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Download >>  Data Acquisition >> RS232/RS485 digital signal to analog signal isolation D/A converter

Product number:   JSD DA A02 RS232/RS485 digital signal to analog signal isolation D/A converter
Title:    RS232/RS485 digital signal to analog signal isolation D/A converter
Category:    Data Acquisition
Add date:    8/15/2018
Clicks:    29
Download URL:     Download now
Description
                        RS232/RS485 digital signal to analog signal isolation D/A converter
Features:

● Low cost, small size modular design
● RS-485/232 Interface, Analog signal acquisition, isolated output
● Output accuracy>0.2%
● Can be remotely reconfigured for modules accuracy 
● Three-port isolation (input/output/power supply): 3000VDC /60s
● Wide operating power supply: 8 ~ 32VDC
● High reliability, easy programming and installation
● International standard DIN35mm rail mounting for easy centralized wiring
● Can Program setting module address, baud rate , etc.
● Can set the host to read the JSD DA-A02 data to achieve remote acquisition 
● Supports Modbus RTU

Applications:                                           Figure 1 JSD DA-A02 module Appearance

● RS-232/485 bus industrial automation control systems
● Industrial control signal isolation and long-term transmission
● Equipment operation Commissioning and control 
● The sensor signal remote transmission and signal reduction
● Industrial field actuator data given
● Medical, industrial product development
● Intelligent building control, security engineering and other applications
● Standard analog signal output
● 4-20mA signal output

General Description:
                    
JSD DA-A02 series realize host RS-485/232 interface signal isolation converted into a standard analog signal, to control the remote device. JSD DA-A02 products can be applied to RS-232/485 bus industrial automation control system,4-20mA /0-5V/0-10V standard signal output, to control industrial site execution set equipment, control equipment and display instrument. Products include power supply isolation, signal isolation, linearization, D/A conversion and RS-485 serial communication. Each serial interface can connect up to 256 pieces JSD DA-A02 Series modules, communication using ASCII code or MODBUS RTU communication protocol, and its instruction set compatible with the ADAM modules, baud rate can been set by the code, with other manufacturers control module hang in the same RS-485 bus for easy programming.
JSD DA-A02 series products are based on SCM's intelligent monitoring and control system, users set the calibration value, address, baud rate, data format, checksum status, and configuration information are all stored in nonvolatile memory
EEPROM.JSD DA-A02 products are according to industry standard design, isolation between signal output / communication interface, can withstand voltage 3000VDC, high anti-interference ability and reliability. Operating temperature range is - 45 ~ +85°C.
Function Description:
JSD DA-A02 signal isolation D / A converter module can be used to output one channel voltage or current signal, can also be used to output two common ground current or voltage signal.
1. Analog signal output 12-Bit acquisition accuracy, all products signal input range have been calibrated. In use, users also can program calibration easily. About the specific current or voltage input range, please see product selection. when need two channels signal output, signal value must be the same.
2. Communication protocol
Communication Interface: one channel standard RS-485 communication interface, or one standard RS-232 communication interface, specify when ordering.
Communication Protocols: supports two protocols, characters protocol of the command set defined and MODBUS RTU communication protocol. Can be programmed using the kind of communication protocol, can be achieved with PLC, RTU of many Brands or computer monitoring system for network communication.
Data Format: 10 Bits. 1 start bit, 8 data bits, 1 stop bit.
Address: (0 to 255) and baud rate (2400, 4800, 9600, 19200, 38400 bps) can be set, the most long-distance about communication networks is up to 1200 meters, through the twisted-pair shielded cable. Communication interface of high anti-jamming design, ± 15KV ESD protection, communication response time is less than 100mS.
3. Anti-jamming
According to need to set the checksum. Module internal has transient suppression diodes, can inhibit a variety of surge pulse, protection module, and internal digital filter can also be well suppressed from the grid frequency interference.

 
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