Baelz Automatic 6490B User Manual

Page 1
Device manual 6490B / 6490B-y / 6590B
W. Bälz & Sohn GmbH & Co. Koepffstraße 5 D-74076 Heilbronn Telefon (07131) 1500-0 Telefax (07131) 1500-21
Microprocessor-based controller µCelsitron baelz 6490B,
baelz 6490B-y and baelz 6590B
Universal three-position step controller
Industrial controller with special PID step controller algorithm
 Compact design 96mm x 96mm x 135mm  Compact design 48mm x 96mm x 140mm
 Easy operation
 User-defined operating level
 Digital displays for process variable and
setpoint
 Indication of the manipulated variable
(at 6490B-y with additional bargraph display)
 Control structure PI and PID
 Two-position control
 Three-position control
 Setpoint ramp
 Robust self-optimisation
 Measurement input Pt100
 Serial interface
 Alarm functions
 Control via digital inputs
 Manual/automatic switch over
 Degree of protection Front IP 65
 Semiconductor memory for data protection
 Plug-type terminals
 Rail-mounting (option)
Technical data subject to change without notice 052'+3/2nc E3By CW,Ro,Bö

Baelz Automatic 6490B Specifications

General

Brand	Baelz Automatic
Model	6490B
Category	Controller
Language	English

Summary

4. Mounting

5. Electrical connection

Details the wiring connections for the baelz controller models.

6. Commissioning

7. Technical data

1. Function overview

2. Operating and setting

Setting setpoint in automatic mode

Procedure for setting the target value in automatic control mode.

Actuator control in manual mode

Instructions for opening, closing, and stopping the actuator manually.

Switching to configuration level

Steps to access the controller's configuration settings.

Switching to second operating level

Procedure to access the user-defined or second operating level.

Setting configuration points

Guide on how to modify individual configuration parameters.

3. Configuration level

Automatic optimisation of control parameters

Explains how to automatically tune PID parameters for optimal control.

Optimisation troubleshooting

Common issues and their solutions related to the optimisation process.

Setpoint not reached during optimisation

Reasons and solutions when the target setpoint isn't met post-optimisation.

Optimisation time limits and cancellation

Information on optimisation duration and automatic cancellation.

Premature optimisation cancellation

Methods to stop an ongoing optimisation process.

Unsatisfactory optimisation results

Causes and remedies for poor optimisation outcomes.

3.6 Actuating time (t.P)

Setting the valve actuation time for accurate control.

3.7 Basic alarm type description

Describes the three basic types of alarms: A, B, and C.

3.7.1 Alarm type selection for alarm relay

Configures the alarm relay type (A, B, C) and hysteresis.

3.9 Scaling the process variable display (PV)

Defines the zero and full scale points for the PV display.

3.10 Setpoint limiting

3.12 Setpoint ramp (SP.r)

3.14 Delta setpoint (dSP)

3.18 Sensor failure behaviour (PV)

Defines actuator reaction upon sensor failure.

3.21 Assigning Second Setpoint (SP.2) to Digital Input

3.22 Assigning OPEN command to Digital Input

3.23 Assigning CLOSE command to Digital Input

3.24 Assigning STOP command to Digital Input

3.28 Synchronizing manipulated variable Y-display

3.33 Second operating level settings

3.34 Access to configuration level

Controls access to configuration settings via password.