GE P50 Agile P253 - 2.2 Functional Overview

1 Introduction
P50 Agile P253
1-6
P253/EN M/C
• Rear EIA (RS) 485 port for SCADA communication
• Multiple protocols - Modbus/ IEC60870-5-103 or DNP3.0 (ordering option)
2.2 Functional Overview
ANSI FUNCTION P253
14 Speed switch input (for stall rotor detection)
•
48 Prolonged start (excessive long start)
•
51S Locked rotor (during starting)
•
51L Locked rotor (during normal running)
•
66 Excessive number of starts
•
49 Thermal Overload
•
37 Loss of load
•
46 Negative sequence overcurrent
•
50 Definite time overcurrent (short circuit protection)
•
50N Neutral/Earth definite time overcurrent
•
51 IDMT overcurrent (short circuit protection)
•
51N Neutral/Earth IDMT overcurrent
•
68 Inrush Blocking
•
50BF Circuit breaker fail
•
64R Restricted earth fault
•
86 Latching of output contacts (Lockout)
•
Control Functions
74 Trip circuit supervision
•
Watchdog function
•
Self monitoring & diagnostics
•
Test/Commissioning facilities
•
Emergency restart
•
HMI
Back-Lit LCD display
•
8 x Touch Keys
•
8 x status LEDs
•
Communication
USB port
•
Modbus/IEC 60870-5-103 (RS485) (or)
DNP3.0
•
Binary Input/Output
Binary Input
6
Binary Output
6 (c/o)
Analogue Input
Phase current input 3x1 ph
•