Chapter 10 Set Limits and Relays

ÖTo program LIMITS OR RELAYS, follow these steps:

NOTE: PRESS MAX/MIN/LIMITS, AT ANY TIME, BEFORE STORING THE LAST DIGIT OR SWITCH.

AC VOLTS

4. AI BI CI AI BI CI N N N B C A

AC AMPS

A B C N

MAX MIN

LM1 LM2

 

 

 

 

 

 

 

MAX MIN

40.

_

_

_

AC VOLTS

A B C A B C

I I I I I I N N N B C A

AC AMPS

A B C N

LM1 LM2

 

 

 

 

 

 

 

 

MAX/MIN

PRINT

VOLTS

AMPS

PHASE

 

 

LIMITS

PROG

NEXT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAX/MIN

PRINT

VOLTS

AMPS

PHASE

 

 

LIMITS

PROG

NEXT

 

 

 

 

 

 

 

 

 

 

 

 

Step 1:

a.Enter Group Level of Programming Mode, (see Chapter 2).

b.Press MAX/MIN/LIMITS until 4. appears in upper display.

c.Press VOLTS to activate the Group.

Step 2:

a.Press MAX/MIN/LIMITS to select desired Function (0-3).

ÖLower display provides the currently selected value for whether to trip above or below on Relay 1 and Relay 2.

LEFT SWITCH: UP position indicates above tripping value for lower display’s value. DOWN position indicates below tripping value for lower display’s value.

MIDDLE SWITCH: UP position sets Relay 1 to trip. DOWN position doesn’t activate Relay 1 when limit condition exists.

RIGHT SWITCH: Same as Middle Switch, regarding Relay 2.

b.Press PRINT/PROG to toggle between LM1 and LM2 setting.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40

 

 

AC VOLTS

 

 

 

 

 

 

 

 

 

 

A B C

A B C

 

 

 

 

 

 

 

 

 

 

 

 

I I I

I I I

 

 

 

 

 

 

 

 

 

 

 

 

N N N B C A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

_ _

 

AC AMPS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A B C N

 

 

 

 

 

 

 

 

_

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LM2

 

 

 

MAX MIN

 

 

 

LM1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAX/MIN

PRINT

VOLTS

 

AMPS

PHASE

 

 

 

 

 

 

 

LIMITS

PROG

 

NEXT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Step 3:

a.Press VOLTS once.

ÖLower display is replaced with three dashes.

ÖThe LM1 or LM2 annunciator indicates the limit being displayed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

40.

 

AC VOLTS

 

 

 

 

 

 

 

 

 

A B C

A B C

 

 

 

 

 

 

 

 

 

 

 

I I I

I I I

 

 

 

 

 

 

 

 

 

 

 

N N N B C A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

___

 

AC AMPS

 

 

 

 

 

 

 

 

 

A B C N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LM2

 

 

 

MAX

 

MIN

 

LM1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAX/MIN

PRINT

VOLTS

AMPS

PHASE

 

 

 

 

 

 

 

LIMITS

PROG

NEXT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FOLLOW THIS STEP FOR DISABLING THE LIMIT:

a.Press VOLTS (wait 3-6 seconds) to Disable the Limit.

ÖThe Set Above/ Below will be set to below.

ÖTrip Relay 1 will be disabled.

ÖTrip Relay 2 will be disabled.

ÖThe Level of the Limit will be set to 000.

36

GE Industrial Systems

Page 40 Page 42
Page 41
Image 41
GE EPM 3000P instruction manual Set Limits and Relays, ÖTo program Limits or RELAYS, follow these steps
Page 40 Page 42

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