239 to
detect the condition. If the switches are not used then they should be set to off in
PROTECTION\ SWITCH INPUTS\OPTION SWITCH 1-2\OPTION SWITCH 1-2 FUNCTION
OPTION SWITCH 1-2 ALTERNATE SETPOINTS: see Section 4.7: Multi-speed Motor
below.
CHAPTER 4: PROGRAMMING
DISABLE STARTS
setpoint described
, the start protection on
YES
, the 239 will go directly into run
YES
239 MOTOR PROTECTION RELAY – INSTRUCTION MANUAL
S4:
.

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