China 2 Channel RS485 232 Data Acquisition with Modbus Protocal

Analog signal to digital signal data acquisition modules
Features:
Low cost, small size
Analog signal acquisition, isolated conversion
RS-485/232 output
Analog signal output accuracy>0.5%
RS-485/232 output, can be remotely reconfigured
For modules accuracy Input signal/Output signal 3000VDC
Wide power supply range: 8 ~ 50VDC
High reliability, convenient programming, easy Installation and wring
User can set module address and baud rate, etc. By Programming
Support Modbus RTU communication protocol
Application:
Signal testing/ monitoring /control
Intelligent building control, security and Engineering applications
RS-232/485 industrial automation control System
Industrial fields signal isolation and Long-terms transmission
Debugging and controlling of equipment Operation
Sensors signal test
Acquisition and record of industrial field Data
Development of medical and industrial Products
Model selection:
SY AD 02(4)A -U(A)
02(4): Input Channel
02: 2 Channel
04: 4 Channel
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
Note: Support both RS232 and RS485 interface, support MUDBUS RTU.
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 Selection Examples: .
1: SYAD02A A4 Means 2channel, 4-20ma signal input, output is RS485 or RS232 interface
2: SYAD02A A7 Means 2channel, 0-5V signal input, output is RS485 or RS232 interface
3: SYAD04A U1 Means 4channel, 0-± 5V signal input, output is RS485 or RS232 interface
SYAD02/04A A-D Converter General Parameters:
(typical @ +25, Vs is 24VDC)
Input: Voltage / Current
Accuracy: 0.05%
Input maladjustment: ± 0.1 uA/º C
Temperature Drift: ± 15 º Cppm/ (± 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