Industrial 4-Ch RS485/RS232 Digital Input/Output Module with Modbus RTU Protocol, Isolation Protection
$30.99








Outline dimensions

Remote I/O Controller Selection Guide
External interface | |
Size | L x W x H =12.2cm×7.2cm×3.4cm |
Serial port parameters | |
RS485 interface, 1200-115200(default 9600bps), 8-bit data bits, NONE check, and 1-bit stop bit | |
Software | |
Upper-level agreement | MODBUS RTU |
Underlying communication | RS485 |
Relay transmission speed (i.e., response time) | |
4CH-IO-RS232/485: <30ms | |
AI input form(Confirm before leaving the factory) | |
Current input: 4~20mA,0~20mA Voltage input: 0-5V, 0-10V Resistance input: 0-10K, resistance-type temperature and humidity sensors, etc | |
Power consumption | |
4CH-IO-RS232/485:<1.7W <70mA@24V | |
Environmental requirements | |
Operating temperature | -40~85℃ |
Storage temperature | -45~165℃ |
Humidity range | 5 to 95% relative humidity |











