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Chino DB650 - User Manual

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INST.No.INE-868B
Digital Indicating
Controller
DB600
General PID control
Instruction Manual
Thank you for purchasing Digital Indicating Controller [DB 600 series]. Understand the instrument properly
and read this instruction manual beforehand in order to avoid any troubles.
- For the persons doing instrumentation, installation and sales -
Be sure to handover this instruction manual to the persons using the
instrument.
- For the users of the instrument -
Preserve this instruction manual until you scrap the instrument and
write down the setting details.

Table of Contents

Questions and Answers

  • C
    Connie LopezAug 16, 2025
    Why is the Chino DB650 Controller control unstable?
    • T
      turnermorganAug 16, 2025
      If the control of your Chino Controller is unstable, check the following: 1. Ensure that the wiring is done properly. 2. Confirm that the terminal screws are tightened firmly. 3. Check for any noise influence. 4. Verify that the parameters (PID, output limiter, etc.) are set correctly.
  • L
    lorimeyerAug 21, 2025
    What to do if Chino Controller behaves strangely and the cause is unknown?
    • D
      David YoungAug 21, 2025
      If your Chino Controller is behaving strangely and the cause is unknown: * First, check that the parameters are set correctly. * If the problem persists, initialize the settings, redo all the settings, and then check if the issue is resolved.
  • W
    williamsmatthewAug 28, 2025
    What to do if PV display shows " " on Chino DB650?
    • B
      Brandon HolmesAug 28, 2025
      If the PV display on your Chino Controller shows " ", this indicates an over range or upper limit burnout for the measuring range. To resolve this, check the sensor signal.
  • K
    kathleen12Sep 3, 2025
    What does it mean when PV display shows " " on Chino DB650?
    • P
      Phillip CraigSep 3, 2025
      If the PV display on your Chino Controller shows " ", it means there is an under range issue for the measuring range. You should check the sensor signal.
  • T
    Timothy AustinNov 8, 2025
    How to troubleshoot errors in measured value (PV) on Chino DB650 Controller?
    • M
      mossmarkNov 9, 2025
      If you are experiencing errors or instability in the measured value (PV) on your Chino Controller, consider the following checks: * Ensure the wiring to the sensor is properly connected. * For thermocouples, verify the wiring to the terminal screw uses thermocouple or compensation lead wire. * Confirm that terminal screws are firmly tightened. * Make sure the sensor signal isn't connected in parallel with another instrument. * Check that any protection element connected to the sensor signal maintains a low resistance. * Verify there are no issues with the output signal or specifications of the sensor itself. * Look for any noise influence. * Confirm the operating environment is appropriate. * Check that parameters are set correctly. * If using a calibrator with a therm...

Summary

1 Before Use

1-1 Safe Use of the Product

Describes correct usage to prevent safety hazards to people and property.

2 Mounting and Wiring

2-3 Wiring

Covers precautions and basic procedures for connecting the instrument's wiring.

2-5 Initial Settings

Guides through the essential parameter configurations after installation.

4 Operation

4-1 Cautions on Power ON

Highlights critical considerations and potential issues when powering on the instrument.

4-2 Constant Value Operation

Explains how to monitor and operate the instrument in constant value control mode.

4-3 Program Operation

Details how to monitor and operate the instrument in program control mode.

5 Setting Operations

5-1 Basics of Setting

Covers fundamental procedures for navigating and performing parameter settings.

5-2 MODE0: Executing Parameter

Allows setting/changing of executing parameters during operation.

5-3 MODE1: Constant Value Operation Parameter

Provides settings related to constant value operation using a fixed SV.

5-4 MODE2: Program Parameter

Configures pattern settings for program operation, changing target value over time.

5-5 MODE3: Group Parameter

Sets main control parameters grouped together, allowing execution No. registration.

5-7 MODE5: Input Parameter

Sets up measurement-related parameters like input type, range, and scale.

5-8 MODE6: Control Parameter

Adjusts output-related settings, adding conditions or limits to the output.

6 Detailed Description for Main Function

6-5 Auto Tuning

Explains the automatic calculation of PID constants for optimal control.

6-6 PID Control

Describes the Proportional-Integral-Derivative control algorithm and its components.

6-7 Actuator Adjustment for ON-OFF Servo Output Type

Guides on adjusting the actuator for ON-OFF servo output, including auto and manual methods.

8 Maintenance and Inspection

8-1 Error Display

Lists error codes and their meanings for system faults.

8-3 Troubleshooting

Provides guidance on diagnosing and resolving common instrument issues.

Chino DB650 Specifications

General IconGeneral
Protection ClassIP66 (front panel)
InputThermocouple, RTD, DC Voltage, DC Current
Control OutputRelay, Voltage pulse, DC current
Alarm OutputRelay contact
Power Supply100 to 240 VAC, 50/60 Hz or 24 VDC
MountingPanel mounting

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