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E51C2A, E51C3A Installation Guide
Modbus Point Map
Overview (cont.)
Standard Modbus
Default Settings
ZL0122-0D
Page 19 of 34
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R=read only
R/W
R/W=read from either int or float formats, write only to integer format.
NV
Value is stored in non-volatile memory. The value will still be available if the meter experiences a power loss and reset.
UInt
Unsigned 16-bit integer.
SInt
Signed 16-bit integer.
ULong
Unsigned 32-bit integer; Upper 16-bits (MSR) in lowest-numbered / first listed register (001/002 = MSR/LSR).
Format
SLong
Signed 32-bit integer; Upper 16-bits (MSR) in lowest-numbered / first listed register (001/002 = MSR/LSR).
Float
32-bit floating point; Upper 16-bits (MSR) in lowest-numbered / first listed register (257/258 = MSR/LSR). Encoding is
per IEEE standard 754 single precision.
Units
Lists the physical units that a register holds.
Scale
Some Integer values must be multiplied by a constant scale factor (typically a fraction), to be read correctly. This is done to allow
Factor
integer numbers to represent fractional numbers.
Range
Defines the limit of the values that a register can contain.
Setting
Setup Password
Reset Password
System Type
CT Primary Ratio (if CTs are not included)
CT Secondary Ratio
PT Ratio
System Voltage
Max. Theoretical Power
(Analog Output: full scale (20mA or 5V))
Display Mode
Phase Loss
Pulse Energy
Demand: number of sub-intervals per interval
Demand: sub-interval length
Modbus Address
Modbus Baud Rate
Modbus Parity
Log Read Page
Logging Configuration Register
Log Register Pointer 1
Log Register Pointer 2
Log Register Pointer 3
Log Register Pointer 4
Log Register Pointer 5
Log Register Pointer 6
Log Register Pointer 7
Log Register Pointer 8
Log Register Pointer 9
Log Register Pointer 10
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Value
00000
00000
40 (3 + N) Wye
100A
QNAN
1:1 (none)
600 V L-L
104 kW
1 (IEEE units)
10% of System Voltage (60V), 25% Phase to Phase Imbalance
1 (kWh/pulse)
1 (block mode)
900 sec (15 min)
001
19200 baud
None
0
0
3 (Import Real Energy MSR)
4 (Import Real Energy LSR)
5 (Export Real Energy MSR)
6 (Export Real Energy LSR)
29 (Real Demand)
30 (Reactive Demand)
31 (Apparent Demand)
155 (Month/Day)
156 (Year/Hour)
157 (Minutes/Seconds)
TM
Modbus
Register
–
–
130
131
132
133
134
135
137
142, 143
144
149
150
–
–
–
158
159
169
170
171
172
173
174
175
176
177
178
0818
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