CHAPTER 7: MODBUS COMMUNICATIONS MODBUS MEMORY MAP
PQM POWER QUALITY METER – INSTRUCTION MANUAL 7–51
TRACE
MEMORY
0B80 Trace Memory Usage --- --- --- F37 N/A
0B81 Trace Memory Trigger Flag --- --- --- F113 N/A
0B82 Trace Memory Trigger Counter --- --- --- F1 N/A
0B83 Total Trace Memory Triggers --- --- --- F1 N/A
0B88 Trigger Cause - Trace 1 --- --- --- F41 N/A
0B89 Time - Hours/Minutes - Trace 1 --- --- --- F22 N/A
0B8A Time - Seconds - Trace 1 --- --- --- F23 N/A
0B8B Date - Month/Day - Trace 1 --- --- --- F24 N/A
0B8C Date - Year - Trace 1 --- --- --- F25 N/A
0B8D Trigger Sample Number 1 --- --- --- F1 N/A
0B8E Frequency 1 --- --- 0.01 x Hz F1 N/A
0B98 Trigger Cause - Trace 2 --- --- --- F41 N/A
0B99 Time - Hours/Minutes - Trace 2 --- --- --- F22 N/A
0B9A Time - Seconds - Trace 2 --- --- --- F23 N/A
0B9B Date - Month/Day - Trace 2 --- --- --- F24 N/A
0B9C Date - Year - Trace 2 --- --- --- F25 N/A
0B9D Trigger Sample Number 2 --- --- --- F1 N/A
0B9E Frequency 2 --- --- 0.01 x Hz F1 N/A
0BA8 Trigger Cause - Trace 3 --- --- --- F41 N/A
0BA9 Time - Hours/Minutes - Trace 3 --- --- --- F22 N/A
0BAA Time - Seconds - Trace 3 --- --- --- F23 N/A
0BAB Date - Month/Day - Trace 3 --- --- --- F24 N/A
0BAC Date - Year - Trace 3 --- --- --- F25 N/A
0BAD Trigger Sample Number 3 --- --- --- F1 N/A
0BAE Frequency 3 --- --- 0.01xHz F1 N/A
0BB8 Trace Memory Waveform Selection --- --- --- F40 N/A
0BB9
0BBA
Waveform Scale Factor (high)
Waveform Scale Factor (low)
--- ---
A/
Vx10000
F3 N/A
0BBB Data Buffer 1 --- --- ADCcount
s/2
F2 N/A
0BBC Data Buffer 2 --- --- ADCcount
s/2
F2 N/A
to ↓ ↓ ↓ ↓ ↓ ↓
0DF9 Data Buffer 575 --- --- ADCcount
s/2
F2 N/A
0DFA Data Buffer 576 --- --- ADCcount
s/2
F2 N/A
0DFB Reserved
to ↓ ↓ ↓ ↓ ↓ ↓
0DFF Reserved
0E00 Invalid Serial Number Flag --- --- --- F117 N/A
Table 7–10: PQM Memory Map (Sheet 35 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
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