4 Channel Rs232 Relay Board

It is rs232 based card having 4 onboard relays for switching external devices and up to 6 digital input output and 4 analog channels.

4 channel rs232 relay board.

Kmtronic usb 4 channel relay board rs232 serial controlled pcb. Pro series relay control control all or individual relays with two way communication quick start kit available for easy rs232 connection highly reliable relay board for demanding applications rs 232 serial relay controller our rs 232 relay boards are fully e3c complaint allowing up to 256 ncd devices to share a single rs 232 serial port. Relay outputs can be used to turn on off lights motors and other devices. 1 x 4 ch rs232 serial control relay board.

It is rs232 based card having 4 onboard relays for switching external devices. Relay control with terminal block rs232 interface. This rs232 relay board irs 4r is a perfect companion for all your computer automation projects. Integrated standard serial and power connector convenient terminal blocks for easy electronic connections highly reliable relay board for demanding applications.

5 star 9 4 star 32 3 star 24 2 star 11 1 star 25. 4 channel rs 232 relay board. Read honest and unbiased product reviews from our users. Kmtronic usb 4 channel relay board rs232 serial controlled pcb.

Customer questions answers see questions and answers. These boards are best if you want to operate any electrical equipment by pc. Welcome to the world of computer automation. 4 channel rs232 relay daq board irs 4rd welcome to the world of computer automation.

This relay controller was developed for users with low current low signal switching applications such as telecommunications networking video line. Each relay has an led to indicate when it is operated. Rs232 db9 serial control relay 5v 2 channel switch board scm pc relays. Low cost 1 channel 20a spdt relay controller with rs 232 interface.

Mix and match up to 256 devices in any combination. 2 9 out of 5 stars. Fully assembled and tested. This rs232 relay board irs 4rd is a perfect companion for all your computer automation projects.

Relays have normally open no and. 2 9 out of 5.