GE Motor Protection System Configuration Settings, Overview, 1 LM10 Programmable Parameters

CHAPTER 4: FUNCTIONALITY CONFIGURATION SETTINGS

4.2Configuration Settings

4.2.1 Overview

An overview of the LM10 programmable parameters is shown below.

Table 4–1: LM10 Programmable Parameters

Parameter	Range/Options	Default	Reference
Control power transformer	200:120, 240:120, 480:120, 600:120,	240:120	page 4–31
CPT ratio	2400:120, 3000:120, 3300:120,
	4200:120, 4800:120, 5400:120,
	6000:120, 7200:120
Current transformer	27 A Sensor Pack, 90 A Sensor Pack,	100:5 Ratio	page 4–31
CT / sensor pack	75:5, 100:5, 150:5, 200:5, 225:5,
	250:5, 300:5, 400:5, 500:5, 600:5,
	700:5, 800:5
CT turns	1 to 4 in steps of 1	1	page 4–31
Starter type	FVNR, FVR, RV, 2S1W, 2S2W, Custom	FVNR	page 4–32
FLA (RUN1 and RUN2)	1.2 to 800 A in steps of 0.1	100.0 A	page 4–32
Ground fault level	0.4 to 20 A in steps of 0.2 or Off	Off	page 4–32
Ground fault timeout	0 to 2.5 seconds in steps of 0.1	0.5 sec.	page 4–32
Jam level	100 to 250% of FLA in steps of 1 or	Off	page 4–32
	Off
Jam timeout	0 to 1000 seconds in steps of 5	120 sec.	page 4–32
Stall level	330 to 600% of FLA in steps of 5 or	Off	page 4–32
	Off
Stall timeout	0 to 30 seconds in steps of 0.5	10 sec.	page 4–32
Current unbalance level	2 to 25% of FLA in steps of 1 or Off	Off	page 4–32
Current unbalance	0 to 255 seconds in steps of 1	5 sec.	page 4–32
timeout
Load loss level	15 to 100% of Full Load in steps of 1	Off	page 4–32
	or Off
Load loss timeout	0 to 255 seconds in steps of 1	60 sec.	page 4–32
Undervoltage	96 V fixed (trip delay time 0.5 sec.)	96 V	page 4–34
Overvoltage	140 V fixed (trip delay time 0.5 sec.)	140 V	page 4–34
Aux. sense 1 time delay	0.1 to 25.0 sec. in steps of 0.1 for ON	0.4 sec.	page 4–34
Aux. sense 2 time delay	state; 0.0 sec. for Disabled
Run 1 to Run 2 time delay;	0 to 600 seconds in steps of 1	0 sec.	page 4–34
Run 2 to Run 1 time delay
Under/overvoltage enable	Off, On	On	page 4–34
Maintained input switches	Off = momentary,	Off	page 4–34
	On = maintained/latched
Auto restart	Off, On	Off	page 4–34

LM10 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL 4–29