B–4 EPM 2200 POWER METER – INSTRUCTION MANUAL
MODBUS REGISTER MAP APPENDIX B: MODBUS MAPPING FOR EPM 2200
03F7 - 03F8 1016 - 1017 Amps C FLOAT 0 to 9999 M amps 2
03F9 - 03FA 1018 - 1019 Watts, 3-Ph total FLOAT -9999 M to +9999 M watts 2
03FB - 03FC 1020 - 1021 VARs, 3-Ph total FLOAT -9999 M to +9999 M VARs 2
03FD - 03FE 1022 - 1023 VAs, 3-Ph total FLOAT -9999 M to +9999 M VAs 2
03FF - 0400 1024 - 1025 Power Factor, 3-Ph
total
FLOAT -1.00 to +1.00 none 2
0401 - 0402 1026 - 1027 Frequency FLOAT 0 to 65.00 Hz 2
0403 - 0404 1028 - 1029 Neutral Current FLOAT 0 to 9999 M amps 2
Block Size: 30
Primary Energy Block
read-only
044B - 044C 1100 - 1101 W-hours, Received SINT32 0 to 99999999 or
0 to -99999999
Wh per energy
format
* Wh received & delivered
always have opposite
2
044D - 044E 1102 - 1103 W-hours, Delivered SINT32 0 to 99999999 or
0 to -99999999
Wh per energy
format
* Wh received is positive
for "view as load",
delivered is positive for
"view as generator"
2
044F - 0450 1104 - 1105 W-hours, Net SINT32 -99999999 to
99999999
Wh per energy
format
2
0451 - 0452 1106 - 1107 W-hours, Total SINT32 0 to 99999999 Wh per energy
format
* 5 to 8 digits 2
0453 - 0454 1108 - 1109 VAR-hours, Positive SINT32 0 to 99999999 VARh per energy
format
* decimal point implied,
per energy format
2
0455 - 0456 1110 - 1111 VAR-hours, Negative SINT32 0 to -99999999 VARh per energy
format
* resolution of digit before
decimal point = units, kilo,
or mega, per energy
format
2
0457 - 0458 1112 - 1113 VAR-hours, Net SINT32 -99999999 to
99999999
VARh per energy
format
2
0459 - 045A 1114 - 1115 VAR-hours, Total SINT32 0 to 99999999 VARh per energy
format
2
045B - 045C 1116 - 1117 VA-hours, Total SINT32 0 to 99999999 VAh per energy
format
* see note 10 2
Block Size: 18
Primary Demand Block (IEEE Floating Point)
read-only
07CF - 07D0 2000 - 2001 Amps A, Average FLOAT 0 to 9999 M amps 2
07D1 - 07D2 2002 - 2003 Amps B, Average FLOAT 0 to 9999 M amps 2
07D3 - 07D4 2004 - 2005 Amps C, Average FLOAT 0 to 9999 M amps 2
07D5 - 07D6 2006 - 2007 Positive Watts, 3-Ph,
Average
FLOAT -9999 M to +9999 M watts 2
07D7 - 07D8 2008 - 2009 Positive VARs, 3-Ph,
Average
FLOAT -9999 M to +9999 M VARs 2
07D9 - 07DA 2010 - 2011 Negative Watts, 3-Ph,
Average
FLOAT -9999 M to +9999 M watts 2
07DB - 07DC 2012 - 2013 Negative VARs, 3-Ph,
Average
FLOAT -9999 M to +9999 M VARs 2
07DD - 07DE 2014 - 2015 VAs, 3-Ph, Average FLOAT -9999 M to +9999 M VAs 2
07DF - 07E0 2016 - 2017 Positive PF, 3-Ph,
Average
FLOAT -1.00 to +1.00 none 2
07E1 - 07E2 2018 - 2019 Negative PF, 3-PF,
Average
FLOAT -1.00 to +1.00 none 2
Block Size: 20
Primary Minimum Block (IEEE Floating Point)
read-only
0BB7 - 0BB8 3000 - 3001 Volts A-N, Minimum FLOAT 0 to 9999 M volts 2
0BB9 - 0BBA 3002 - 3003 Volts B-N, Minimum FLOAT 0 to 9999 M volts 2
0BBB - 0BBC 3004 - 3005 Volts C-N, Minimum FLOAT 0 to 9999 M volts 2
0BBD - 0BBE 3006 - 3007 Volts A-B, Minimum FLOAT 0 to 9999 M volts 2
0BBF - 0BC0 3008 - 3009 Volts B-C, Minimum FLOAT 0 to 9999 M volts 2
0BC1 - 0BC2 3010 - 3011 Volts C-A, Minimum FLOAT 0 to 9999 M volts 2
Table B–1: Modbus Register Map (Sheet 2 of 7)
Hex Decimal
Description
1
Format
Range
6
Units or
Resolution
Comments #
R
e
g
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