APPENDIX B: MODBUS MAPPING FOR EPM 2200  MODBUS REGISTER MAP
EPM 2200 POWER METER – INSTRUCTION MANUAL B–5
0BC3 - 0BC4 3012 - 3013 Amps A, Minimum Avg 
Demand
FLOAT 0 to 9999 M amps 2
0BC5 - 0BC6 3014 - 3015 Amps B, Minimum Avg 
Demand
FLOAT 0 to 9999 M amps 2
0BC7 - 0BC8 3016 - 3017 Amps C, Minimum Avg 
Demand
FLOAT 0 to 9999 M amps 2
0BC9 - 0BCA 3018 - 3019 Positive Watts, 3-Ph, 
Minimum Avg Demand
FLOAT 0 to +9999 M watts 2
0BCB - 0BCC 3020 - 3021 Positive VARs, 3-Ph, 
Minimum Avg Demand
FLOAT 0 to +9999 M VARs 2
0BCD - 0BCE 3022 - 3023 Negative Watts, 3-Ph, 
Minimum Avg Demand
FLOAT 0 to +9999 M watts 2
0BCF - 0BD0 3024 - 3025 Negative VARs, 3-Ph, 
Minimum Avg Demand
FLOAT 0 to +9999 M VARs 2
0BD1 - 0BD2 3026 - 3027 VAs, 3-Ph, Minimum 
Avg Demand
FLOAT -9999 M to +9999 M VAs 2
0BD3 - 0BD4 3028 - 3029 Positive Power Factor, 
3-Ph, Minimum Avg 
Demand
FLOAT -1.00 to +1.00 none 2
0BD5 - 0BD6 3030 - 3031 Negative Power Factor, 
3-Ph, Minimum Avg 
Demand
FLOAT -1.00 to +1.00 none 2
0BD7 - 0BD8 3032 - 3033 Frequency, Minimum FLOAT 0 to 65.00 Hz 2
Block Size: 34
Primary Maximum Block (IEEE Floating Point)
read-only
0C1B  - 0C1C 3100  - 3101 Volts A-N, Maximum FLOAT 0 to 9999 M volts 2
0C1D - 0C1E 3102 - 3103 Volts B-N, Maximum FLOAT 0 to 9999 M volts 2
0C1F - 0C20 3104 - 3105 Volts C-N, Maximum FLOAT 0 to 9999 M volts 2
0C21 - 0C22 3106 - 3107 Volts A-B, Maximum FLOAT 0 to 9999 M volts 2
0C23 - 0C24 3108 - 3109 Volts B-C, Maximum FLOAT 0 to 9999 M volts 2
0C25 - 0C26 3110 - 3111 Volts C-A, Maximum FLOAT 0 to 9999 M volts 2
0C27 - 0C28 3112 - 3113 Amps A, Maximum Avg 
Demand
FLOAT 0 to 9999 M amps 2
0C29 - 0C2A 3114 - 3115 Amps B, Maximum Avg 
Demand
FLOAT 0 to 9999 M amps 2
0C2B - 0C2C 3116 - 3117 Amps C, Maximum Avg 
Demand
FLOAT 0 to 9999 M amps 2
0C2D - 0C2E 3118 - 3119 Positive Watts, 3-Ph, 
Maximum Avg 
Demand
FLOAT 0 to +9999 M watts 2
0C2F - 0C30 3120 - 3121 Positive VARs, 3-Ph, 
Maximum Avg 
Demand
FLOAT 0 to +9999 M VARs 2
0C31 - 0C32 3122 - 3123 Negative Watts, 3-Ph, 
Maximum Avg 
Demand
FLOAT 0 to +9999 M watts 2
0C33 - 0C34 3124 - 3125 Negative VARs, 3-Ph, 
Maximum Avg 
Demand
FLOAT 0 to +9999 M VARs 2
0C35 - 0C36 3126 - 3127 VAs, 3-Ph, Maximum 
Avg Demand
FLOAT -9999 M to +9999 M VAs 2
0C37 - 0C38 3128 - 3129 Positive Power Factor, 
3-Ph, Maximum Avg 
Demand
FLOAT -1.00 to +1.00 none 2
0C39 - 0C3A 3130 - 3131 Negative Power Factor, 
3-Ph, Maximum Avg 
Demand
FLOAT -1.00 to +1.00 none 2
0C3B - 0C3C 3132 - 3133 Frequency, Maximum FLOAT 0 to 65.00 Hz 2
Block Size: 34
Table B–1: Modbus Register Map (Sheet 3 of 7)
Hex Decimal
Description
1
Format
Range
6
Units or 
Resolution
Comments # 
R
e
g