71M6533- DB Demo Board User’s Manual
3.2
BOARD HARDWARE SPECIFICATIONS
PCB Dimensions
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Diameter
Thickness
Height w/ components
6.5” (165.1mm)
0.062” (1.6mm)
1.5” (38.1 mm)
Environmental
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Operating Temperature
- 40°…+85°C
(function of crystal oscillator affected outside – 10°C to +60°C)
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Storage Temperature
- 40°C…+100°C
Power Supply
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Using internal AC supply
DC Input Voltage (powered from DC supply)
Supply Current
240 V…700V RMS
5VDC ? 0.5V
25mA typical
Input Signal Range
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AC Voltage Signals (VA, VB, VC)
AC Current Signals (IA, IB, IC) from CT
0…240V RMS
0…0.25V p/p (176mV RMS)
Interface Connectors
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DC Supply Jack (J1) to Wall Transformer
Emulator (J14 and J17)
Voltage Input Signals
Current Input Signals
USB-Serial Adapter (J2)
SPI Interface
Concentric connector, 2.5mm
10x2 header, 0.05” pitch and 6x1 header, 0.1” pitch
Spade terminals on PCB bottom
0.1” headers on PCB bottom
8x2 header, 0.1” pitch
5x2 header, 0.1” pitch
Functional Specification
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Program Memory
NV memory
Time Base Frequency
Time Base Temperature Coefficient
128KByte FLASH memory
1Mbit serial EEPROM
32.768kHz, ? 20PPM at 25°C
-0.04PPM/°C2 (max)
Controls and Displays
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Reset
PB
Numeric Display
“Watts”
“VARS”
Push-button (SW2)
Push-button (SW3)
8-digit LCD, 14-segments per digit
red LED (D5)
red LED (D6)
Measurement Range
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Voltage
Current
120…700 V rms (resistor division ratio 1:3,398)
1.7 ? termination for 2,000:1 CT input (208A)
Page: 58 of 75
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REV 3
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