9
Modbus Register Map
Register
Name
Comment
Register Type R/W Default
Value
Range
Modbus
Address
Machine ID Machine ID
Unsigned short
R
7
40001
FW version Firmware version
Unsigned short
R
0
40002
Address
Modbus address
Unsigned short R/W
1
40003
Delay
Machine answer delay (in characters) Unsigned short R/W
1
0..1000
40004
Baudrate
0= 1200, 1= 2400, 2= 4800, 3=
9600, 4= 19200, 5= 38400, 6=
57600, 7= 115200
Unsigned short R/W
1
0..7
40005
Parity
0= NO, 1= ODD, 2= EVEN
Unsigned short R/W
0
0..2
40006
DC Filter
Number of tenths of second (1/10) for
all RMS calculation in DC
Unsigned short R/W
10
1..65535
40007
Flag
Measurement
bit 0 :[ 0= TRMS value (without sign);
1 = DC_measurement (with sign)];
bit 1:[ 0= Energy stori ng disable;
1= Energy storing enable];
bit 2 :[ 0= Frequency detect on
Voltage channel; 1= Frequency
detect on Current channel].
Unsigned short R/W
0x10
40008
TV_Ratio
Voltage transformer ratio
Float
(LSW first)
R/W
1.0
40009
40010
TA_Ratio
Current transformer ratio
Float
(LSW first)
R/W
1.0
40011
40012
# of ZX for VI
measurement
Number of ZX for_AC Meas Number
of line cycle Zero Crossings for AC
measurement RMS.
Unsigned short R/W
50
1..65535
40014
STATUS
bit 0: flash settings error;
bit1: flash calibration error;
bit 2: Voltage Over Range;
bit 3: Voltage Under Range;
bit [4:5] Reserved;
bit 6: Zero crossing detecting;
bit [7:9] Reserved;
bit 10: Energy storing error;
bit 11: Energy initialization error;
bit 12: Reserved;
bit 13: Current Over Range;
bit 14: Current Under Range;
bit 15: Reserved.
Unsigned short
R
0
40072
V RMS
Voltage RMS Measurement (V)
Float
(LSW first)
R
40073
40074
I RMS
Current RMS Measurement (mA)
Float
(LSW first)
R
40075
40076
