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Select I/O – AIS890

Select I/O is an Ethernet networked, single-channel granular I/O system for the ABB Ability™ System 800xA automation platform. Select I/O helps decouple project tasks, minimizes the impact of late changes, and supports standardization of I/O cabinetry ensuring automation projects are delivered on time and under budget. A Signal Conditioning Module (SCM) performs the necessary signal conditioning and powering of the connected field device for one I/O channel.

The AIS890 is an Analog Input Signal Conditioning Module (16-bit) for use in High Integrity (certified for SIL3) and intrinsically safe applications (Zone 0) supporting 2-wire devices and HART communications.

Features and Benefits

  • Analog input for 2-wire field devices
  • Signal range: 4…20 mA
  • Can be used in hazardous areas providing IS signals up to Zone 0
  • Certified for Functional safety
  • Transmitter power current limited to 25 mA
  • 16 bit A/D converter resolution
  • Channel to channel galvanic isolation
  • Hardware filter, rise time 1ms
  • Software filter configurable through parameters
  • Protected against wrong wiring
  • Diagnostics:
    • Loop supervision (open circuit and short circuit)
    • Internal hardware supervision
    • Communication supervision
    • Device malfunction low, under range, over range and device malfunction high detection
    • Internal power supervision
  • Support of HART field devices (up to HART application layer rev. 7):
    • HART Pass-Through
    • Cyclic read of up to two HART Device Variables
    • HART Device Validation
  • Single loop granularity – each SCM handles a single channel
  • Supports hot swap
  • Mechanical locking slider which turns off field device power and/or output before removal
  • Field disconnect function which can galvanically separate the field loop wiring from the SCM during commissioning and maintenance
  • All SCMs have electronic current limitation
  • Mechanical keying to prevent insertion of wrong module type after commissioning
  • 24V DC powered through Modulebus
  • Configurable through parameters
  • LED indicators on the SCM indicate the operational state of the module
  • Certified for SIL3
Article number 3BSE074063R1
Type Analog Input Module – IS, SIL3
Number of channels 1
Signal specification 4…20 mA
HART Yes
Detailed HART information HART v7, HART pass-through and HART variables to the application
SOE N/A
Redundancy No
Hot swap Yes
High integrity Yes
Intrinsic safety Yes
Mechanics Select I/O

Please Contact Us!

satis@gest.com.tr

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