Specifications
Voltage Inputs
w Inputs:V1, V2, V3, V4, VREF
w Rated Input: 347 LN/600 LL VAC RMS
w Overload: 1500 VAC RMS continuous
w Dielectric Withstand: 3250 VAC RMS, 60Hz for 1
minute
w Impedance: 5 MW/phase
w Fault Capture: 1400 Vpeak
Current Inputs
w Inputs: I1, I2, I3, I4, I5
w Rated Inputs: 20A RMS, Max voltage: 600V RMS
w Fault capture: 50A RMS/70A pk.
w Overload: 500 A RMS for 1 second, non-recurring
w Dielectric Withstand: 3250 VAC RMS, 60Hz for 1
minute
w Starting current: 0.005 A RMS
w Burden: 0.15 VA
Waveform Recording
w Sampling Rate: 7600 ION, 256 samples/cycle from
47-63 Hz
w Dynamic range: Voltage Inputs: 14 bits effective
(V1, V2, V3)
w Current Inputs: 18 bits effective (I1, I2, I3)
w Sampling Rate: 7500 ION, 128 samples/cycle
w Wave for recording options range from 16
samples/cycle (96 cycles) to 128 samples/cycle
(14 cycles)
Digital Inputs
w 8 Inputs:S1-S8, SCOM Self-excited, dry contact
sensing, no external voltage required.
w Minimum pulse width: 1msec
w Maximum pulse rate: 20 pulses/sec.
w Scan Time: ½ cycle
w Timing resolution: 1 ms
w Isolation: 300 Vpeak for 10s, 60 Hz.
Relays
w 3 Relays: R1 - R3
w Contacts: Form C
w Rated voltage: 250 VAC / 30 VDC
w Max. voltage: 380 VAC, 125 VDC
w Rated load @ 10 A AC/DC resistive, Rated
voltage: 7.5 A (AC) / 5 A (DC) Inductive (p.f. =0.4)
w Max. switching load:2500 VA resistive, 1875 VA
inductive (p.f. = 0.4)
w Turn-on time: 15 ms max
w Turn-off time: AC: 10ms max, DC: 5 ms max
w Isolation: 5,000 VAC for 1 minute
w Lifetime: 10,000,000 operations (no load),100,000
6
7600 ION/7500 ION
Measurement Specifications
Parameter Accuracy ± (%reading) Register Bounds
1 second 1 second
Voltage (l-l) (l-n) 0.1% 0 to 1x10
6
V
Frequency 0.01% 47 to 63 Hz
Current (I1, I2, I3) 0.1% 0 to 1x10
6
A
Current (I4, I5) 0.4% 0 to 1x10
6
A
kW, kVAR, kVA* class 0.2* 0 to ± 3.3x10
7
kWh, kVARh, kVAh* class 0.2* 0 to ± 10
37
KW, KVA Demands class 0.2*
Power Factor @ Unity PF 0.5% -0.01 to -100.00, 100.00 to 0.01
Harmonics (to 63rd) 1% Full Scale 0.0001 to 100.00
K Factor 5% Full Scale 0 to 1x10
6
Crest Factor 1% Full Scale 0 to 10
*Refer to Compliance section on page 7
Display resolution meets or exceeds accuracy.
User Programmable Log Capacity
Example Configurations:
7500 ION 7600 ION (equipped with 8MB memory)
Event 500 Events 500 Events
Data 74 days
A
300 days
B
35 days
A
140 days
B
1.8 years
A
7.5 years
B
1.3 years
A
5.4 years
B
Waveform 6
C
6
C
24
D
24
D
24
C
24
C
100
D
100
D
A
16 parameters recorded every 15 minutes
B
16 parameters recorded hourly
C
6 channels @ 128 samples per cycle for 14 cycles
D
6 channels @ 16 samples per cycle for 22 cycles
Example Connections
4-Wire Wye (Direct Connection)
Connections
Installation
w 4-wire Wye, 3-wire Wye, 3-wire Delta, Direct
Delta and Single Phase systems
w 4 voltage and 5 current inputs
w All inputs pass ANSI/IEEE C37.90-1989
surge withstand and fast transient tests.
Voltage and Current Inputs
w Autoranging 57 through 347 l-n/600 l-l inputs
w No PTs needed for Wye systems up to
347/600 VAC
w Standard 5 to 20 Amp current inputs
Control Power
The 7500 ION and 7600 ION standard power
supply has a voltage range of 85 to 240 VAC
and 110 to 330 VDC, and can be powered from
a dedicated fused feed.
3-Wire Delta (2 PTs and 2 CTs)
(25 Seiten)
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