PR electronics 9203B1B2 Solenoid/Alarm Driver, Low Current, Double

PR electronics, 9203B1B2, Solenoid/Alarm Driver, Low Current, Double, NPN

Features

• 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
• 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

• 9203B can be mounted in the safe area or in zone 2 / div. 2 and transmit signals to zone 0, 1, 2 and zone 20, 21, 22 including M1 mining / Class I/II/III, Div. 1, Gr. A-G.
• The 9203B 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 9203B has been designed, developed and certified for use in SIL 2 applications according to the requirements of IEC 61508.

Characteristics

• 1 green and 2 yellow/red front LEDs indicate operation status and malfunction.
• 2.6 kVAC galvanic isolation between input, output and supply.

Mounting

• The devices can be mounted vertically or horizontally without distance between neighbouring units.