Group 6, Functions 0-5-Lm1/Lm2 Set Limits And Relay Triggers For Over/Under %Thd Conditions; Limits Or Relays Programming Procedure - GE EPM 5300 Instruction Manual

CHAPTER 12: GROUPS 4, 5, AND 6 – SET LIMITS AND RELAYS
12.5: Group 6, Functions 0–5—LM1/LM2 Set Limits and Relay Triggers for
Over/Under %THD Conditions
LM1 LED LM2 LED
ON OFF
OFF ON
So, if THD exceeds 12%, LM1 is triggered and Relay 1 is enabled.
If THD falls below 9%, LM2 is triggered and Relay 2 is enabled.

12.6: Limits or Relays Programming Procedure

NOTE: The procedure for programming any limit or relay for each group is identical. The example below
signifies the exact procedure for programming a Limit/Relay for GROUPS 4–6.
—Group 4 is used as an example.
NOTE: Press MAX/MIN/LIMITS at any time to cancel before storing the last digit or switch.
GROUP
MAX
MIN
LM1
LM2
KVAH
MAX/MIN
LIMITS
Step 1:
a. Enter Group Level of Programming Mode
(see Chp. 8).
b. Press MAX/MIN/LIMITS until 4. appears in upper
display.
c. Press AMPS to activate the Group.
76
SWITCH 1
ABOVE/BELOW
Digit Up
Digit Down
Table 12.9: Group 6—Example for Function 0
AC VOLTS
B C
A C A B
N N C A
N B
AC AMPS
A B C N
POWER
PF
KW
KVA
KWH FREQ KVAR
PHASE
POWER
VOLTS AMPS
NEXT
EPM 5000 series Advanced Power Meters
SWITCH 2
RELAY 1
Digit Up
Digit Down
MAX
MIN
LM1
LM2
LIMIT
VALUE
KVAH KWH
MAX/MIN
VOLTS AMPS
LIMITS
Step 2:
a. Press MAX/MIN/LIMITS to select desired Function.
! Middle display provides the currently selected value
for whether to trip above or below, activate Relay 1
and activate Relay 2.
Left Switch: UP position indicates above tripping
value for lower display's value. DOWN position
indicates below tripping.
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 VOLTS to toggle between LM1 and LM2
settings.
! The LM1 or LM2 annunciator indicates the limit
being displayed.
SWITCH 3 LEVEL
RELAY 2
Digit Down 012.0
Digit Up 009.0
AC VOLTS
A B C A B C
FUNCTION
N N N B C A
AC AMPS
A B C N
RELAY
SWITCHES
POWER
PF
KW
KVA
FREQ KVAR
PHASE
POWER
NEXT
GE Multilin