Honeywell BCU 465 User Manual

6 Edition 11.19
Technical Information · GB
• For burners in intermittent operation or in continuous operation
• Flame control by UV, ionization or a further option of using the
furnace chamber temperature
• Simple system integration using the PC programming and
diagnostic software BCSoft
• With optional valve proving system
• With optional operating modes to reduce thermal NOx
• Fieldbus connection (PROFIBUS, PROFINET, EtherNet/IP) using
optional bus module
Burner control units BCU 460, BCU 465

Honeywell BCU 465 Specifications

General

Brand	Honeywell
Model	BCU 465
Category	Control Unit
Language	English

Summary

Application Overview

Product Certification and Compliance

SIL and PL Certification

Details certifications for Safety Integrity Level (SIL) and Performance Level (PL).

BCU Functions and Components

Connection Diagrams

Low NOx Mode (Flameless Operation)

Valve Proving System

Tightness Control

Proof of Closure Function

BCSoft Engineering Tool

Fieldbus Communication

BCU and Bus Module BCM Integration

PROFINET and EtherNet/IP Protocols

Fault Signalling and Codes

BCU Parameters and Configuration

Application Parameters

Covers parameters related to burner settings, operation modes, and safety times.

Flame Control Parameters

Details settings for flame detection sensitivity and behaviour.

Safety Limit Parameters

Adjusts safety limits like low air pressure protection and safety time during operation.

Interface Parameters

Project Planning and Installation

Electrical Connection Requirements

BCM 400 Bus Module

Electrical Connection for BCM 400

Technical Specifications

Electrical Data

Outlines electrical characteristics, voltages, currents, and contact ratings.

Safety Characteristic Values for SIL and PL

Safety Information in Accordance with EN 61508-2

General Safety Information

Outlines scope of application, fault behavior, and type of action per EN 61508-2.

Communication Safety Interfaces

Details safety communication technologies like Safety over EtherCAT for K-SafetyLink.

Glossary of Terms

Safety Time on Start-up (tSA1)

Specifies the time for flame detection during burner start-up.

Safety Time during Operation (tSB)