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CHAPTER 12: GROUPS 4, 5 AND 6—SET LIMITS AND RELAYSGROUP 6: FUNCTIONS 0–5—LM1/LM2 SET LIMITS AND RELAY TRIGGERS FOR
OVER/UNDER %THD CONDITIONS
EPM 5300 SERIES ADVANCED POWER METERS – INSTRUCTION MANUAL 12–97
12.7 Group 6: Functions 0–5—LM1/LM2 Set Limits and Relay Triggers for Over/
Under %THD Conditions
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.
Table 12–9: Group 6—Example for Function 0
LM1 LED LM2 LED Switch 1 Above/Below Switch 2 Relay 1 Switch 3 Relay 2 Level
ON OFF Digit Up Digit Up Digit Down 012.0
OFF ON Digit Down Digit Down Digit Up 009.0