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9203 - Product Version 9203-001
SOLENOID / ALARm DRIVER
9203
• Universal Ex driver for solenoids, acoustic alarms and LEDs
• Extended self-diagnostics
• 1 or 2 channels
• Can be supplied separately or installed on power rail, PR 9400
• SIL 2-certified via Full Assessment
Advanced features
• Universal Ex driver for the control of solenoids etc. with various Ex data by
way of three built-in Ex barriers.
• Two hardware versions make it possible to choose either Low (35 mA) or High
(60 mA) current output.
• Configuration and monitoring by way of detachable display front (PR 4501).
• Selection of direct or inverted function for each channel via PR 4501 and the
possibility of reducing the output current to the hazardous area to suit the
application.
• Optional monitoring of the output current to the hazardous area by way of PR
4501.
• Optional redundant supply via power rail and/or separate supply.
Application
• The device can be mounted in the safe area and in zone 2 / div. 2 and
transmit signals to zone 0, 1, 2, 20, 21 and 22.
• Ex driver for the control of ON / OFF solenoids, acou stic alarms and LEDs
mounted in the hazardous area.
• The 9203 is controlled by an NPN/PNP signal or a switch signal.
• Monitoring of internal error events via the individual status relay and/or a
collective electronic signal via the power rail.
• The 9203 has been designed, developed and certified for use in SIL 2
applications according to the requirements of IEC 61508.
Technical characteristics
• 1 green and 2 yellow/red front LEDs indicate operation status and malfunction.
• 2.6 kVAC galvanic isolation between input, output and supply.
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