Model Number:WP3082ADAM
Type:Logic ICs
Condition:New
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I. Product Overview
l 8Single-ended analog input ( DC type 0-20mA /4-20mA), using an independent industrial grade AD 12 capture chip
l Using RS485 MODBUS RTU standard communication , networking and configuration software can be , PLC, industrial touch screen , etc.
l With communication status indicator
l Communication circuit lightning , anti-jamming design
l Signal acquisition and control can be widely used in industrial field devices
l Normal use of three-year warranty
Second, the main parameters
l Analog InputAisle8Single-ended
l Analog Input TypeDC-type 0-20mA / 4-20mA
l Analog input accuracy ± 0.02mA
l Operating temperature range -20 ~ 70
l External power supply DC 9V ~30V / 2W
l 1500VDC isolation protection
l Standard DIN mounting rail or screw mounting
l Dimensions 125 × 73 × 35mm
Third, the interface definition
| AVcc | The positive terminal of the external power input |
| AGnd | Negative external power input terminal |
| AI_1 + | The first analog input positive terminal |
| Gnd | Signal ground , then the first analog input negative terminal |
| AI_2 + | 2 analog inputs positive terminal |
| Gnd | Signal ground , then a second analog input negative terminal |
| AI_3 + | The first three analog input positive terminal |
| Gnd | Signal ground , then the first three analog input negative terminal |
| AI_4 + | 4 analog inputs positive terminal |
| Gnd | Signal ground , then the first four analog inputs negative terminal |
| AI_5 + | The first five -channel analog input positive terminal |
| Gnd | Signal ground , then the first five analog inputs negative terminal |
| AI_6 + | The first six -channel analog input positive terminal |
| Gnd | Signal ground , then the first six -channel analog input negative terminal |
| AI_7 + | The first seven analog inputs positive terminal |
| Gnd | Signal ground , then the first seven analog inputs negative terminal |
| AI_8 + | The first eight -channel analog input positive terminal |
| Gnd | Signal ground , then the first 8 -channel analog input negative terminal |
| 485A | RS485Signal A + |
| 485B | RS485Signal B- |
Fourth, a schematic diagram of the analog input
Five , communications instructions
1,Communication Parameters ( factory default ): 9600, N, 8,1
| Parameters | Description |
| 9600 | Baud Rate |
| N (No parity ) | Parity bit |
| 8 | Data bits |
| 1 | Stop bits |
2Analog input signal acquisition command :
Send : 01 03 00 00 00 08 44 0C ( case / 16 hex )
| Data | Bytes | Data Description | Remarks |
| 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 |
| 0008 | 2 | Read length | 0008-Read eight registers |
| 440C | 2 | CRCChecksum | All the data in front of the CRC |
Reception : 01 03 10 09 CE 00 00 00 00 00 00 00 00 00 00 00 00 00 00 6C 5B ( case / 16 hex )
| Data | Bytes | Data Description | Remarks |
| 01 | 1 | Module address | Address range 01-FE |
| 03 | 1 | Function Code | 03-Read register |
| 10 | 1 | Bytes | 10-Read 16 bytes in length |
| 09CE 0000 0000 0000 0000 0000 0000 0000 | 16 | Read data | 09CE-Read analog input channel 1 data 0000-Read analog input channel 2 data 0000-Read analog input channel 3 data 0000-Read analog input channel 4 data 0000-Read analog input channel 5 Data 0000-Read analog input channel 6 Data 0000-Read analog input channel 7 Data 0000-Read analog input channel 8 data |
| 6C5B | 2 | CRCChecksum | All the data in front of the CRC |
Receive instructions explained analog input channels 1 Current data "09CE", converted to decimal for 2510 , substituted into the formula : I = (DATA * 20) / 4095 = (2510 * 20) /4095≈12.26mA, other channel current data 0mA
3,Module address setting command :
Send: 0,006,006,400,010,804 ( case / 16 hex )
| Data | Bytes | Data Description | Remarks |
| 00 | 1 | Module address | 00-Bulk Address |
| 06 | 1 | Function Code | 06-Write single register |
| 0064 | 2 |
