Advertisement
Appendix B.5 Modbus Register Map
Hex
Decimal
Identification Block
0000 - 0007 1
- 8
0008 - 000F 9
- 16
0010 - 0010 17
- 17
0011 - 0012 18
- 19
0013 - 0013 20
- 20
0014 - 0014 21
- 21
0015 - 0015 22
- 22
0016 - 0026 23
- 39
0027 - 002E 40
- 47
Primary Readings Block, 6 cycles (IEEE Floating
0383 - 0384 900
- 901
0385 - 0386 902
- 903
0387 - 0388 904
- 905
Primary Readings Block, 60 cycles (IEEE Floating Point)
03E7 - 03E8 1000 - 1001 Volts A-N
03E9 - 03EA 1002 - 1003 Volts B-N
03EB - 03EC 1004 - 1005 Volts C-N
03ED - 03EE 1006 - 1007 Volts A-B
03EF - 03F0 1008 - 1009 Volts B-C
03F1 - 03F2 1010 - 1011 Volts C-A
03F3 - 03F4 1012 - 1013 Amps A
03F5 - 03F6 1014 - 1015 Amps B
03F7 - 03F8 1016 - 1017 Amps C
03F9 - 03FA 1018 - 1019 Watts, 3-Ph total
03FB - 03FC 1020 - 1021 VARs, 3-Ph total
03FD - 03FE 1022 - 1023 VAs, 3-Ph total
03FF - 0400 1024 - 1025 Power Factor, 3-Ph
0401 - 0402 1026 - 1027 Frequency
0403 - 0404 1028 - 1029 Neutral Current
EPM 2200 MULTI-FUNCTION POWER METERING SYSTEM – USER GUIDE
Table Appendix B –1: Modbus Register Map (Sheet 1 of 7)
1
Format
Description
Fixed Data Section
Meter Name
ASCII
Meter Serial Number
ASCII
Meter Type
UINT16 bit-mapped
Firmware Version
ASCII
Map Version
UINT16 0 to 65535
Meter Configuration
UINT16 bit-mapped
ASIC Version
UINT16 0-65535
Reserved
OEM Part Number
Meter Data Section
Watts, 3-Ph total
FLOAT
VARs, 3-Ph total
FLOAT
VAs, 3-Ph total
FLOAT
FLOAT
FLOAT
FLOAT
FLOAT
FLOAT
FLOAT
FLOAT
FLOAT
FLOAT
FLOAT
FLOAT
FLOAT
FLOAT
total
FLOAT
FLOAT
APPENDIX B: MODBUS MAPPING FOR EPM2200
Units or
6
Range
Resolution
16 char
none
16 char
none
-------t -----vvv
4 char
none
none
-------- --ffffff
none
2
-9999 M to +9999 M
watts
-9999 M to +9999 M
VARs
-9999 M to +9999 M
VAs
0 to 9999 M
volts
0 to 9999 M
volts
0 to 9999 M
volts
0 to 9999 M
volts
0 to 9999 M
volts
0 to 9999 M
volts
0 to 9999 M
amps
0 to 9999 M
amps
0 to 9999 M
amps
-9999 M to +9999 M
watts
-9999 M to +9999 M
VARs
-9999 M to +9999 M
VAs
-1.00 to +1.00
none
0 to 65.00
Hz
0 to 9999 M
amps
#
R
Comments
e
g
read-only
8
8
t = 0
1
vvv = Software Option A1,
B1, or C1
2
1
ffffff = calibration
1
frequency (50 or 60)
1
17
8
Block Size:
47
read-only
2
2
2
Block Size:
6
read-only
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
Block Size:
30
APPENDIX B–5
Advertisement
