F.22
SEL-734 Meter Instruction Manual Date Code 20090730
Modbus RTU Communications Protocol
Modbus RTU Communications Protocol
Harmonic/Power Quality Metering
2304–2307 0900–0903 THD IA, IB, IC, IN Distortion % 0 100 UINT
2308 0904 THD VA Distortion % THD VAB if Form 5 0 100 UINT
2309 0905 THD VB Distortion % THD VBC if Form 5 0 100 UINT
2310 0906 THD VC Distortion % THD VCA if Form 5 0 100 UINT
2311–2313 0907–0909 IA, IB, IC K-Factor UINT10
2314–2316 090A–090C DA, DB, DC Distortion Power Ratio % Reserved if Form 5 UINT10
2317 090D D3 Distortion Power Ratio % UINT10
2318–2331 090E–091B Harmonic 2–15 IA % UNIT100
2332–2345 091C–0929 Harmonic 2–15 IB % UINT100
2346–2359 092A–0937 Harmonic 2–15 IC % UINT100
2360–2373 0938–0945 Harmonic 2–15 IN % UINT100
2374–2401 0946–0961 Harmonic 2–15 VA % VAB if Form 5 UINT100
2388–2401 0954–0961 Harmonic 2–15 VB % VBC if Form 5 UINT100
2402–2415 0962–096F Harmonic 2–15 VC % VCA if Form 5 UINT100
2416–2451 0970–0993 Harmonic 16–50 IA % UINT100
2451–2485 0993–09B5 Harmonic 16–50 IB % UINT100
2486–2520 09B6–09D8 Harmonic 16–50 IC % UINT100
2521–2555 09D9–09FB Harmonic 16–50 IN % UINT100
2556–2590 09FC–0A1E Harmonic 16–50 VA % VAB if Form 5 UINT100
2591–2625 0A1F–0A41 Harmonic 16–50 VB % VBC if Form 5 UINT100
2626–2660 0A42–0A64 Harmonic 16–50 VC % VCA if Form 5 UINT100
2661–3071 0971–0BFF Reserved
User Map Registers
Provides mapping of selected registers. Writable after valid password write. Read returns current register
set. See Modbus Password Control and Parameter Modification on page F.9.
3072–3196 0C00–0C7C Mapped Register 1–125
3197–4095 0C7D–0FFF Reserved
User Map Register Values
Provides value of selected mapped registers.
4096–4220 1000–107C Mapped User Register Value 1–125
4221–8191 107D–1FFF Reserved
8192–11297 2000–2C21 Load Profile Records 1–12 Please refer to Load Profile addresses 24579–28993 (see
Load Profile on page F.27) for recorders 1–16 supported in
firmware versions R130/R530 and later. For details on
addresses 8192–11297 that support LDP recorders 1–12,
please refer to the SEL-734
Instruction Manual that shipped
with SEL-734 Meters with firmware versions R129/R529 and
earlier
11298– 12287 2C22–2FFF Reserved
Table F.23 Modbus Register Map (Sheet 12 of 19)
Address Field Notes Min Max Conversion
Courtesy of NationalSwitchgear.com
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