RS232 Relay Board 2CH DC 12V 24V Serial Port Switch Module for PLC Motor LED PTZ
ab 8,87 €
The communication interface supports RS232 DB9 serial port;. 1 RS232 relay module. Working current: Standby 12MA, 1 relay lead 40MA, 2 relay lead 67MA, 3. Support self-locking mode (reverse state of relay, if relay NO and COM are closed, send this command to disconnect NO and COM, and vice versa);.
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