NRG Systems SymphoniePRO, User Manual

Page: 161 / 215

SymphoniePRO User Manual
Rev. 8 support@nrgsystems.com | Page 161
11 January 2018
This application can be run directly from the executable file, with no installation required. It can be run directly
from a USB drive or from a network file server, making it easy to test from any location on the network without
the need for Administrator rights and program installations.
Checking iPack status
The iPack status can be verified through the iPack ([Home][2][2]) menu on the SymphoniePRO logger’s LCD
screen. Refer to Section
3.5 . of the SymphoniePRO manual for more details about the menu options.
Using the Modbus Demo Client
Start the application by double-clicking the NRGModbusDemoClient.exe file. Make sure Sympho
iPackACCESS is selected from the Modbus Server Type dropdown.
Enter the active IP Address of the iPackACCESS (the iPackACCESS’s IP address can be found by pressing
[Home][2][2][2] on the logger’s keypad and pressing the right arrow to get to the Network status screen).
Change the Port number, if you are using a port other than 502.
By default, the Modbus Demo Client will display all Modbus registers. You can choose to only look at a certain
set of registers by selecting a different Register Block from the dropdown.
Press the Start Modbus Client to begin polling the iPackACCESS registers.
Since the iPackACCESS can support multiple Modbus clients, this application can be used simultaneously with
other Modbus clients, which may be helpful in debugging the setup of Modbus tag information in the end user
application.
Modbus Protocol
The iPackACCESS follows Modbus Application Protocol Specification V1.1b. The standard exception codes in the
table below are supported.
Modbus Exception Codes
Code Name Meaning
01 ILLEGAL FUNCTION The function code is not supported by the iPackACCESS or is not
in the correct state to be able to perform the function.
02 ILLEGAL DATA
ADDRESS An address in the requested data range is not an allowable
address.
03 ILLEGAL DATA VALUE The value in the data field is not allowable by the iPackACCESS.
04 SLAVE DEVICE
FAILURE An unrecoverable error occurred when the iPackACCESS was
performing the request.