Type:Logic ICs
Condition:New
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I. Product Overview
l 16Opto-isolated digital outputs (NPN open collector transistor output )
l Using RS485 MODBUS RTU standard communication , networking and configuration software can be , PLC, industrial touch screen , etc.
l With communications and output 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 Digital output channels 16 (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 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 |
| DO_01 | The first digital outputs |
| DO_02 | The first two digital outputs |
| DO_03 | 3 digital outputs |
| DO_04 | 4 digital outputs |
| DO_05 | 5 digital outputs |
| DO_06 | 6 digital outputs |
| DO_07 | Section 7 digital outputs |
| DO_08 | Section 8 digital outputs |
| DO_09 | Article 9 digital outputs |
| DO_10 | The first 10 digital outputs |
| DO_11 | 11 digital outputs |
| DO_12 | 12 digital outputs |
| DO_13 | The first 13 digital outputs |
| DO_14 | 14 digital outputs |
| DO_15 | 15 digital outputs |
| DO_16 | 16 digital outputs |
| 485A | RS485Signal A + |
| 485B | RS485Signal B- |
Fourth, the digital output application diagram
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 |
2, The digital output signal control commands ( multiple control ) :
Send : 01 0F 00 00 00 10 02 21 86 7B D2 ( case / 16 hex )
| Data | Bytes | Data Description | Remarks |
| 01 | 1 | Module address | Address range 01-FE |
| 0F | 1 | Function Code | 0F-Write multiple coils |
| 0000 | 2 | Coil address (0x type ) | 0000-Coil start address |
| 0010 | 2 | Write coil length | 0010-Write 16 coils |
| 02 | 1 | Write data byte | 02Write two bytes of data |
| 2186 | 2 | Write data | 2186-Write 16 coils output state |
| 7BD2 | 2 | CRCChecksum | All the data in front of the CRC |
Reception : 01 0F 00 00 00 10 54 07 ( cases / 16 hex )
Written data "21" , is converted into a binary number " 00100001 " , from left to right correspond to eight digital output signal status DO_08-DO_01 of written data " 86 " is converted into 2 into system number is " 10000110 " , from left to right respectively 8 digital output signal status DO_16-DO_09 , that DO_16, DO_11, DO_10, DO_06, DO_01 there is output , no other channel output , the module receives the correct command after making the appropriate action based on the command and response command sent back to the host , indicating successful communication
3, The digital output signal control commands ( individual control ) :
Send : 01 05 00 00 FF 00 8C 3A ( case / 16 hex )
| Data | Bytes | Data Description | Remarks |
| 01 | 1 | Module address | Address range 01-FE |
| 05 | 1 | Function Code | 05-Single Coil |
| 0000 | 2 | Coil address (0x type ) | 0000-Digital output (DO_01) coil address 0001-Digital output (DO_02) coil address 0002Digital output (DO_03) coil address 0003-Digital output (DO_04) coil address 0004-Digital output (DO_05) coil address 0005Digital output (DO_06) coil address 0006-Digital output (DO_07) coil address 0007-Digital output (DO_08) coil address 0008-Digital output (DO_09) coil address 0009-Digital output (DO_10) coil address 000A-Digital output (DO_11) coil address 000B-Digital output (DO_12) coil address 000C-Digital output (DO_13) coil address 000D-Digital output (DO_14) coil address 000E-Digital output (DO_15) coil address 000F-Digital output (DO_16) coil address |
| FF00 | 2 | Write data | FF00-Coil open , 0000- coil off |
| 8C3A | 2 | CRCChecksum | All the data in front of the CRC |
Reception : 01 05 00 00 FF 00 8C 3A ( case / 16 hex )
After the module receives the correct command , make the appropriate action based on the command and response command sent back to the host , indicating successful communication
4, Digital output status acquisition command :
Send : 01 01 00 00 00 10 3D C6 ( case / 16 hex )
| Data | Bytes | Data Description | Remarks |
| 01 | 1 | Module address | Address range 01-FE |
| 01 | 1 | Function Code | 01-Read coil status |
| 0000 | 2 | Coil address (0x type ) | 0000-Coil start address |
| 0010 | 2 | Read Coil length | 0010-Read 16 coil state |
| 3DC6 | 2 | CRCChecksum | All the data in front of the CRC |
Reception : 01 01 02 21 86 20 0E ( case / 16 hex )
