Modbus RTU Analog Signal Acquisition, RS485/232 Output a-D Converter

• Customization: Available
• Usage: DC Current Voltage Signal Conversion
• Type: Wired
• Model NO.: ISO 4021 U/A-232/485
• Certification: CE, ISO, RoHS
• Condition: New
• Data Acquisition: PCS
• Transport Package: 35mm DIN Rail-Mounted Type
• Specification: ISO9001: 2008, CE, ROHS
• Trademark: SUNYUAN SZ
• Origin: Shenzhen
• HS Code: 90269000
• Production Capacity: 50000PCS/Year

Product Description

Modbus RTU Analog Signal Acquisition, RS485/232 Output A-D Converter

ISO4021 Series A-D Converter Features:
-Analog signal acquisition, isolated conversion RS485/232 output
-Testing accuracy>0.05%
-Can be remotely reconfigured for modules accuracy
-Input signal/Output signal: 3000VDC
-Wide power supply range: 8~50V
-High reliability, easy programme, installation.
-Can programme setting module address, baud rate
-Modbus RTU

ISO4021 Series A-D Converter Applications:
-Signal testing/ monitoring /control
-RS232/485 industrial automation control system
-Industial field signal isolation
-Process Monitoring & Control
-Test sensors signal
-Laboratory Data Acquisition
-Medical machine monitoring
-4~20mA/0~20mA signal acquisition

ISO 4021Series A-D Converter Function Description:
ISO 4021 isolated modules to test one channel voltage/current signals, or 2 channel common ground and isolation current/voltage signals.
Anaolg Input Module:
24 bit accuracy, have been calibrated all signal input before ex factor. Also, Users can programme himself, Two input types must be same when testing two signals.
Communication software:
Communication Interface: 1 standard RS485 interface or 2 standard RS232 interface
Communication agreement: Standard ASCII, MODBUS, can make network communicate
With PLC, RTU or watch software.
Data format: 10 bit, 1 start bit, 8 data bits, 1 stop bit.
Communication address (0~255) and baud rate (300\600\1200\2400\4800\9600\19200\
38400BPS), Max. Communication distance: 1200m, connect by both twists shiled cable. ± 15KV ESDprotection, communication response time is less than 100mS.
Anti jamming:
Set checksum according to need. Its inside contains MOMENTARY bate diode, can
Restrain surge impulse, protect modules.

ISO 4021 Series A-D Converter Model selection:

ISO 4021A U(A) -

Input voltage or current signal
U1: 0-5V A1: 0-1mA
U2: 0-10V A2: 0-10mA
U3: 0-75mV A3: 0-20mA
U4: 0-2.5V A4: 4-20mA
U5: 0-± 5V A5: 0-± 1mA
U6: 0-± 10V A6: 0-± 10mA
U7: 0-± 100mV A7: 0-± 20mA
U8: Customized A8: Customized

Communication interface
485: Output is RS-485 interface
232: Output is RS-232 interface
232/485: Output is RS-232orRS-485interface, RS232/485 switchover freely

Model no	Input	Output
ISO 4021 A4-485	4-20mA	RS-485
ISO 4021 U1-232	0-5V	RS-232