ABB PM783F 3BDH000364R0001 | Freelance AC 800F CPU Module | In Stock
ABB PM783F 3BDH000364R0001 | Freelance AC 800F CPU Module | In Stock - Image 2
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ABB PM783F 3BDH000364R0001 | Freelance AC 800F CPU Module | In Stock

  • Model: PM783F
  • Order code: 3BDH000364R0001
  • Brand: ABB
  • Series: ABB AC 800F / Freelance control system family
  • Core Function: Central processing unit for ABB Freelance DCS/PLC systems, executing continuous and batch control logic, managing fieldbus I/O, and supporting Ethernet and serial communication for process automation.
  • Product Type: Processor module / CPU controller
  • Key Specs: 24 VDC power supply | 100 Mbit/s Ethernet | 2× serial interfaces | 10 MB memory with battery-backed storage | supports PROFIBUS DP, Modbus, FOUNDATION Fieldbus via interface modules | supports controller redundancy | suitable for continuous process and batch applications
  • Condition: New Original / New Surplus
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Description

Product Core Brief

  • Model: PM783F
  • Order code: 3BDH000364R0001
  • Brand: ABB
  • Series: ABB AC 800F / Freelance control system family
  • Core Function: Central processing unit for ABB Freelance DCS/PLC systems, executing continuous and batch control logic, managing fieldbus I/O, and supporting Ethernet and serial communication for process automation.
  • Product Type: Processor module / CPU controller
  • Key Specs: 24 VDC power supply | 100 Mbit/s Ethernet | 2× serial interfaces | 10 MB memory with battery-backed storage | supports PROFIBUS DP, Modbus, FOUNDATION Fieldbus via interface modules | supports controller redundancy | suitable for continuous process and batch applications
  • Condition: New Original / New Surplus

Key Technical Specifications

  • Order code: 3BDH000364R0001
  • Product designation: PM783F central processing unit
  • System family: ABB AC 800F / Freelance
  • Power supply: 24 VDC nominal
  • Memory: 10 MB memory with 2 MB battery-backed storage
  • Communication interfaces: 100 Mbit/s Ethernet for engineering, operator station, and system communication; 2× serial interfaces, one typically used for Modbus communication and one for diagnostics
  • Fieldbus expansion: Supports PROFIBUS DP, FOUNDATION Fieldbus, Modbus RTU/TCP, IEC 60870-5-101/104, CAN bus and other protocols via AC 800F fieldbus modules
  • I/O architecture: No onboard I/O; connects to S700 local I/O, S800/S900 remote I/O, or fieldbus devices through communication interface modules
  • Redundancy: Supports controller redundancy configurations for higher availability
  • Mounting: Baseplate or DIN-rail mounting in AC 800F cabinet layout
  • Typical applications: Process control, power generation, oil and gas, water treatment, chemical processing, pharmaceuticals, pulp and paper, and distributed industrial automation systems
  • Note: Exact firmware version, fieldbus module configuration, and system compatibility should be confirmed from the ABB product documentation or the unit nameplate

 

Product Introduction

The ABB PM783F 3BDH000364R0001 is a central processing unit designed for the ABB AC 800F / Freelance control system. It serves as the core controller in distributed automation applications, executing continuous and batch control programs, managing fieldbus I/O communication, and coordinating data exchange with operator stations and engineering workstations.

The PM783F features a high-performance processor with 10 MB memory and 2 MB battery-backed storage, providing reliable program retention during power interruptions. It includes a built-in 100 Mbit/s Ethernet interface for system communication and two serial interfaces, one typically used for Modbus communication and one for diagnostics. Additional fieldbus connectivity such as PROFIBUS DP, FOUNDATION Fieldbus, and IEC 60870-5 protocols can be added through AC 800F fieldbus interface modules.

The module supports controller redundancy configurations, making it suitable for critical process applications where continuous operation is essential. It can connect to S700 local I/O modules directly or to S800/S900 remote I/O and fieldbus devices through communication interface modules.

This module is not a standalone PLC and must be installed as part of a compatible AC 800F / Freelance system. Before replacement, always confirm the existing system configuration, firmware version, fieldbus module arrangement, and connected I/O structure.

 

QA & Testing SOP

  1. Order code verification: Confirm PM783F and 3BDH000364R0001 on the nameplate.
  2. Visual inspection: Check the module housing, connectors, Ethernet port, serial ports, and mounting hardware for damage or corrosion.
  3. Power-up test: Install the module into the correct baseplate position, apply 24 VDC supply, and verify normal start-up without fault indicators.
  4. Communication check: Verify Ethernet connectivity, serial port communication, and fieldbus communication through installed interface modules.
  5. System test: Confirm program download/upload capability, I/O communication, redundancy status if applicable, and stable controller operation within the AC 800F / Freelance environment.

 

Installation Pitfalls & Guide

❗ Confirm system compatibility. PM783F is designed for the ABB AC 800F / Freelance architecture. It cannot be directly substituted into AC 800M, Advant OCS, or other ABB controller families.

❗ Record existing configuration. Before removal, save the controller program, firmware version, fieldbus module configuration, and baseplate slot assignment.

❗ Verify fieldbus interface modules. Ensure that required fieldbus modules (PROFIBUS DP, FF, Modbus, etc.) are correctly installed and configured.

❗ Check I/O connectivity. Since PM783F has no onboard I/O, confirm that all S700/S800/S900 I/O modules and fieldbus communication paths are properly connected.

❗ Follow proper grounding practices. Ensure correct grounding and shielding to minimize electromagnetic interference in industrial environments.

Replacement steps:

  1. Pre-install: Back up the existing controller program, note the firmware version, fieldbus configuration, and slot position.
  2. Removal: Follow safe shutdown procedures, disconnect power if required, then remove the processor module.
  3. Install: Insert the PM783F into the correct baseplate position, verify all connectors and fieldbus modules, and confirm proper seating.
  4. Commissioning: Power up the system, confirm normal startup, verify Ethernet and fieldbus communication, check I/O status, validate redundancy if applicable, and confirm process control operation before returning to production.

Technical FAQ

Is 3BDH000364R0001 the correct order code for PM783F? Yes, 3BDH000364R0001 is listed as the order code for the ABB PM783F CPU module. An alternate variant 3BDH000364R0002 is also referenced. Always confirm the full designation on the existing nameplate.

What system is PM783F used in? It is designed for the ABB AC 800F / Freelance control system and integrates with the Freelance engineering environment (Control Builder F) and DigiVis operator stations.

Is PM783F the same as PM630 or PM633? No. PM783F belongs to the AC 800F / Freelance family, while PM630 and PM633 belong to the AC 800M family. They are different controller platforms and are not directly interchangeable.

Does PM783F have onboard I/O? No. PM783F has no onboard discrete or analog I/O by design. Field I/O is handled through S700 local I/O, S800/S900 remote I/O, or fieldbus devices connected via communication interface modules.

Can PM783F be configured for redundancy? Yes. PM783F supports controller redundancy configurations for higher availability in critical process applications.

Do you offer price flexibility? Yes. Pricing depends on condition, firmware visibility, quantity, and urgency. New original stock and tested surplus units are quoted separately.

What warranty is included? Typical coverage is 12 months from delivery for functional defects, excluding incorrect installation, firmware mismatch, fieldbus configuration errors, or damage from improper handling. Final terms are confirmed on the quotation.

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