Description

Advanced features

• Configuration and monitoring by way of detachable display front (PR 4511/4501).
• Selection of direct or inverted function for each channel via PR 4511/4501.
• Advanced monitoring of internal communication and stored data.
• Optional redundant supply via power rail and/ or separate supply.
• SIL 2 functionality is optional and must be activated in a menu point.

Application

• The device can be mounted in and receive signals from non-classified area and zone 2.
• Pulse isolator for transmission of signals from NAMUR sensors and mechanical switches.
• Monitoring of error events and cable breakage via the individual status relay and/or a collective electronic signal via the power rail.
• The 9202A 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.