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V-RTU2000 Series
Veesta - Remote Terminal Unit
Technical Specification Manual
11.2.1 VR-2760 Specifications
1.
Input Channel
2.
Input Range
3.
Accuracy
4.
Input burden
5.
Display
6.
Programmability
7.
Communication Port
8.
Fault Current Detection
(Option)
9.
Waveform Capture
10.
Maximum / Minimum Logger
11.
Event Logger
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Chapter 11 - Universal Intelligent AC Power Meter Unit
:
4 - AC Currents ( Aa, Ab, Ac, A0)
4 - AC Voltage (Pa, Pb, Pc, Pn for 3-phase input &
P1, P2 for separate 1-phase input)
:
Voltage : 10-300V
Current : Maximum 6A for 5A rating (CT)
Maximum 1.2A for 1A rating (CT)
Frequency : 40~70 Hz
:
See Next Table
Voltage : ＜0.15 VA at 300V (or ≧ 1MΩ)
:
Current : ＜0.2VA of rating
* Overload Withstand:
2xCT continuous, 25xCT 2sec, 50xCT 1sec
:
LED / 0.2" / green color, 1 rows of 8 characters
:
* Communication Baud Rate
1.2K / 2.4K / 4.8K / 9.6K / 19.2K bps
Device address 1 ~ 254
* Measured Power System
3P4W / 3P3W / 1P3W / 1P2W
50 / 60 Hz main frequency
PT ratio ,
Maximum demand 1-60 minute
(A,KW,KVAR,KVA)
:
RS232 (front panel): Modbus RTU protocol only
RS485 (rear panel) : Modbus RTU or DNP3.0
:
(Mode 0)
One Fault-Based-Curve
16 set-point groups (Ip-pu, Mp, Ig-pu, Mg)
(Mode 1)
User definable
4-point phase time over-current curve
4-point ground time over-current curve
:
Data Channel: 4 currents, 4 voltages
Sample Rate: 32 points per cycle, length 2 cycle
20 parameters with time-stamped:
:
VP1, VP2, VP3, VPE, VPS, VL1, VL2, VL3, VLE,
VLS, A1, A2, A3, A0, AE, W, Var, VA, PF, F
:
200 events with time-stamped
status change of switch input
Failure in self-test
Programming access
Fault current recorder (option)
Power ON / OFF
CT ratio
Page 61 of 90
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