Product Name: 16DO DC 12V 24V RS485 Isolated Communication Switch Digital Output Relay Module MODBUS RTU PLC Expansion Board
Package inlcuded:
1 PCS DC 12V 24V 16 DO RS485 Output Module Board
1 Product description16ch optoelectronic isolation digital output channel (ULN2803 NPN output)RS485 MODBUS RTU standard communication protocolNetted with configuration software, PLC or industry touch panelCommunication circuit designed for thunder protection and interference immunityUsed for signal collection and control in industrial field2 Specification1 Working voltage: DC 7-25V (9V 12V 24V)2 Working current: 8-50MA4 16 Darlington tube outputs (ULN2803 NPN output), the maximum load current of each channel is 300MA5 RS485 communication isolation protection 3000VDC, DI digital input port isolation protection 3000VDC6 Standard MODBUS RTU command (function code, 05/06/15/16 Write, 01/02/03 Read )7 Baud rates: 1200 2400 4800 9600 (default) 19200 38400 57600 1152008 Parity bits: None (default) /Even /Odd9 Installation method Standard DIN rail installation10 Dimensions 125×70×30mm11 Weight: 114 grams3 Interface definition:VCC : Power input+GND: Power input-DO1: digital output channel 1DO2: digital output channel 2DO3: digital output channel 3DO4: digital output channel 4DO5: digital output channel 5DO6: digital output channel 6DO7: digital output channel 7DO8: digital output channel 8DO9: digital output channel 9DO10: digital output channel 10DO11: digital output channel 11DO12: digital output channel 12DO13: digital output channel 13DO14: digital output channel 14DO15: digital output channel 15DO16: digital output channel 16A+: RS485 signal A+B-: RS485 signal B-
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Application
PLC Output expansion boardSmart Home,Home Automation ,Wiser Home;
PTZ CCTV Camera
Security Monitoring
Identification system;
Motor FW & BWAutomatic curtain control1 Digital output wiring diagramNote: The Darlington tube has only two states of ''high resistance'' and ''conduction'', and the output level cannot be measured with a multimeter.
RS485 Networking Diagram
Modbus Rtu Register:
RS485 Networking Diagram
Modbus Rtu Register:
