B: Modbus Map
Doc# E145701 MM-10
Electro
Industries/GaugeTech
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Description
1
Format
Range
6
Units or Resolution
Comments
#
Reg
Modbus Address
Hex
Decimal
0403 - 0404
1028 - 1029
Neutral Current
FLOAT
0 to 9999 M
amps
2
Block Size:
30
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 signs
2
044D - 044E
1102 - 1103
W-hours, Delivered
SINT32
0 to 99999999 or
0 to -99999999
Wh per energy format
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
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
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
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
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
Primary Demand Block (IEEE Floating Point)
Primary Minimum Block (IEEE Floating Point)
* Wh received is positive for "view as
load", delivered is positive for "view as
generator"
* resolution of digit before decimal point =
units, kilo, or mega, per energy format
Primary Energy Block