User Documentation

Purpose of the product
8 1482880000/01/11.2017
4. Purpose of the product
The ACT20X-SDI-HDO-L is an one channel, the ACT20X-2SDI-2HDO is a two 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-(2)SDI-(2)HDO-(L) is controlled by an NPN/PNP signal or a switch signal. Monitoring of internal
error events via the individual status relay. The ACT20X-(2)SDI-(2)HDO-(L) has been designed, developed
and certified for use in SIL 2 applications according to the requirements of IEC 61508.