MCP3909RD-3PH1 Microchip Technology, MCP3909RD-3PH1 Datasheet - Page 55

• 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

6.6
© 2009 Microchip Technology Inc.
TOTAL HARMONIC DISTORTION (THD) COMMAND
TABLE 6-10:
TABLE 6-11:
TABLE 6-12:
TABLE 6-13:
1,2
3,4
5-56
57,58
59,60
61,62
63-126
127,128
1-4
5-8
9-12
13-16
17-20
21-24
Data Field
Data Field
0xFF, 0x00
0xFF, 0x00
START
START
Byte
Byte
Fundamential or 1st Harmonic, Voltage Content
2nd Harmonic, Voltage Content
3-31st Harmonic, Voltage Content
Total Voltage Harmonic Content (not including
Fundamental)
Fundamential or 1st Harmonic, Current Content
2nd Harmonic, Current Content
3-31st Harmonic, Current Content
Total Current Harmonic Content (not including
Fundamental)
Total Harmonic Distortion of Phase A Voltage
Total Harmonic Distortion of Phase B Voltage
Total Harmonic Distortion of Phase C Voltage
Total Harmonic Distortion of Phase A Current
Total Harmonic Distortion of Phase B Current
Total Harmonic Distortion of Phase C Current
Command
Command
HARMONIC ANALYSIS DETAILED DESCRIPTION
PC TO METER (7 BYTES)
METER RESPONSE (29 BYTES)
TOTAL HARMONIC DISTORTION DESCRIPTION
0x46
0x47
Meter Communications Protocol
Length
Length
Data
0x00
Data
0x18
Description
Description
Data Field
Data Field
24 bytes
0x00
Check Sum
Check Sum
XX
XX
Unsigned Int, 2 bytes
Unsigned Int, 2 bytes
Unsigned Int, 2 bytes
Unsigned Int, 2 bytes, /
1000 * (100%)
Unsigned Int, 2 bytes
Unsigned Int, 2 bytes
Unsigned Int, 2 bytes
Unsigned Int, 2 bytes, /
1000 * (100%)
Float, 4 Bytes Total
Float, 4 Bytes Total
Float, 4 Bytes Total
Float, 4 Bytes Total
Float, 4 Bytes Total
Float, 4 Bytes Total
DS51723A-page 55
Value
Value
STOP
STOP
0xE0
0xE0