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CHAPTER 12: GROUPS 4, 5 AND 6—SET LIMITS AND RELAYS GROUP 5: FUNCTIONS 0–7—LM1/LM2 SET LIMITS
EPM 5300 SERIES ADVANCED POWER METERS – INSTRUCTION MANUAL 12–95
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.
Table 12–5: Group 5: Functions 0–7
LM1
LED
LM2
LED
SWITCH 1
ABOVE/BELOW
SWITCH 2
RELAY 1
SWITCH 3
RELAY 2
VALUE
ON OFF
Digit Up-trigger above value
Digit Down-trigger below value
Digit Up-enabled
Digit Down-disabled
Digit Up-enabled
Digit Down-disabled
0-9999
0-9999
OFF ON
Digit Up-trigger above value
Digit Down-trigger below value
Digit Up-enabled
Digit Down-disabled
Digit Up-enabled
Digit Down-disabled
0-9999
0-9999
Table 12–6: Group 5: Example for Function 0
LM1 LM2 SWITCH 1 SWITCH 2 SWITCH 3 VALUE
ON OFF Digit Up Digit Up Digit Down 0120
OFF ON Digit Down Digit Down Digit Up 0090