Specifications - GE 469 Instruction Manual

1.2 SPECIFICATIONS

1.2SPECIFICATIONS
1
POWER SUPPLY
Options:
LO Range:
Hi Range:
Power:
Proper operation time without supply voltage: 30 ms
FUSE (HI and LO VOLT)
Current rating:
Type:
Model Number:
An external fuse must be used if the supply voltage
exceeds 250 V.
NOTE
PHASE CURRENT INPUTS
CT Primary:
CT Secondary:
Burden:
Conversion Range:
Accuracy:
CT Withstand:
GROUND CURRENT INPUTS
CT Primary:
CT Secondary:
Burden:
Conversion Range:
Accuracy:
CT Withstand:
DIFFERENTIAL PHASE CURRENT INPUTS
CT Primary:
CT Secondary:
Burden:
Conversion Range:
Accuracy:
CT Withstand:
1-4
Courtesy of NationalSwitchgear.com
LO / HI (must be specified with order)
DC: 20 to 60 V DC
AC: 20 to 48 V AC at 48 to 62 Hz
DC: 90 to 300 V DC
AC: 70 to 265 V AC at 48 to 62 Hz
45 VA (max), 25 VA typical
2.50 A
5 × 20 mm Slow-Blow Littlefuse,
High Breaking Capacity
21502.5
1 to 5000 A
1 A or 5 A (must be specified with order)
Less than 0.2 VA at rated load
0.05 to 20 × CT
at < 2 × CT: ± 0.5% of 2 × CT
at ≥ 2 × CT: ± 1% of 20 × CT
1 second at 80 × rated current
2 seconds at 40 × rated current
continuous at 3 × rated current
1 to 5000 A
1 A or 5 A (setpoint)
< 0.2 VA at rated load for 1 A or 5 A
< 0.25 VA for 50:0.025 at 25 A
0.02 to 1 × CT primary Amps
± 0.5% of 1 × CT for 5 A
± 0.5% of 5 × CT for 1 A
± 0.125 A for 50:0.025
1 second at 80 × rated current
2 seconds at 40 × rated current
continuous at 3 × rated current
1 to 5000A
1 A or 5 A (setpoint)
Less than 0.2 VA at rated load
0.02 to 1 × CT
±0.5% of 1 × CT for 5 A
±0.5% of 5 × CT for 1 A
1 second at 80 × rated current
2 seconds at 40 × rated current
continuous at 3 × rated current
469 Motor Management Relay
VOLTAGE INPUTS
VT Ratio: 1.00 to 150.00:1 in steps of 0.01
VT Secondary: 273 V AC (full scale)
0.05 to 1.00 × full scale
Conversion Range:
Accuracy: ±0.5% of full scale
Max. Continuous: 280 V AC
Burden: > 500 kΩ
DIGITAL INPUTS
Inputs: 9 opto-isolated inputs
dry contact < 400 Ω, or open collector
External Switch:
NPN transistor from sensor; 6 mA sink-
ing from internal 4 KΩ pull-up at 24 V DC
with Vce < 4 V DC
469 Sensor Supply: +24 V DC at 20 mA maximum
RTD INPUTS
100 Ω Platinum (DIN.43760), 100 Ω
3 wire RTD Types:
Nickel, 120 Ω Nickel, 10 Ω Copper
RTD Sensing Current: 5mA
Isolation: 36 Vpk
(isolated with analog inputs and outputs)
Range: –50 to +250°C
Accuracy: ±2°C
25 Ω Max per lead for Pt and Ni type
Lead Resistance:
3 Ω Max per lead for Cu type
>1000 Ω
No Sensor:
Short/Low Alarm: < –50°C
TRIP COIL SUPERVISION
Applicable Voltage: 20 to 300 V DC / V AC
Trickle Current: 2 to 5 mA
ANALOG CURRENT INPUTS
Current Inputs: 0 to 1 mA, 0 to 20mA or 4 to 20 mA
(setpoint)
226 Ω ±10%
Input Impedance:
Conversion Range: 0 to 21 mA
Accuracy: ±1% of full scale
Type: passive
Analog In Supply: +24 V DC at 100 mA maximum
≤ 100 ms
Response Time:
COMMUNICATIONS PORTS
RS232 Port: 1, Front Panel, non-isolated
RS485 Ports: 2, Isolated together at 36 V pk
Baud Rates: RS485: 300, 1200, 2400, 4800, 9600,
19200
RS232: 9600
Parity: None, Odd, Even
Protocol: Modbus
1 INTRODUCTION
1.2.1 469 SPECIFICATIONS
®
RTU / half duplex
GE Multilin