Type:Logic ICs
Condition:New
I. Product Overview
l 6Single-ended analog input (DC-type 0-20mA / 4-20mA), using an independent industrial grade AD 12 capture chip
l 4Optically isolated digital inputs and four opto-isolated digital output (NPN transistor open collector output)
l Using RS485 MODBUS RTU standard communication, networking and configuration software can be, PLC, touch screen and other industrial
l With communication and input and output status indicator
l Communication circuit lightning protection, anti-jamming design
l Signal acquisition and control can be widely used in industrial field devices
l Normal three-year warranty
Second, the main parameters
l Analog Inputaisle6Single-ended
l Analog Input TypeDC-type 0-20mA / 4-20mA
l Analog input accuracy ± 0.02mA
l 4 digital input channels (active low)
l 4 digital output channels (NPN transistorOpen CollectorOutput, 500mA)
l Operating temperature range -20 ~ 70
l External power supply DC 9V ~ 30V / 2W
l 1500VDC isolation protection
l Standard DIN rail mounting or screw mounting
l Dimensions 125 × 73 × 35mm
Third, the interface definition
| AVcc | External power input positive terminal |
| AGnd | Negative external power input terminal |
| AI_1 + | The first analog input positive terminal |
| AI_2 + | 2-channel analog input positive terminal |
| AI_3 + | 3-channel analog input positive terminal |
| AI_4 + | Article 4 analog input positive terminal |
| AI_5 + | 5-channel analog input positive terminal |
| AI_6 + | 6 analog inputs the positive terminal |
| Gnd | Signal ground, then the negative side of the analog input |
| Gnd | Signal ground, then the negative side of the analog input |
| DI_01 | The first digital inputs |
| DI_02 | 2 digital inputs |
| DI_03 | 3 digital inputs |
| DI_04 | Article 4 digital inputs |
| DO_01 | The first digital outputs |
| DO_02 | 2 digital outputs |
| DO_03 | 3 digital outputs |
| DO_04 | Article 4 digital outputs |
| 485A | RS485Signal A + |
| 485B | RS485Signal B- |
Fourth, the digital / analog application diagram
1Digital input applications
2Digital output Applications
3Analog input applications
Fifth, communications instructions
1??Communication Parameter Description (Factory default): 9600, N,8,1
| Parameters | Explanation |
| 9600 | Baud Rate |
| N (No parity) | Check Digit |
| 8 | Data bits |
| 1 | Stop bit |
2??Analog input signal acquisition command:
Send: 01 0300 00 00 06 C5 C8 (cases / hex)
| Data | Byte | Data Description | Remark |
| 01 | 1 | Module address | Address range 01-FE |
| 03 | 1 | Function code | 03-Read register |
| 0000 | 2 | Register Address (4x type) | 0000-Analog Input starting register address |
| 0006 | 2 | Read length | 0006-Read six registers |
| C5C8 | 2 | CRCChecksum | In front of all the data of CRC |
Receive:01 03 0C 07 69 00 00 00 00 00 00 00 00 00 00 B6 26(Cases / hex)
| Data | Byte | Data Description | Remark |
| 01 | 1 | Module address | Address range 01-FE |
| 03 | 1 | Function code | 03-Read register |
| 0C | 1 | Byte count | 0C-Read 12-byte length |
| 0769 0000 0000 0000 0000 0000 | 12 | Read data | 0769-Reads the analog input channel 1 data 0000-Reads the analog input channels 2 Data 0000-Reads the analog input channel 3 Data 0000-Reads the analog input channel 4 data 0000-Reads the analog input channel 5 Data 0000-Reads the analog input channel 6 data |
| B626 | 2 | CRCChecksum | In front of all the data of CRC |
Receive instruction Description The analog input channel 1 current data is "0769", converted into decimal number 1897, on behalf of the formula: I = (DATA * 20) / 4095 = (1897 * 20) /4095≈9.26mA, other channel current data 0mA
3, Digital input signal acquisition command:
Send:01 02 00 00 00 04 79 C9(Cases / hex)
| Data | Byte | Data Description | Remark |
| 01 | 1 | Module address | Address range 01-FE |
| 02 | 1 | Function code | 02Read input bits |
| 0000 |
