68
E.G. 2 If the user PC master supports Function 04, then the reply
will contain the information stored in the two registers
asssigned to that field and will contain the full, accurate
The PC master requests the Voltage from Line1, and the actual
Voltage in that field is 230.5 Volts.
Function 04 will respond with a composite reply of both
register 1 and 2 giving the full FLOAT value (in IEEE Format)
from that field i.e. 230.5V.
6.2.1 — Registers addresess
The
ELNet LT
MODBUS registers addresses are updated all the time
and can be downloaded from the following web site:
http://www.ddc.co.il/ELNet-pdf/ELNet_comm.pdf
The MODBUS registers addresses numbering order specify at the above
mentioned web address set as a defaults but can be changed in order to be
fit to the SCADA/HMI drivers.
In order to change the MODBUS registers addresses numbering order:
See Section 4.0 for instructions to arrive at the Technical Menu
1 Scroll to NEXT
2 Scroll to PARAMETERS ORDER.
3 Click “ENTER”