GE EPM 5300 Instruction Manual page 78

CHAPTER 12: GROUPS 4, 5, AND 6 – SET LIMITS AND RELAYS
THERE ARE 3 SWITCHES TO SET WITH LIMITS:
1) Switch 1: Sets the limit to trip either above or below the Limit Value.
2) Switch 2: Sets whether Relay 1 will trip when the condition occurs.
3) Switch 3: Sets whether Relay 2 will trip when the condition occurs.
After the switches are set, the limit value should be programmed (see table in section 12.4).
LM1 LM2
LED LED
ON OFF Digit Up-trigger above value
OFF ON Digit Up-trigger above value
LM1
ON
OFF
Thus, if Kilowatts exceed 120 W, LM1 is triggered and Relay 1 is tripped.
If the Kilowatts fall below 90 W, LM2 is triggered and Relay 2 is tripped.
SPECIAL CASES
FREQUENCY: FUNCTION 4 contains a permanent decimal after the second digit. The highest and
lowest level limits that can be programmed are 99.99 and 00.00, respectively.
POWER FACTOR: FUNCTIONS 3 and 6 contain a permanent decimal after the first digit. The highest
and lowest limits that can be programmed are 1.000 and 0.000, respectively.
74
SWITCH 1
ABOVE/BELOW
Digit Down-trigger below
value
Digit Down-trigger below
value
Table 12.5: Group 5: Functions 0–7
LM2 SWITCH 1
OFF Digit Up
ON Digit Down
Table 12.6: Group 5: Example for Function 0
EPM 5000 series Advanced Power Meters
SWITCH 2
RELAY 1
Digit Up-enabled Digit Up-enabled
Digit Down-
disabled
Digit Up-enabled Digit Up-enabled
Digit Down-
disabled
SWITCH 2 SWITCH 3
Digit Up Digit Down
Digit Down Digit Up
SWITCH 3 VALUE
RELAY 2
0-9999
Digit Down- 0-9999
disabled
0-9999
Digit Down- 0-9999
disabled
VALUE
0120
0090
GE Multilin