MCP3909RD-3PH1 Microchip Technology, MCP3909RD-3PH1 Datasheet - Page 58

• Manufacturer Part Number: MCP3909RD-3PH1
• Description: REF DESIGN MCP3909 3PH ENGY MTR
• Manufacturer: Microchip Technology

Specifications of MCP3909RD-3PH1

• Main Purpose: Power Management, Energy/Power Meter
• Embedded: No
• Utilized Ic / Part: MCP3909, PIC18F2520, PIC18F4550
• Primary Attributes: 3-Ph, 220 VAC, In Case, LCD, USB, GUI
• Secondary Attributes: Opto-Isolated Interface for Safety
• Operating Voltage: 220 V
• Operating Current: 5 A
• Description/function: Energy Meter
• For Use With/related Products: MCP3909
• Lead Free Status / RoHS Status: Not applicable / Not applicable

MCP3909 / dsPIC33F 3-Phase Energy Meter Reference Design
6.10
DS51723A-page 58
CALIBRATE METER VOLTAGE/CURRENT COMMAND
TABLE 6-22:
TABLE 6-23:
TABLE 6-24:
1
2
3
4-7
Data Field
0xFF, 0x00
0xFF, 0x00
START
START
Byte
Phase Select
Range Select
Channel Select
Correction Factor (Error Being Calibrated Out)
Command
Command
PC TO METER (7 BYTES)
METER RESPONSE (7 BYTES)
CALIBRATION OF GAIN AND OFFSET VALUES
0x63
0x64
Length
Length
Data
Data
Description
7
0
Data Field
Data Field
0x07
0x00
Check Sum
Check Sum
© 2009 Microchip Technology Inc.
XX
XX
0x01 = Phase A
0x02 = Phase B
0x03 = Phase C
0x01 = 10%
0x02 = 100%
0x00 = Current
0x01 = Voltage
Float, 4 Bytes Total
Value
STOP
STOP
0xE0
0xE0