SPECIFICATIONS

Brand Name: eletechsup

Choice: yes

Condition: New

High-concerned chemical: none

Origin: Mainland China

Type: Module

is_customized: Yes

semi_Choice: yes

Please note that ! ! ! If you only choose : DS18B20 Sensor, there will only be one sensing line

Excluding green module

N4DSA02 is a 2-channel DS18B20 Modbus adapter newly designed by eletechsup. It can directly replace R46CA01. It not only fixes the BUG of R46CA01, but also adds an extra channel and more register configuration functions. It is a DS18B20 adapter with high cost performance.

Description :

Working voltage: Power Supply 1 DC 6-25V; Power Supply 2 DC 3.7-5V
Working current: 6-7MA
Number of acquisition channels: 2 channels
MODBUS RTU protocol, 03, 04 read commands, 06, 16 write commands.
Serial port baud rate: 9600 (default), 1200-115200,N, 8, 1
By modifying the RS485 address, up to 247 modules can be cascaded (more than 16 please use R485 repeater)
Adapted sensor: DS18B20 Temperature Sensor
Temperature measurement range: -55°C to +125°C(-67°F to +257°F)

Size: 25.8 X 15.2 X 3.5MM(No Pin),25.8 X 15.2 X 11MM(With Pin)
Weight: 1.8g(No Pin),2.4g(With Pin)

MODBUS RTU Command :
''N4DSA02 N4DSB03 MODBUS RTU Command (OLD)'',Compatible with R46CA01 Command

''N4DSA02 N4DSB03 MODBUS RTU Command (NEW)'',New users are advised to use new commands

The recommended lead length for DS18B20 is within 15 meters.
The recommended RS485 bus length is within 100 meters.
If communication fails, please short the RES jumper for 5 seconds to restore the factory settings.

Typical application:

Thermostatic Controls
Industrial Systems
Consumer Products
Thermally Sensitive Systems
Indoor and outdoor temperature measurement
Temperature in vegetable garden
Weather forecasting, and monitoring
Temperature in Computer Room
Warehouse temperature
Paperless recorder
PLC analog expansion board