YOKOGAWA UPM100, User Manual

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6-2
IM 77C01H01-10EN
6.2 Interpretation of D Register Map Table
This section explains how to read the D Register Map tables in this chapter. The numbers
listed in the leftmost column are D register numbers ((1) below). The fivedigit numbers in
the next column are reference numbers used for MODBUS communication ((2) below). The
numbers in the column third from left are register numbers in hexadecimal notation used in
MODBUS communication programs ((3) below).
H No.
Register
Symbol
Register Name Effective Range
Initial
Value
Back-
up
R/W
D-Reg
No.
Ref
No.
0 to 99,999,999 [kWh]
0 to 99,999,999 [Wh]
(1) D register number
(2) Reference number (for MODBUS communication)
(3) Hex number (for MODBUS communication)
Register symbol Register name Effective (setting) range and unit
Initial value
Backup of data
Backed up at instantaneous
power failure
Backed up at setting
Permission of read/write by communcation
R: Read/W: Write
An asterisk (*) in this column
indicates that the number of
writing action is limited to 100,000.
D0001 40001 0000 kWh L R
D0002 40002 0001 kWh H
Active energy (uint32, lower 2 bytes)
Active energy (uint32, upper 2 bytes)
R
– ●
060201E.EPS
Data Format Abbreviations
float: single precision floating decimal point
unit: without sign integer
int: with sign integer