7–52 PQM POWER QUALITY METER – INSTRUCTION MANUAL
MODBUS MEMORY MAP CHAPTER 7: MODBUS COMMUNICATIONS
Setpoint Values (Holding Registers) Addresses - 1000-131F
METER ID
1000 Meter ID characters 1 and 2 --- --- ASCII F10 N/A
1001 Meter ID characters 3 and 4 --- --- ASCII F10 N/A
1002 Meter ID characters 5 and 6 --- --- ASCII F10 N/A
1003 Meter ID characters 7 and 8 --- --- ASCII F10 N/A
1004 Meter ID characters 9 and 10 --- --- ASCII F10 N/A
1005 Meter ID characters 11 and 12 --- --- ASCII F10 N/A
1006 Meter ID characters 13 and 14 --- --- ASCII F10 N/A
1007 Meter ID characters 15 and 16 --- --- ASCII F10 N/A
1008 Meter ID characters 17 and 18 --- --- ASCII F10 N/A
1009 Meter ID characters 19 and 20 --- --- ASCII F10 N/A
100A Reserved
to ↓ ↓ ↓ ↓ ↓ ↓
100F Reserved
PREFERENCE
S
1010 Default Message Time 1 to
1201***
1 min x0.1 F1 10 = 1.0 min
1011 Default Message Brightness ****** 0 to 100 20 % F1 60%
1012 Display Filter Constant 1 to 10 1 --- F1 4
1013 Reserved
to ↓ ↓ ↓ ↓ ↓ ↓
1017 Reserved
RS485 COM1
SERIAL PORT
1018 Serial Communication Address 1 to 255 1 --- F1 1
1019 Modbus Baud Rate for RS485 COM1 0 to 4 1 --- F12 3 = 9600
101A Parity for RS485 COM1 0 to 2 1 --- F13 0 = NONE
101B Reserved
to ↓ ↓ ↓ ↓ ↓ ↓
101F Reserved
RS485 COM2
SERIAL PORT
1020 Modbus Baud Rate for RS485 COM2 0 to 4 1 --- F12 3 = 9600
1021 Parity for RS485 COM2 0 to 2 1 --- F13 0 = NONE
1022 Reserved
to ↓ ↓ ↓ ↓ ↓ ↓
1027 Reserved
RS232
SERIAL PORT
1028 Modbus Baud Rate for RS232 0 to 4 1 --- F12 3 = 9600
1029 Parity for RS232 0 to 2 1 --- F13 0 = NONE
102A Reserved
to ↓ ↓ ↓ ↓ ↓ ↓
102F Reserved
Table 7–10: PQM Memory Map (Sheet 36 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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