CHAPTER 7: MODBUS COMMUNICATIONS MODBUS MEMORY MAP
PQM POWER QUALITY METER – INSTRUCTION MANUAL 7–23
CURRENT
continued
0265 Time - Seconds of Phase A Current Max --- --- --- F23 N/A
0266 Date - Month/Day of Phase A Current Max --- --- --- F24 N/A
0267 Date - Year of Phase A Current Max --- --- --- F25 N/A
0268 Time - Hour/Minutes of Phase B Curr. Max --- --- --- F22 N/A
0269 Time - Seconds of Phase B Current Max --- --- --- F23 N/A
026A Date - Month/Day of Phase B Current Max --- --- --- F24 N/A
026B Date - Year of Phase B Current Max --- --- --- F25 N/A
026C Time - Hour/Minutes of Phase C Curr. Max --- --- --- F22 N/A
026D Time - Seconds of Phase C Current Max --- --- --- F23 N/A
026E Date - Month/Day of Phase C Current Max --- --- --- F24 N/A
026F Date - Year of Phase C Current Max --- --- --- F25 N/A
0270 Time - Hour/Minutes of Neutral Current 
Max
--- --- --- F22 N/A
0271 Time - Seconds of Neutral Current Max --- --- --- F23 N/A
0272 Date - Month/Day of Neutral Current Max --- --- --- F24 N/A
0273 Date - Year of Neutral Current Max --- --- --- F25 N/A
0274 Time - Hour/Minutes of Current Unbal. Max --- --- --- F22 N/A
0275 Time - Seconds of Current Unbal. Max --- --- --- F23 N/A
0276 Date - Month/Day of Current Unbal. Max --- --- --- F24 N/A
0277 Date - Year of Current Unbalance Max --- --- --- F25 N/A
0278 Reserved
to ↓↓↓↓↓↓
027F Reserved
Table 7–10: PQM Memory Map (Sheet 7 of 55)
GROUP ADDR
(HEX)
DESCRIPTION RANGE STEP 
VALUE
UNITS and
SCALE
FORMAT FACTORY 
DEFAULT
Notes:* Data type depends on the Command Operation Code.** Any valid Actual Values or Setpoints address.
*** Maximum Setpoint value represents “OFF”.**** Minimum Setpoint value represents “OFF”.
***** Maximum Setpoint value represents “UNLIMITED”.****** Applicable to older revisions with VFD display only
Courtesy of NationalSwitchgear.com