Section 4 | Communications
© 2021
– Valeport Ltd
Page | 14
4.3 uvSVX Communications Setup
The following # commands need to be set as required to achieve the communications scenario
required
Code
Description
#005;n
Set address mode On | Off
where n = 0 or 1
#005;0 (Off)
#005;1 (On)
In address mode, the uvSVX will only respond to commands prefixed by
its address, or the global address “00”
Example:
03:#028
uvSVX address “03” begin sampling
Example:
00:#028
All uvSVX addresses begin sampling
this function is password protected
#006
Read address mode activation status
#033;nn
Set uvSVX RS485 | Modbus address to any number from 01 to 99
this function is password protected
#034
Read address
#059;nnnnnn
Set the baud rate in the Instrument - factory set to 115200
where nnnnnn = 2400, ......, 230400
this function is password protected
#352,n
Enable | Disable # on Modbus
interrupts the instrument with a serial # if in Modbus mode
#352;0 (disable)
#352;1 (enable)
this function is password protected
#353
read # on Modbus activation status
#700; n;n
Enables Modbus communications mode with parity on or off.
Once entered into Modbus mode the uvSVX will begin to measure on the
measurement cycle.
#700;0;0 - Modbus disabled
#700;0;1 - Modbus disabled
#700;1;0 - Modbus No Parity
#700;1;1 - Modbus Even Parity
this function is password protected
#701
Read Modbus activation status
