Best Selling Isolated 4-20mA/0-5V to modbus Converter
16-channle Analog Signal RS232/RS485 Isolated A-D Converter with MODBUS RTU
Model selection
ISOAD16 U(A)□ - □
U/A:Vin/Iin Communication interface
U1：0-5V A1：0-1mA 485：Output is RS-485 interface
U2：0-10V A2：0-10mA 232：Output is RS-232 interface
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
Note: User could choose RS-485 or RS-232 output by the interface wiring jumper at the back of the product.
1：ISOAD16 A4-485 Means 4-20ma signal output, output is RS485 interface
2：ISOAD16 A7-232 Means 0-5V signal output, output is RS232 interface
ISOAD 16 A-D Converter General Parameters：
(typical @ +25℃，Vs @ 24VDC)
Input： Voltage / Current
Accuracy： @ +25℃ as table 1
Nonlinearity ： @ +25℃ as table 1
Input imbalance： ±0.1 uA/℃
Temperature Drift: ±15 ppm/℃ (±30 ppm/℃, max)
Input load： 50Ω (4-20mA/0-20mA/0-±20mA current input)
100Ω (0-10mA/0-±10mA current input)
1KΩ (0-1mA/0-±1mA current input)
>1MΩ (voltage input)
Band width： -3 dB 10 Hz
Switching rate: 2.5-30 KHz Sps
Common mode restraint (CMR)： 120 dB（1kΩ Source Imbalance @ 50/60 Hz）
Normal mode restraint (NMR)： 60 dB （1kΩ Source Imbalance @ 50/60 Hz）
Input terminal protection： over-voltage/over current protection
Communications Protocol: RS-485 or RS-232 ASCII character protocol and standard MODBUS RTU communication protocol
Baud rate: 300、600、1200、2400、4800、9600、19200、38400bps、57600、115200bps , selectable
Address: 0～255 , selectable
Response Time：100 ms max
Operation Power Supply： +24VDC+-10%, internal anti-reverse & over-voltage protection
watt consumption： <8W
Operation Temperature： - 45 ~ +80℃
Operation Humidity： 10 ~ 90% (non-condensing)
Storage Temperature： - 45 ~ +80℃
Storage Humidity： 10 ~ 95% (non-condensing)
Isolation withstand voltage： 3KVDC between input and output, 1 minute, stray current 1mA
Output and power are common-ground.
Endure Impact Voltage： 3KVAC, 1.2/50us(peak value)
Appearance & dimension： 158*87.5*59mm
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