CHAPTER 12: GROUPS 4, 5, AND 6 – SET LIMITS AND RELAYS

LM1 LED

LM2 LED

ABOVE/BELOW

RELAY 1

RELAY 2

VALUE

ON

OFF

Digit Up

Digit Up

Digit Down

0135

OFF

ON

Digit Down

Digit Down

Digit Up

0090

Table 12.3: Group 4: Example for Function 0

EXAMPLE: If voltages exceed 135 V, LM1 is triggered and Relay 1 is enabled. If the voltages fall below 90 V, LM2 is triggered and Relay 2 is enabled.

12.4: Group 5, Functions 0–7—LM1/LM2 Set Limits

U S E V O L T S T O

T O G G L E B E T W E E N L M 1 A N D L M 2 .

T H E L IM IT V A L U E

M A X

A C V O L T S

A

B

C

A

B

C

 

M I N

N

N

N

B

C

A

L M 1

 

 

 

 

 

 

L M 2

A C A M P S

 

 

 

 

 

A

B

C

N

 

 

 

 

P O W E R

 

 

 

 

P F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

K V A

 

 

 

 

 

 

K V A H

 

 

 

 

K W H

 

 

 

F R E Q

 

 

K V A R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

M A X / M IN

 

V O L T S

 

A M P S

 

 

P O W E R

 

P H A S E

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L I M I T S

 

N E X T

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

F R O M L E F T T O R IG H T : S E T L IM IT A B O V E /B E L O W , T R IP R E L A Y 1

A N D T R IP R E L A Y 2

S IN C E T H IS IS G R O U P 5 , F U N C T IO N 0 , T H E K W A N N U N C IA T O R

G L O W S

GROUP 5 contains LM1 and LM2 set limit values for all power functions. This allows the user to program limits for the following functions: Kilowatt, Kilovar, Kilovolt-ampere, Power Factor, Frequency, negative Kilovar, negative Power Factor, and negative Kilowatt.

GROUP AND FUNCTION NUMBER

FUNCTION

50.

LM1/LM2 Set Limits for Kilowatt

51.

LM1/LM2 Set Limits for Kilovar

52.

LM1/LM2 Set Limits for Kilovolt-ampere

53.

LM1/LM2 Set Limits for Power Factor

54.

LM1/LM2 Set Limits for Frequency

55.

LM1/LM2 Set Limits for Negative Kilovar

56.

LM1/LM2 Set Limits Negative Power Factor

57.

LM1/LM2 Set Limits for Negative Kilowatt

5E.

Exit Programming GROUP 5

Table 12.4: Group 5 Programming Format for Limit Condition

GE Multilin

EPM 5000 series Advanced Power Meters

73

Page 77
Image 77
GE EPM 5350, EPM 5200, EPM 5300 instruction manual Group 5, Functions 0-7-LM1/LM2 Set Limits