User Documentation

Purpose of the product
8 1486840000/01/11.2017
4. Purpose of the product
The ACT20X-SDI-HDO-H is an one channel universal Ex driver for the control of solenoids etc. with various
Ex data by way of three built-in Ex barriers. The device can be mounted in the safe area and in Zone 2 /
Division 2 and transmit signals to Zone 0, 1, 2, 20, 21, 22 and mines or Class I/II/III, Division 1, Group A-G.
Ex driver for the control of ON / OFF solenoids, acoustic alarms and LEDs mounted in the hazardous area.
The ACT20X-SDI-HDO-H is controlled by an NPN/PNP signal or a switch signal. Monitoring of internal error
events via the individual status relay. The ACT20X-SDI-HDO-H has been designed, developed and certified
for use in SIL 2 applications according to the requirements of IEC 61508.