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V-RTU2000 Series
Veesta - Remote Terminal Unit
Technical Specification Manual
9.3.1
VR-2746 Specifications
1.
Input Channel
2.
Input Range
3.
Accuracy
4.
Sampling Rate
5.
Input Impedance
6.
Communication Port
7.
Insulation ability
8.
Impulse Test
9.
Power Requirement
10.
Card Dimension
11.
Environment
Operating Temperature :
Storage Temperature
Relative Humidity
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Chapter 9 - Analog AC Input Unit
:
4 sets of independent voltage
:
Voltage: 0-300V
Frequency : 50/60 ±3Hz
:
Voltage : 0.5% fs
Phase angle measuring error ≦ 2˚
:
32 points for each cycle
:
1MΩ ± 2% (each set)
:
Data rate RS-232 : 9600 bps
RS-485 : 62.5K bps
:
Internal circuit against 3000Vdc analog input
:
ANSI/IEEE c37.90.1-2002 (2.5KV) SWC
IEC 61000-4-12 classⅢ SWC
IEC 61000-4-4 classⅣ SWC
IEC 61000-4-5 classⅣ Impulse
:
+5V DC ±5%, 150mA
:
160mm * 100mm
-25°C to 70°C
:
-40°C to 85°C
:
10% to 95% non-condensing
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