Eaton IQ 250 User & Installation Manual
Low-cost high performance multifunction electricity meter
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- User & installation manual (142 pages) ,
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Summary of Contents for Eaton IQ 250
- Page 105 The Modbus Map for the IQ 250/260 Meter gives details and information about the possible readings of the meter and its programming. The IQ 250/260 can be programmed using the buttons on the face of the meter (Chapter 6) or with the IQ 250/260 Modbus Configuration Software (Chapter 8).
- Page 106 NOTES: • Exponent = the whole number before the decimal point. • Mantissa = the positive fraction after the decimal point. Modbus Register Map (MM-1 to MM-22) The IQ 250/260 Modbus Register Map begins on the following page. IB02601006E www.eaton.com...
- Page 135 Data Link Layer The IQ 250/260 can be assigned with a value from 1 to 65534 as the target device address for DNP Lite. The data link layer follows the standard frame FT3 used by the DNP Version 3.0 protocol, but only 3 functions are implemented: Reset Link, Reset User and Link Status, as depicted in following table.
- Page 136 Modbus RTU protocol from DNP Lite. This switching is seen as a control relay mapped into Object 12, point 1 in the IQ 250/260. The relay must be operated with qualifier 0x17, code 3 count 0, with 0 millisecond on and 1 millisecond off, only.
- Page 137 Appendix C: IQ 250/260 Meter Using DNP Mapping for IQ 250/260 DNP Lite Register Map Object 10 – Binary Output States Object Point Description Format Range Multiplier Units Comments Reset Energy BYTE Always 1 None Read by Class 0 Only...
- Page 138 Appendix C: Using DNP Mapping for IQ 250/260 IQ 250/260 Meter Object 30 – Analog Inputs (Secondary Readings) - Read via Class 0 only Object Point Description Format Range Multiplier Units Comments Meter Health sint16 0 or 1 None 0 = OK...
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Page 139: Request 05 64 1A C4 Dst Src Crc
Appendix C: IQ 250/260 Meter Using DNP Mapping for IQ 250/260 Object 80 – Internal Indicator Object Point Description Format Range Multiplier Units Comments Device Restart Bit none Clear Function (Write), Qualifier Code 0. DNP Message Layouts Legend All numbers are in hexadecimal base. In addition the following symbols are used. - Page 140 Appendix C: Using DNP Mapping for IQ 250/260 IQ 250/260 Meter Link Status Request Reply Application Layer related frames Clear Restart Request Reply int. ind. Class 0 Data Request Request (alternate) Reply (same for int. ind. pt 0 pt 1...
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Page 141: (Alternate) Cx Cy 05 0C
Appendix C: IQ 250/260 Meter Using DNP Mapping for IQ 250/260 Reset Energy Request Reply int. ind. Request (alternate) Reply int. ind. Switch to Modbus Request No Reply Reset Demand (Maximums & Minimums) Request Reply int. ind. www.eaton.com IB02601006E... - Page 142 Appendix C: Using DNP Mapping for IQ 250/260 IQ 250/260 Meter Request (alternate) Reply int. ind. Error Reply Reply int. ind. IB02601006E www.eaton.com...