GE 269Plus - 1.5 TECHNICAL SPECIFICATIONS

1- 6 269Plus Motor Management Relay GE Power Management
TECHNICAL SPECIFICATIONS 1 INTRODUCTION
1
1.5 TECHNICAL SPECIFICATIONS
PHASE CURRENT INPUTS
conversion: calibrated RMS, sample time 2 ms
range: 0.05 to 12 × phase CT primary
amps setpoint
full scale: 12 × phase CT primary amps set-
point
accuracy: ±0.5% of full scale
(0.05to2×phaseCTprimaryamps
setpoint)
±1.0% of full scale
(over 2 × phase CT primary amps
setpoint)
Frequency: 25 to 400 Hz sine wave
GROUND FAULT CURRENT INPUT
conversion: calibrated RMS, sample time 2 ms
range: 0.1 to 1.0 × G/F CT primary amps
setpoint (5 A secondary CT)
0.3 to 10.0 amps 50:0.025 A
(2000:1 ratio)
full scale: 1 × G/F CT primary amps setpoint
(5 A secondary CT)
10 A (2000:1 CT)
accuracy: ±4% of G/F CT primary amps set-
point (5 A secondary CT)
±0.3 A primary (2000:1 CT HGF 3”)
Frequency: 20 to 400 Hz for 5 A CTs
20 to 150 Hz for 2000:1 CTs
OVERLOAD CURVES
curves: 8 curves fixed shape
1customcurve
trip time accuracy: ±1 sec. up to 13 sec.
±8%oftriptimeover13sec.
detection level: ±1% of primary CT amps
UNBALANCE
display accuracy: ±2 percentage points of true nega-
tive sequence unbalance (
I
n
/
I
p
)
RUNNING HOURS COUNTER
accuracy: ±1%
DIFFERENTIAL RELAY INPUT
relay response time: 100 msec. maximum
(contact closure to output relay acti-
vation)
RELAY LOCK-OUT TIME
accuracy: ±1 minute with control power
applied
±20% of total lock-out time with no
control power applied
TRIP/ALARM DELAY TIMES
accuracy: ±0.5 sec. or 2% of total time, which-
ever is greater with the exception of:
1. "INST."setpoints: 20 to 45ms
2. Ground Fault 0.5 Second delay:
±150 msec.
3. Ground Fault 250 msec delay:
+75 msec, –150 msec.
4. Metering setpoints (Page 7):
±1.5 sec. or 2% of total time
RTD INPUTS
sensor types: 10 Ω copper
100 Ω nickel
120 Ω nickel
100 Ω platinum
(specified with order)
display accuracy: ± 2°C
trip/alarm setpoint
range: 0 to 200°C
dead band: 3°C
maximum lead
resistance: 25% of RTD 0°C resistance
ANALOG CURRENT OUTPUT (4-20 mA STANDARD)
accuracy: ±1% of full scale reading
polarity: terminal 58 ("–") must be at ground
potential (i.e. output is not isolated)
Isolation: non-isolated, active source
Update Time: 250 ms max.
COMMUNICATIONS
Type: RS485 2-wire, half duplex, isolated
Baud Rate: 300, 1200, 2400
Protocol: Subset of Modbus
®
RTU
Functions: Read/write setpoints (03/16),
Read actual values (03/04)
PROGRAMMABLE
OUTPUT 0-1 mA 0-20 mA 4-20 mA
MAX LOAD 2000 Ω 300 Ω 300 Ω
MAXOUTPUT 1.01mA 20.2mA 20.2mA