GE EPM 5200 Benutzerhandbuch
EPM 5300 SERIES ADVANCED POWER METERS – INSTRUCTION MANUAL
12–89
EPM 5300 Series Meters
Chapter 12: Groups 4, 5 and 6—
Set Limits and
Relays
Relays
GE Consumer & Industrial
Multilin
Multilin
Groups 4, 5 and 6—Set Limits and Relays
The EPM 5300P -NL offers a comprehensive limit and set point functionality. The user can
program above or below limits for every reading, including %THD. When a voltage or
current measurement exceeds a particular value, the set limit is triggered and alerts the
user. Each limit can trigger two internal Form C dry contact relays for alarm or secondary
protection.
program above or below limits for every reading, including %THD. When a voltage or
current measurement exceeds a particular value, the set limit is triggered and alerts the
user. Each limit can trigger two internal Form C dry contact relays for alarm or secondary
protection.
The EPM 5300P offers two set limit points available for each measured function: LM1 and
LM2. Each limit can be set at any desired level. Note: The EPM 5200P does not have limit
setting capability.
LM2. Each limit can be set at any desired level. Note: The EPM 5200P does not have limit
setting capability.
FIGURE 12–1: Example of LM1/LM2 Set Limits
LM1 AND LM2 SET LIMITS
PHASES
CURRENT
0
20
40
60
80
100
120
A
B
C
120
40
LM1 is triggered
LM2 is triggered
50
(AMPS)
80
LM1 SET TO
TRIGGER ABOVE
100 AMPS.
TRIGGER ABOVE
100 AMPS.
LM2 SET TO
TRIGGER BELOW
50 AMPS.
TRIGGER BELOW
50 AMPS.