User guide

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