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ABB PM 783F 3BDH000364R0005 Freelance Central Processing Unit Item NO.: 2931395

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Product Name	ABB PM 783F 3BDH000364R0005 Freelance Central Processing Unit
Item NO.	2931395
Weight	0.1 kg = 0.2205 lb = 3.5274 oz
Category	ABB
Brand	ABB
Creation Time	2026-11-10

ABB Freelance · AC 700F Controller

ABB PM 783F 3BDH000364R0005 Freelance Central Processing Unit

Two-megabyte Freelance CPU for AC 700F installations, supplied without operating system, terminal base or battery.

Product Details

ABB PM 783F 3BDH000364R0005 is the central processing unit for an AC 700F controller configuration. ABB lists the module with 2 MB SRAM for the program, a Freescale PowerPC processor and an on-board 100 Mbps Ethernet connection for controller, operator-station and engineering communication.

The ordering boundary is important: the operating system is not preloaded, and the TB711F terminal base plus TA521 battery are not included. Treating those items as part of the CPU package can leave a replacement incomplete even when the PM 783F article number is correct.

Two serial interfaces complement Ethernet connectivity, while up to eight direct I/O modules may be connected to the controller arrangement. Commissioning therefore needs an inventory of the base, battery, firmware or software compatibility, serial use and the existing application backup.

ABB catalog entry and product image for PM 783F 3BDH000364R0005

Specifications Overview

BrandABB

Complete modelPM 783F 3BDH000364R0005

Controller familyFreelance AC 700F

Product typeCentral processing unit

ProcessorFreescale PowerPC

Program memory2 MB SRAM

Data memory8 MB SDRAM

Flash memory4 MB

EthernetOn-board 100 Mbps

Serial interfaces2

Direct I/O modulesUp to 8

External supply24 V DC

Maximum current80 mA

Maximum power dissipation10 W

Approximate battery time1.5 years

Operating systemNot loaded at delivery

Terminal baseTB711F, not included

BatteryTA521, not included

Complete Controller Assembly

PM 783F is only one part of a serviceable AC 700F controller station, so the surrounding items must be confirmed explicitly.

Verify the article number

Use PM 783F together with 3BDH000364R0005 on the enquiry and receiving label. The name alone does not preserve the exact ABB catalog identity.

Account for excluded items

Plan the TB711F terminal base and TA521 battery separately because ABB does not include them with the CPU. Inspect the installed base before deciding whether it can remain in service.

Plan the software load

The CPU is delivered without its operating system. Confirm the compatible Freelance release and retain the application and controller configuration before disturbing the old unit.

Controlled CPU Exchange

A staged exchange protects controller addressing, I/O order and communication assignments from accidental change.

Document every interface

Label Ethernet, both serial channels and each direct I/O position before removal. Photographs should show module order, terminal-base wiring and switch or address settings.

Inspect power and battery

Measure the 24 V DC supply under load, check polarity and examine the TA521 condition. A weak supply or overdue battery can mimic a CPU fault or affect retained data.

Restore in checkpoints

Load the approved operating system first, then the application, communications and I/O. Confirm diagnostics at each checkpoint instead of introducing every dependency at once.

Product Q&A

Why does ABB PM 783F 3BDH000364R0005 arrive without a runnable application?

Are TB711F and TA521 included with ABB PM 783F 3BDH000364R0005?

What should be labeled before replacing ABB PM 783F 3BDH000364R0005?

Why can ABB PM 783F 3BDH000364R0005 lose retained information after a shutdown?

How should communication be tested after installing ABB PM 783F 3BDH000364R0005?

What power check is useful when ABB PM 783F 3BDH000364R0005 restarts intermittently?

Enquiry Details

Moore Automation

https://www.mvme.cn/

Moore Automation prepares Freelance controller enquiries around the complete CPU article number and station boundary. The team can coordinate availability information, supporting documents, accessory notes, commercial details and shipment records.