2-Channel/4-Channel DC Current/Voltage to RS485/232 Converter a-D Converter Support Modbus RTU Data Acquisition with LED Display

2-Channel/4-channel DC Current/Voltage to RS485/232 Converter A-D Converter Support Modbus RTU Data Acquisition with led display


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.
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 @ +25ºC,Vs is 24VDC)
Input:  Voltage / Current
Accuracy:  0.05%
Input maladjustment:    ±0.1 uA/ºC
Temperature Drift:  ±15 ppm/ºC (±30 ppm/ºC, 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 ~ +80ºC         
Operation Humidity:   10 ~ 90% (non-condensing)
Storage Temperature:   - 55 ~ +85ºC               
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