RS232/485 Digital Signal to 4-20ma Analog Signal Converter
RS485/232 to 4-20ma/0-5V/0-10V/0-2.5V D-A Converter
Model Selection:
ISODA O□- □
Output voltage or current value Communication Interface
O1:4-20mA 485： out is RS-485 interface
O2:0-20mA 232： out is RS-232 interface
O4:0-5V 232/485：out is one RS232 or RS485 interface
O5:0-10V (Key-press Choice)
O6:1-5V
O7:0-±5V
O8:user-defined
O9: 0-±20mA
O10: 0±10V
Note:When interface type is 232/485, default is RS485 output, user can switch between RS485 and RS232 by pushing down 2 buttons inside the chassis. When both buttons are pushed down, output is RS232,or is RS485 output.
Example:
1. ISODA O1-485 Means 4-20ma signal output,output is RS485 interface
2. ISODA O4-232 Means 0-5V signal output,output is RS232 interface.
3. ISODA O7-232/485 Means 0-±5V signal output,output is RS485 or RS232 interface
(Key-press Choice)
General Parameters
(typical @ +25℃,Vs is 24VDC)
Outputs: Voltage / Current
Accuracy: 0.2%
Output Maladjustment: current output ±0.5 uA/℃,voltage output ±0.1mV/C
Temperature Drift: ±20 ppm/℃(±30 ppm/℃,max)
Output Resistance: current output 350Ω (4-20mA/0-20mA/0-±20mA output)
Voltage output 10mA (0-5V/0-10V/0-±5V output)
Communications
Protocol RS-485 or RS232 ASCII format,MODBUS
Baud Rates Software Selectable (300、600、1200、2400、4800、9600、19200、38400bps）
Address (0～255) Software Selectable
Response Time: 100 ms,max
Operation Power Supply: +8~50VDC
Power Loss: <1.5W
Operation Temperature: - 45 ~ +80℃
Operation Humidity: 10 ~ 95% (non-condensing)
Storage Temperature: - 45 ~ +80℃
Storage Humidity: 10 ~ 95% (non-condensing)
Isolation Input/Output: 3KVDC,1 minute,leak current:1mA
Interface and power supply are common-ground.
Endure Impact Voltage: 3KVAC,1.2/50us(peak value)
Mechanical Dimensions: 83 mm x 37 mm x 51 mm
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