7–62 PQM POWER QUALITY METER – INSTRUCTION MANUAL
MODBUS MEMORY MAP CHAPTER 7: MODBUS COMMUNICATIONS
CURRENT/
VOLTAGE
ALARMS
1126 Phase Overcurrent Activation 0 to 1 1 --- F115 0=AVERAGE
1127 Detect I/V Alarms Using Percentage 0 to 1 1 --- F31 0=NO
1128 Phase Undercurrent Relay 0 to 4 1 --- F29 0=OFF
1129 Phase Undercurrent Level in Amps 1 to 12000 1 A F1 100 A
112A Phase Undercurrent Delay 5 to 6000 5 0.1 x s F1 100=10.0 s
112B Phase Overcurrent Relay 0 to 4 1 --- F29 0=OFF
112C Phase Overcurrent Level in Amps 1 to 12000 1 A F1 100 A
112D Phase Overcurrent Delay 5 to 6000 5 0.1 x s F1 100=10.0 s
112E Neutral Overcurrent Relay 0 to 4 1 --- F29 0=OFF
112F Neutral Overcurrent Level in Amps 1 to 12000 1 A F1 100 A
1130 Neutral Overcurrent Delay 5 to 6000 5 0.1 x s F1 100=10.0 s
1131 Undervoltage Relay 0 to 4 1 --- F29 0=OFF
1132 Undervoltage Level in Volts 20 to
65000
1 V F1 100 V
1133 Undervoltage Delay 5 to 6000 5 0.1 x s F1 100=10.0 s
1134 Phases Req’d for Operation of U/V 0 to 2 1 --- F30 0=ANY ONE
1135 Detect U/V Below 20V 0 to 1 1 --- F11 0=DISABLE
1136 Overvoltage Relay 0 to 4 1 --- F29 0=OFF
1137 Overvoltage Level in Volts 1 to 65000 1 V F1 100 V
1138 Overvoltage Delay 5 to 6000 5 0.1 x s F1 100=10.0 s
1139 Phases Req’d for Operation of O/V 0 to 2 1 --- F30 0=ANY ONE
113A Phase Current Unbalance Relay 0 to 4 1 --- F29 0=OFF
113B Phase Current Unbalance Level 1 to 100 1 % F1 10%
113C Phase Current Unbalance Delay 5 to 6000 5 0.1 x s F1 100=10.0 s
113D Voltage Unbalance Relay 0 to 4 1 --- F29 0=OFF
113E Voltage Unbalance Level 1 to 100 1 % F1 10%
113F Voltage Unbalance Delay 5 to 6000 5 0.1 x s F1 100=10.0 s
1140 Voltage Phase Reversal Relay 0 to 4 1 --- F29 0=OFF
1141 Voltage Phase Reversal Delay 5 to 6000 5 0.1 x s F1 100=10.0 s
1142 Detect Undercurrent When 0A 0 to 1 1 --- F31 0=NO
1143 Phase Undercurrent Level in % of CT 1 to 100 1 % F1 100%
1144 Phase Overcurrent Level in % of CT 1 to 150 1 % F1 100%
1145 Neutral Overcurrent Level in % of CT 1 to 150 1 % F1 100%
1146 Undervoltage Level in % of VT 20 to 100 1 % F1 100%
1147 Overvoltage Level in % of VT 20 to 100 1 % F1 150%
Table 7–10: PQM Memory Map (Sheet 46 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
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