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AC 800M High Integrity Controller

Brand: ABB Group
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The AC 800M controller is a family of rail-mounted modules, consisting of CPUs, communication modules, power supply modules and various accessories. Several CPU modules are available that vary in terms of processing power, memory size, SIL-rating, and redundancy support.
Each CPU module is equipped with two Ethernet ports for communication with other controllers and for interaction with operators, engineers, managers, and higher level applications. A Flash memory card can be inserted into a slot in the CPU module to store the application and data.

The connectivity and expansion options make the AC 800M exceptionally open and scalable, that is, easy to connect to the surrounding world of supervisory systems and intelligent devices of all kinds - and adaptable to changing requirements as the process it controls changes or expands.
Features
  • Scalable, cost-effective design
  • Common environment for process and power automation and safety
  • Fault tolerance for maximum plant availability
  • Open architecture reduces lifecycle costs
  • Integrating, for plug-and-procedure connectivity
  • Comprehensive maintenance features reduce downtime
  • Flexible I/O for all plant environments
  • Wide-ranging control functionality meeting all needs

Specifications

Brand

CPU

  • PM851A, PM856A, PM858, PM860A, PM861A (Classic)
  • PM862, PM864A (Classic), PM866A, PM891

Clock Frequency

  • 24 to 450 MHz

Memory (RAM) from 5.1 FP4

  • 8 to 256 MB

Processor Type

  • MPC860
  • MPC866
  • MPC862
  • MPC8270

Performance

  • 0.09 to 0.46 ms [1000 boolean operations (a:=b and c]

Power Supply

  • CPUs: 24 Vdc (19.2-30 Vdc) max 5 % ripple acc. to IEC 61131-2

Power Consumption

  • CPUs: 210/360 mA, 287/487 mA, 660/750 mA, 180/300 mA, 250/430 mA

Power Dissipation

  • Typical 4.32 to 15.8 W

Stability

  • Real-time clock stability: 100 ppm (approx. 1 h/year)

Battery

  • Built-in back-up battery: Lithium, 3.6 V, 0.95 Ah, size 1/2 AA, 0.3 g Lithium content

Modulebus Scan Rate

  • 0 to 100 ms (actual time depending on number of I/O modules)
  • 0 to 300 ms for PM865 and PM867

Ethernet Channels

  • 2
  • 1 for PM851A

Ethernet Interface

  • 10/100 Mbit/s for PM891
  • Ethernet (IEEE 802.3), 10 Mbit/s, RJ-45, female (8-pole),

Operating Temperature

  • 5° to 55° C (41° to 131° F)

Storage Temperature

  • -40° to 70° C (-40° to 158° F)

Temperature Changes

  • 3° C/minute according to IEC/EN 61131-2

Altitude

  • 2000 m according to IEC/EN 61131-2

Pollution Degree

  • Degree 2 according to IEC/EN 61131-2

Corrosion Protection

  • G3 compliant to ISA 71.04

Noise

  • Emitted noise: < 55 dB (A)

Humidity

  • 5 to 95% relative humidity, non-condensing

Protection Class

  • IP20 according to EN 60529, IEC 529

Certifications & Approvals

  • CE- marking: Meets EMC directive 2004/108/EC acc. to EN 61000-6-4, EN 61000-6-2 and Low Voltage Directive acc. to EN 61131-2
  • cULus Class 1, Zone 2, AEx nA IIC T4, ExnA IIC T4Gc X (Note! UL 60079-15 not valid for PM866A, PM891)
  • RoHS compliance: EN 50581:2012
  • WEEE compliance: DIRECTIVE/2012/19/EU
  • ABS, BV, DNV-GL, LR, RS, CCS
  • Electrical Safety: EN 50178, IEC 61131-2, UL 508 (Note! UL 508 not valid for PM866A, PM891)

Dimensions

  • W 119 x H 186 x D 135 mm (4.7 x 7.3 x 5.3 in)
  • W 174 x H 186 x D 94 mm (6.9 x 7.3 x 3.7 in) for PM891
  • BC810 & BC820: H 185 x W 59 x D 127.5 mm (7.3 x 2.9 x 5.0 in)

Weight

  • CPUs: 1,100 to 1,600 g (2.4 to 3.5 lb)
  • BC820K02 package: 1.4 kg (3.1 lb); BC810K02 package: 1.5 kg (3.31 lb)

Documentation

Brochure

Catalog

Certificate

Manual

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