China RS232 485 Modbus Analog to Digital Data Acquisition Module

RS232/485 Modbus Analog to Digital Data Acquisition Module
SY AD02A

SYAD02/04A A-D Converter General Parameters:
(typical @ +25º C, Vs is 24VDC)
Input: Voltage / Current
Accuracy: 0.05%
Input maladjustment: ± 0.1 uA/º C
Temperature Drift: ± 15 ppm/º C (± 30 ppm/º C, 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)
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 ~ +80º C
Operation Humidity: 10 ~ 90% (non-condensing)
Storage Temperature: - 55 ~ +85º C
Storage Humidity: 10 ~ 95% (non-condensing)
Isolation withstand voltage: Between input and output: 3KVDC, 1 minute, leakage current 1mA
Output and power are common-ground.
Endure Impact Voltage: 3KVAC, 1.2/50us(peak value)
Dimensions: 123 mm x 70 mm x 30mm
Weight: Approximately 72g
Model selection guide:
Dimensions:
Pin description: