4 Channel Rs232 Relay Board

Low cost 1 channel 20a spdt relay controller with rs 232 interface.

4 channel rs232 relay board.

Fully assembled and tested. Kmtronic usb 4 channel relay board rs232 serial controlled pcb. 4 channel rs 232 relay board. Customer questions answers see questions and answers.

Each relay has an led to indicate when it is operated. Relay control with terminal block rs232 interface. Integrated standard serial and power connector convenient terminal blocks for easy electronic connections highly reliable relay board for demanding applications. 4 channel rs232 relay daq board irs 4rd welcome to the world of computer automation.

These boards are best if you want to operate any electrical equipment by pc. Kmtronic usb 4 channel relay board rs232 serial controlled pcb. Mix and match up to 256 devices in any combination. Welcome to the world of computer automation.

This is an intro of 4 channel rs 232 based relay board module from iknowvations. Omron srmi c02 master control unit 24vdc peripheral rs232c. Read honest and unbiased product reviews from our users. Rs232 db9 serial control relay 5v 2 channel switch board scm pc relays.

It is rs232 based card having 4 onboard relays for switching external devices. This relay controller was developed for users with low current low signal switching applications such as telecommunications networking video line. Relays have normally open no and. Rs 232 serial relay controller.

It is rs232 based card having 4 onboard relays for switching external devices and up to 6 digital input output and 4 analog channels. This rs232 relay board irs 4r is a perfect companion for all your computer automation projects. 1 x 4 ch rs232 serial control relay board. This rs232 relay board irs 4rd is a perfect companion for all your computer automation projects.

2 9 out of 5. 2 9 out of 5 stars.