7908 System 9000 Backplane

Brand: PR Electronics

  • Provides safe, easy wiring between the backplane and non I.S. automation systems using standard prefabricated I/O cables
  • Direct, Redundant and Duplicate signalling - including HART I/O
  • Robust, compact high-end design solution for 8 system 9000 units
  • Digital output and LEDs indicate backplane system status
  • Robust, compact high-end design that holds 8 system 9000 units.
  • Digital output indicates status of the 9000 devices and primary/back-up power supplies.
  • Flexible 24 VDC supply voltage and redundant power supply connection solution.


Approvals & Certifications

  • ATEX 2014/34/EU DEKRA 13-ATEX-0136X
  • EAC TR CU 020/2011
  • EMC 2014/30/EU
  • FM 0003049918*C
  • IECEx DEK 13.0044X
  • UL 508


  • < 95% Relative Humidity, Non-Condensing

Maximum Current

  • Zone 2 / Div. 2 Area / Safe Area

Maximum Voltage

  • 32 V (Zone 2 / DIV. 2 Area)
  • 42 V (Safe Area)

Supply Voltage

  • 20-31.2 Vdc (24 DC Nom)

Temperature Range

  • -20° to 60° C (-4° to 140° F)

  • The 7908 backplane is a compact and robust solution that enables a safe and easy connection of PR system 9000 IS device signals into standard automation systems.
  • Standard automation system cables and connectors are used to link the backplane to the I/O cards.
  • The backplane can be used for Direct, Redundant, Duplicate signalling including HART I/O System connectivity (HART MUX).
  • The system 9000 devices isolate and convert AI, AO, DI and DO signals coming from, or going to the I.S. classified area, and routes those signals to a system automation I/O card.
  • The system 9000 units maintain a SIL2/SIL3 level of functional safety, even when mounted in the backplane solution.


Show More