Product Description

Overview

The ABB PM783F is the smallest CPU in the Freelance controller family, yet it delivers strong performance for small and mid-scale automation projects. It provides a practical balance of PLC simplicity and DCS functionality, allowing engineers to manage continuous and batch processes with confidence. Moreover, its flexible I/O capacity and multi-protocol communication make it suitable for systems that require stable and scalable control.

Technical Specifications

Attribute — Specification
Model Number — PM783F
Part Number — 3BDH000364R0005
Type — CPU Controller Module
System Compatibility — ABB Freelance DCS
Processor — 32-bit processor
Task Handling — 8 cyclic/priority tasks + 1 PLC-type task
I/O Capacity — Up to 300 I/O points
Direct I/O Modules — Supports up to 8 modules
Communication — Ethernet, Profibus, RS232, RS485, Modbus TCP/RTU/ASCII
I/O Scan Time — As fast as 2 ms
Diagnostics — Front panel display for status and error messages
Dimensions — 67.5 × 76 × 54 mm
Weight — 0.4 kg
Operating Temperature — –20 °C to +55 °C
Storage Temperature — –40 °C to +70 °C

FAQ

Q1: How many I/O points can the PM783F system support?
It supports up to 300 I/O points, making it ideal for compact and mid-range projects.

Q2: Does the PM783F support standard industrial communication protocols?
Yes, it supports Ethernet, Profibus, RS232, RS485, Modbus TCP, and Modbus RTU/ASCII.

Q3: Can direct I/O modules be attached to the CPU?
Yes, up to eight direct I/O modules can be installed on the processor.

Q4: Is the front display useful during operation?
Yes, it provides real-time diagnostics, operating status, and error messages to help with maintenance.

Q5: What type of projects typically use the PM783F?
It is well suited for process automation, utility systems, manufacturing, and small DCS applications.