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ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB
ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB
ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB
ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB
ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB
ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB
ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB
ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB
Specifications
MOQ :
1
Place of Origin :
SWEDEN
Payment Terms :
T/T
Brand Name :
ABB
Model Number :
PM856AK01 3BSE066490R1
Delivery Time :
2-3 work days
Description
ABB · AC 800M Controllers

ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB

PM856AK01 is an AC 800M processor unit based on the PM856A CPU, with 24 MHz clock frequency, 16 MB memory and 0.46 ms performance for 1,000 Boolean operations.

ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB
01 / Overview

AC 800M Processor Unit

PM856A CPU with TP830 baseplate and termination hardware.

PM856AK01 is the 3BSE066490R1 processor-unit package for the ABB AC 800M controller family. The package includes the PM856A CPU, TP830 baseplate, TB850 CEX-bus terminator, TB807 ModuleBus terminator and memory-backup battery.

The PM856A baseplate provides two RJ45 Ethernet ports, CN1 and CN2, for the Control Network, plus COM3 and COM4 serial ports. COM3 is RS-232C with modem-control signals; COM4 is an isolated configuration-tool port.

24 MHz clock
16 MB memory
0.46 ms / 1,000 Boolean operations
◆ Control Network CN1 / CN2 · RJ45 Ethernet
›
⚙ PM856A CPU MPC860 · 24 MHz · 16 MB
›
▣ I/O Architecture ModuleBus / CEX-bus
02 / Technical Specifications

Key specifications

Detailed data is collapsed by default for easier browsing.

Core data: ABB PM856AK01 Hardware Selector / Data Sheet.

View full technical specifications
Article number
3BSE066490R1
Processor type
MPC860
Redundancy
No
High Integrity
No
Clock frequency
24 MHz
Performance
0.46 ms / 1,000 Boolean operations
Memory
16 MB
RAM available for application
10.337 MB
Flash memory for storage
Yes
Flash PROM for firmware
2 MB
Applications / controller
32
Programs / application
64
Diagrams / application
128
Tasks / controller
32
Different cycle times
32
Application program cycle time
Down to 1 ms
Power supply
24 V DC (19.2–30 V DC)
Power consumption
180 mA typical / 300 mA maximum
Power dissipation
4.32 W typical / 7.2 W maximum
Backup battery
Lithium, 3.6 V
Ethernet channels
2
Ethernet interface
IEEE 802.3, 10 Mbit/s, RJ-45 female
Control Network protocol
MMS and IAC
Recommended backbone
100 Mbit/s switched Ethernet
RS-232C interfaces
2
COM3
RS-232C, 75–19,200 baud, non-isolated, RTS-CTS
COM4
RS-232C, 9,600 baud, opto-isolated, no RTS-CTS
ModuleBus I/O clusters
1 electrical, 7 optical
ModuleBus I/O capacity
Max. 96 I/O modules
CEX-bus modules
12 single CEX-bus modules
Clock synchronization
1 ms between AC 800M controllers by CNCP
Event queue / OPC client
Up to 3,000 events
Operating temperature
0 to +55 °C
Storage temperature
−40 to +70 °C
Relative humidity
5–95 %, non-condensing
Protection class
IP20
Corrosion protection
G3 compliant to ISA 71.04
Altitude
2000 m
Dimensions
119 × 186 × 135 mm
Weight incl. base
1100 g
CE Mark
Yes
Hazardous location
cULus Class 1, Zone 2 / AEx nA IIC T4 / ExnA IIC T4Gc X
Source: ABB PM856AK01 Data Sheet / ABB Ability System 800xA Hardware Selector.
03 / Compatibility & Replacement

Compatibility in three levels

✓
Original compatibility

PM856AK01 is an AC 800M processor-unit package using the PM856A CPU.

↗
Historical replacement

PM856A is associated with the earlier PM856 processor generation. Check the installed configuration before migration.

!
Customer-used alternatives

PM860AK01, PM862K01, PM864AK01, PM866AK01 and PM891K01 are AC 800M processor units, but are not automatic replacements for PM856AK01.

04 / Application & Fault Scenarios

Common search and maintenance scenarios

CPU
Controller CPU failure A failed processor can stop the control function handled by the AC 800M node.
↔
Control Network fault CN1 and CN2 provide the controller's Ethernet connection to the Control Network.
↯
Configuration connection COM4 is the isolated serial interface used for a configuration tool.
▣
ModuleBus / CEX-bus issue Check the CPU, baseplate and associated termination hardware when bus-side faults appear.
05 / Installation & Configuration

Hardware details

▣ TP830 Baseplate Included in the PM856AK01 package.
⌁ ModuleBus TB807 ModuleBus terminator included.
⌁ CEX-bus TB850 CEX-bus terminator included.
↔ Tool Connection COM4 provides an isolated configuration-tool interface.
▱ DIN Rail Slide-and-lock mechanism for baseplate attachment.
● Battery 3.6 V lithium memory-backup battery included.
⚙ Configuration Configurable with 800xA Control Builder.
! No license is included with the processor-unit package.
06 / Delivery & Warranty

AMIKON Industrial Automation

Inspection, packaging and warranty terms are confirmed with the quotation.

✓ Testing Inspection before shipment according to the agreed scope.
▣ Packaging Protective industrial packaging for dispatch.
↺ DOA Report delivery issues promptly for review.
✓ Warranty Coverage follows the quotation and order terms.
AMIKON Industrial Automation Contact: Miya Zheng sales@amikon.cn WhatsApp +86 180 2077 6792
07 / FAQ & RFQ

PM856AK01 purchasing FAQ

What is the complete part number for PM856AK01?
The complete ABB article number is 3BSE066490R1, identified as PM856AK01.
What is included with PM856AK01?
PM856A CPU, TP830 baseplate, TB850 CEX-bus terminator, TB807 ModuleBus terminator and a 3.6 V lithium memory-backup battery.
Is PM856AK01 redundant?
No. PM856AK01 is specified as a non-redundant processor unit.
Can another AC 800M CPU replace PM856AK01?
Not automatically. Different AC 800M processor units have different memory, performance and redundancy characteristics. Confirm the installed system and project configuration before substitution.
What information is needed for a quotation?
Please provide the exact Part Number, Quantity, Destination, Required Date, Machine and System Model. A label photo is also useful for verification.
Request for Quotation

Need ABB PM856AK01 3BSE066490R1?

Send the exact part number and project details for quotation.

Part Number
Quantity
Destination
Required Date
Machine
System
CONTACT SALES sales@amikon.cn
ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB
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Recommended inventory only — these models are not presented as replacements for PM856AK01.
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Technical specifications are limited to information verified for PM856AK01. Availability, testing, warranty and delivery terms are confirmed at quotation stage.
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ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB

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Product Detail
MOQ :
1
Place of Origin :
SWEDEN
Payment Terms :
T/T
Brand Name :
ABB
Model Number :
PM856AK01 3BSE066490R1
Delivery Time :
2-3 work days
Contact Supplier
ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB
ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB
ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB
ABB PM856AK01 3BSE066490R1 — AC 800M Processor Unit, 24 MHz / 16 MB

AMIKON LIMITED

Verified Supplier
2 Years
fujian, xiamen
Since 2004
Business Type :
Trading Company
Main Products :
Bently Nevada, ABB PLC, GE Mark VIe Controller
Total Annual :
85682000-125000000
Employee Number :
70~80
Certification Level :
Verified Supplier
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