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PM857K02 3BSE088386R1

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ABB PM857K02 3BSE088386R1 is the redundant PM857 High Integrity package with two safety processor units and TK850/TK851 link cables.
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Technical specifications for PM857K02 3BSE088386R1

  • Manufacturer:
    ABB
  • Part Number:
    PM857K02 3BSE088386R1
  • Product Family:
    ABB Advant AC800M
  • Product Type:
    Redundant High Integrity Processor Unit Kit
  • Stock:
    1
  • Article Number:
    3BSE088386R1
  • Package Configuration:
    Redundant K02 kit
  • Controller Version:
    PM857
  • Redundancy:
    Yes
  • High Integrity:
    Yes
  • Clock Frequency:
    96 MHz
  • Memory per CPU:
    32 MB
  • Application RAM per CPU:
    22.184 MB
  • Maximum I/O Signals:
    128
  • Flash Storage:
    No
  • Processor Type:
    MPC866
  • Switch-Over Time:
    Maximum 10 ms
  • Power Supply:
    24 V DC (19.2-30 V DC)
  • Current per CPU:
    210 mA typical; 360 mA maximum
  • Typical Dissipation per CPU:
    5.1 W
  • Ethernet per CPU:
    2 channels
  • Serial Channels per CPU:
    2 RS-232C
  • Minimum HI Cycle:
    10 ms
  • Software Baseline:
    800xA 6.1 and Control Builder Safe 3 or later
  • Official Kit Scope:
    2 PM857K01, TK850, TK851; no license
  • Weight:
    2.7 kg
  • Estimated shipping dimensions:
    CPU dimensions (each): 11.9 x 18.6 x 13.5 cm.
  • Tariff Code:
    Please confirm the destination before shipping
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Safety Pair 128-Signal Plan Safe Failover

Features:

  • Redundant safety package: Two PM857K01 units and the official link cables define the K02 scope.
  • Capacity boundary: The redundant arrangement retains the documented maximum of 128 I/O signals.
  • Certified release control: Both processors must use the supported 800xA, Safe 3, firmware, and safety project baseline.

PM857K02 provides a redundant PM857 safety-controller pair for a High Integrity project within the official 128-signal boundary.

The K02 package links two complete K01 processor units; successful redundancy also depends on compatible firmware, certified software, power design, and controlled application data.

Acceptance should verify synchronization, safety I/O behavior, diagnostics, controlled switchover, recovery, proof testing, and configuration records.

Availability is subject to Apter Power's current inventory and sourcing confirmation.

ABB PM857K02 3BSE088386R1 Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

ABB PM857K02 3BSE088386R1 Redundant High Integrity Processor Unit Kit Specs

General

  • ManufacturerABB
  • ModelPM857K02 3BSE088386R1
  • ConditionNew and factory sealed
  • Product FamilyAC 800M Controllers

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

PM857 redundant pair review

  • K01 units: Confirm both processor packages and matching approved firmware.
  • CEX link: Verify TK850 installation and connector condition.
  • RCU link: Verify TK851 routing and redundancy status.
  • Project identity: Load the same controlled safety application on the pair.

Capacity and growth controls

  • Signal count: Verify the full configured safety signal total.
  • Growth allowance: Reserve only approved capacity inside the 128-signal boundary.
  • Cycle analysis: Review task periods and safety execution margin.
  • Change review: Recalculate limits after logic or I/O changes.

Redundant safety acceptance

  • Synchronization: Confirm healthy active and backup status.
  • Switch-over: Test controlled transfer using the approved method.
  • Safety response: Validate logic, I/O, diagnostics, and alarms through the test.
  • Evidence: Archive failover and proof-test results.
Description
ABB PM857K02 3BSE088386R1 is the redundant PM857 High Integrity package. ABB lists two PM857K01 safety processor units, one TK850 CEX-bus expansion cable, and one TK851 RCU-Link cable; no license is included.

PM857K02 3BSE088386R1 provides 96 MHz processing and 32 MB RAM per controller, supports High Integrity redundancy, and retains the official maximum of 128 I/O signals.

Before ordering PM857K02 3BSE088386R1, confirm 800xA 6.1 and Control Builder Safe 3 or later, both CPU revisions, the 128-signal limit, link cables, safety application, and failover validation plan.
Alternative Names
PM857K02 3BSE088386R1 PM857K02-3BSE088386R1 PM857K02 3BSE 088386 R1 PM857K023BSE088386R1 ABB PM857K02 3BSE088386R1 Asea Brown Boveri PM857K02 ABB AC 800M PM857K02 PM857K02 Redundant High Integrity Processor Unit Kit
Technical notes
PM857K02 3BSE088386R1 is the redundant PM857 High Integrity package with a 128 I/O-signal limit. Confirm both K01 units, TK850/TK851, and Safe 3 support.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What must be counted before selecting PM857K02 3BSE088386R1?
Count all configured safety I/O signals and approved future demand, then verify the complete project stays within the 128-signal limit.
Which compatibility checks apply to PM857K02 3BSE088386R1?
Confirm 800xA 6.1 or later, Control Builder Safe 3 or later, matching firmware, certified libraries, and the approved safety application.
What should a PM857K02 3BSE088386R1 delivery contain?
Verify two PM857K01 processor packages, TK850, TK851, complete labels, required condition, quantity, and traceability documents.
Why might the PM857K02 3BSE088386R1 pair fail to enter redundant state?
Check firmware, project signatures, link cables, power, controller roles, network identity, hardware configuration, and diagnostics.
How should PM857K02 3BSE088386R1 failover be validated?
Use the approved safety procedure to test synchronization, controller transfer, I/O response, diagnostics, alarms, recovery, and proof-test evidence.
What information should an RFQ for PM857K02 3BSE088386R1 include?
Provide both nameplates, software release, safety scope, signal count, kit inventory, quantity, condition, destination, and required date.
Can PM857K02 3BSE088386R1 replace another redundant CPU pair without engineering review?
No. Confirm the safety architecture, software baseline, capacity, link hardware, application, cabinet design, and validation requirements.
What should be investigated after an intermittent PM857K02 3BSE088386R1 switchover?
Review power quality, RCU and CEX connections, firmware, controller logs, network events, temperature, vibration, and recent configuration changes.