TECSYSTEM NT579 User Manual

9
NT579-NT579 RS485
TECSYSTEM SHANGHAI
The temperature values below zero are displayed in the form of 2's comple-
ment
Channel logs can be read with code 3 from number 1 to number 18
WORKING NOTES
The modbus inside option allow to connect NT579 monitorning unit with a RS485
network
With MODBUS RTU protocol in order to read the data shown in the table at pag.
13 and write the parameters with RW note
MODBUS MAPPING STRUCTURE NOTES
The records modbus are divided into 2 main groups:
From 1 to 18 are present all the temperatures of each channel.
The display of data is carried out WORD 2's complement for the management of
the sign.
The HI byte of WORD represents the sign: 00 = sign +, FF sign -
The LO byte contains the data of temperature
From 41 to 53 are all the status registers and some registers programming.
In this case, there is no registration of the sign

TECSYSTEM NT579 Specifications

General

Brand	TECSYSTEM
Model	NT579
Category	Controller
Language	English