RS232/RS485 to dual-channel 4-20mA D/A converter

Product Specification

RS232/RS485 to dual-channel 4-20mA D/A converter selection example:
Sample 1: Model:JSD DA-A02-485-IO4   RS-485 Interface,4-20mA signal output
Sample 2: Model:JSD DA-A02-232-VO1  RS-232 Interface,0-5V signal output
Sample 3: Model:JSD DA-A02-232-VO3  RS-232 Interface,0-75mV signal output

RS232/RS485 to dual-channel 4-20mA D/A converter Product Selection:

JSD DA-A02 - □     -   □

 Interface                                                      Voltage or Current outputting code

485:Input is RS-485 interface                   VO1:0-5V            IO1:0-1mA

232:Input is RS-232 interface                    VO2:0-10V         IO2:0-10mA

                                                                         VO3:0-75mV      IO3:0-20mA

                                                                          VO4:0-2.5V       IO4:  4-20mA

                                                                         VO5:0-±5V         IO5 :0-±1mA

                                                                          VO6:0-±10V      IO6:0-±10mA

                                                                          VO7:0-±100mV   IO7:0-±20mA

                                                                          VO8:user-defined  IO8:user-defined

RS232/RS485 to dual-channel analog signal D/A converter Features and application:
● 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
● 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

 D/A converter 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.
 

JSD DA-A02 General parameters:

(typical @ +25 ℃, Vs to 24VDC)

Output type: current / voltage signal

Accuracy: 0.2%

Output maladjustment: current output ± 0.5 uA / ° C, voltage output of ± 0.1 mV / ° C

Temperature drift:± 20 ppm / ℃ (± 30 ppm / ℃, maximum)

Output load capacity: current output 350Ω (4-20mA/0-20mA/0- ± 20mA current output)

voltage output 10mA (0-5V/0-10V/0- ± 5V voltage output)

Communication: RS-485 protocol or RS-232 standard characters protocols and MODBUS RTU communication protocol

Baud Rate (1200,2400,4800,9600,19200,38400 bps) can be selected via software

Address (0 to 255) can be selected via software

Communication Response Time: 100 ms maximum

Power Supply: +8 ~ 32VDC wide range power supply, internal anti-reverse and over-voltage protection circuit

Power Loss: less than 1.5W

Operating Temperature: - 45 ~ +80 ℃

Humidity: 10 ~ 90% (no condensation)

Storage Temperature: - 45 ~ +80 ℃

Storage Humidity: 10 ~ 95% (no condensation)

Isolation Voltage: communication interface / output: 3KVDC, 1 minute, leakage current:1mA

Which communication interface and power supply are common ground.

Shock Voltage: 3KVAC, 1.2/50us (peak)

Dimensions: 106.7 mm x 79 mm x 25mm