DC Current/Voltage to RS485/RS232 Converter(1-ch DS18B20 Temp.Signal Input) SYAD02
Analog data acquisition isolated AD conversion amplifier. Shunyuan technology patented products
Product Description
SYAD02C Series A-D Converter Model selection：
SY AD 02C U(A)□ - 232/485
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
Note：SY AD 02C can support RS232 and RS485 communication port output, user can choose the communication port according the application environment. But at the same time, only one communication port can work, otherwise thre is interference.
Model Selection Examples:
1. SY AD 02C A4-232: Means 2-channel 4-20ma input, support 1-channel DS18B20 temperature signal input, RS232 output.
2. SY AD 02C A7-485: Means 2-channel 0-5V input, support 1-channel DS18B20 temperature signal input, RS485 output.
3. SY AD 02C U1-232: Means 2-channel 0-±5V input, support 1-channel DS18B20 temperature signal input, RS232 output.
SY AD 02C Series A-D Converter General Parameters：
(typical @ +25℃，Vs@24VDC)
Input： Voltage / Current
Accuracy： 0.05%
put imbalanceIn： ±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：10 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）
Temperature Measure Range: -55℃~+125℃, with inherent temperature resolution 0.5℃.
Input terminal protection： over-voltage/over current protection
Communications： protocol RS-485 or RS-232 ASCII character communication protocol and MODBUS RTU communication protocol
Baud rate（300、600、1200、2400、4800、9600、19200、38400bps）software selectable
address（00H~FFH）software selectable
Response Time：100 ms max
Operation Power Supply： +8 ~ 50 VDC wide power supply range, internal anti-reverse & over-voltage protection
watt consumption： < 1W
Operation Temperature： - 45 ~ +80℃
Operation Humidity： 10 ~ 90% (non-condensing)
Storage Temperature： - 45 ~ +80℃
Storage Humidity： 10 ~ 95% (non-condensing)
Isolation withstand voltage： between input and output： 3KVDC，1 minute，stray current 1mA
Output and power are common-ground.
Endure Impact Voltage： 3KVAC， 1.2/50us(peak value)
Dimensions： 120 mm x 70 mm x 30mm
Weight： approximately 72g
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