Specifications; Setpoint - GE 469 Manual

1 INTRODUCTION

1.2 SPECIFICATIONS

POWER SUPPLY
Options: LO / HI (must be specified with order)
Range: LO: DC: 20 to 60 V DC
AC: 20 to 48 V AC at 48 to 62 Hz
HI: DC: 90 to 300 V DC
AC: 70 to 265 V AC at 48 to 62 Hz
Power: 45 VA (max), 25 VA typical
Proper operation time without supply voltage: 30 ms
PHASE CURRENT INPUTS
CT Primary: 1 to 5000 A
CT Secondary: 1 A or 5 A (must be specified with order)
Burden: Less than 0.2 VA at rated load
Conversion Range: 0.05 to 20 × CT
at < 2 x CT: ± 0.5% of 2 × CT
Accuracy:
at ≥ 2 x CT: ± 1% of 20 × CT
1 second @ 80 × rated current
CT Withstand:
2 seconds @ 40 × rated current
continuous @ 3 × rated current
GROUND CURRENT INPUTS
CT Primary: 1 to 5000 A
CT Secondary: 1 A or 5 A (setpoint)
Burden: < 0.2 VA at rated load for 1 A or 5 A
< 0.25 VA for 50:0.025 @ 25 A
Conversion Range: 0.02 to 1 × CT primary Amps
± 0.5% of 1 × CT for 5 A
Accuracy:
± 0.5% of 5 × CT for 1 A
± 0.125 A for 50:0.025
1 second @ 80 × rated current
CT Withstand:
2 seconds @ 40 × rated current
continuous @ 3 × rated current
DIFFERENTIAL PHASE CURRENT INPUTS
CT Primary: 1 to 5000A
CT Secondary: 1 A or 5 A (setpoint)
Burden: Less than 0.2 VA at rated load
Conversion Range: 0.02 to 1 × CT
±0.5% of 1 × CT for 5 A
Accuracy:
±0.5% of 5 × CT for 1 A
1 second @ 80 × rated current
CT Withstand:
2 seconds @ 40 × rated current
continuous @ 3 × rated current
VOLTAGE INPUTS
VT Ratio: 1.00 to 150.00:1 in steps of 0.01
VT Secondary: 273 V AC (full scale)
Conversion Range: 0.05 to 1.00 × full scale
Accuracy: ±0.5% of full scale
Max. Continuous: 280 V AC
Burden: > 500 kΩ
GE Power Management
DIGITAL INPUTS
Inputs:
External Switch: dry contact < 800 Ω, or
469 Sensor Supply: +24 V DC at 20 mA max.
RTD INPUTS
RTDs: 3 wire type:100 Ω Platinum (DIN.43760)
RTD Sensing Current: 5mA
Isolation:
Range:
Accuracy:
Lead Resistance: 25 Ω Max per lead for Pt and Ni type
No Sensor:
Short/Low Alarm: < –50°C
TRIP COIL SUPERVISION
Applicable Voltage: 20 to 300 V DC / V AC
Trickle Current:
ANALOG CURRENT INPUTS
Current Inputs:
Input Impedance: 226 Ω ±10%
Conversion Range: 0 to 21 mA
Accuracy:
Type:
Analog Input Supply: +24 V DC at 100 mA max.
Response Time: ≤ 100 ms
COMMUNICATIONS PORTS
RS232 Port:
RS485 Ports:
Baud Rates:
Parity:
Protocol:
469 Motor Management Relay
1.2 SPECIFICATIONS
1.2.1 469 SPECIFICATIONS
9 opto-isolated inputs
open collector NPN transistor from sen-
sor; 6 mA sinking from internal 4 KΩ pull-
up at 24 V DC with Vce < 4 V DC
100 Ω Nickel
120 Ω Nickel
10 Ω Copper
36 Vpk
(isolated with analog inputs and outputs)
–50 to +250°C
±2°C
3 Ω Max per lead for Cu type
>1000 Ω
2 to 5 mA
0 to 1 mA, 0 to 20mA or 4 to 20 mA

(setpoint)

±1% of full scale
passive
1, Front Panel, non-isolated
2, Isolated together @ 36 V
pk
RS485: 300, 1200, 2400, 4800, 9600,
19200
RS232: 9600
None, Odd, Even
®
Modbus RTU / half duplex
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