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CHAPTER 1: INTRODUCTION
ACTUAL VALUES
QUICK SETUP
SETPOINTS
MAINTENANCE
896756.cdr
339 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
Figure 3: Main Menu structure
ACTUAL VALUES
▼
QUICK SETUP
▼
SETPOINTS
▼
MAINTENANCE
M1 RELAY INFO
M2 MOTOR MAINTEN
M3 BKR MAINTENANCE
▼
M4 BKR MONITOR
M6 FACTORY SERVICE
DESCRIPTION OF THE 339 MOTOR PROTECTION SYSTEM
A1 STATUS
A2 METERING
A3 RECORDS
A4 TARGET MESSAGES
RELAY STATUS
NOMINAL FREQUENCY
PHASE CT PRIMARY
GROUND CT TYPE
VT CONNECTION
VT SECONDARY
VT RATIO
MOTOR FLA
SWITCHING DEVICE
52a CONTACT
52b CONTACT
THERMAL O/L FUNC
S/C FUNC
MECH JAM FUNC
U/CURR TRIP FUNC
GND TRIP FUNC
PH UV FUNC
S1 RELAY SETUP
S2 SYSTEM SETUP
S3 PROTECTION
S4 CONTROLS
S5 INPUTS/OUTPUTS
THERMAL PROTECTION
START PROTECTION
▼
LOCKED ROTOR CURR
SAFE STALL T COLD
THERMAL O/L PKP
UNBALANCE K FACTOR
COOL TIME RUNNING
COOL TIME STOPPED
HOT/COLD RATIO
SHORT CIRCUIT
S/C PKP
▼
S/C DELAY
MECHANICAL JAM
MECH JAM PKP
▼
MECH JAM DELAY
UNDERCURRENT
U/CURR TRIP PKP
▼
UCURR TRIP DELAY
GROUND FAULT
GND TRIP PKP
▼
GND TRIP ON RUN
GND TRIP ON START
PHASE UV
PH UV PKP
▼
PH UV DELAY
1–5
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