RKS RZ400 - User Manual

.
IMR02Y03-E1
Temperature Controller
R
Z100/
R
Z
4
00
RS100/RS400
Instruction Manual
RKC INSTRUMENT INC.
®

Summary

NOTICE

Safety Precautions

Pictorial Symbols (safety symbols)

Explains pictorial safety symbols used in the manual, such as warning and caution.

For Proper Disposal

Procedure for disposing of industrial wastes according to local regulations.

Symbols

Pictorial Symbols (safety symbols)

Defines pictorial safety symbols like warning, caution, and important information.

Character Symbols

Lists character symbols used for displaying numbers and characters on the instrument.

Other Symbols

Defines symbols for parameters operatable in specific modes.

1. OUTLINE

1.1 Features

Details the high-performance digital controller's key features.

1.2 Checking the Product

Instructions for verifying product receipt and completeness of delivered items.

1.3 Model Code

Explains how to specify and interpret the product's model code.

1.4 Parts Description

Describes display units and key functions of the instrument's front panel.

1.5 Input;Output and Function Blocks

Details the instrument's input/output signal flow and function blocks.

1.6 Handling Procedure to Operation

Guides on post-installation settings required for instrument operation.

2. MOUNTING

2.1 Mounting Cautions

Provides warnings and advice for safe and proper instrument mounting.

2.2 Dimensions

Presents dimensional drawings and specifications for panel mounting.

2.3 Procedures of Mounting and Removing

Step-by-step guide for mounting and removing the instrument.

3. WIRING

3.1 Wiring Cautions

Important warnings and guidelines for correct and safe wiring.

3.2 Terminal Layout

Shows terminal layouts and connections for RZ/RS series controllers.

3.3 Wiring of Each Terminal

Details wiring procedures for power supply, measured input, and outputs.

3.4 Handling of the Terminal Cover (Optional)

Instructions for mounting and removing the optional terminal cover.

4. BASIC OPERATION AND PARAMETER LIST

4.1 Mode Types and Switching

Explains the instrument's five operational modes and how to switch between them.

4.2 Parameter Types and Switching

Details parameter types and how to navigate through them.

4.3 Changing Set Value

Guides on how to modify parameter set values using the instrument's keys.

4.4 Protecting Setting Data

Explains the set data lock function to prevent unauthorized parameter changes.

5. OPERATION

5.1 Operating Precautions

Essential checks and warnings before operating the instrument.

5.2 Setup Procedures

Outlines controller setup steps with practical examples.

5.3 Initial Setup before Operation

Details critical initial settings required for proper application setup.

5.4 Setting the Control Set Value [Set value (SV)]

Step-by-step guide for setting the control target value (SV).

5.5 Setting the Alarm Set Value

Instructions for setting the alarm set values for alarms.

5.6 Tuning the PID Parameters (Execution of AT)

Explains the Autotuning process for optimizing PID parameters.

6. INPUT FUNCTION

6.1 Changing Input

How to configure input type, range, and temperature units.

6.2 Correcting Input

Using PV bias for input correction and sensor compensation.

6.3 Removing Input Noise

Utilizing the PV digital filter to reduce input noise influence.

6.4 Changing Error Handling at Input Error

Configuring PV flashing, output, and alarm actions for input errors.

7. OUTPUT FUNCTION

7.1 Changing Output Assignment

Assigning control, alarm, or HBA functions to output terminals.

7.2 Limiting Output

Using output limiters to restrict manipulated output values.

7.3 Changing Proportional Cycle Time

Adjusting proportional cycle time and minimum ON/OFF times.

7.4 Changing Alarm Output (Energize;De-energize)

Selecting energize or de-energize behavior for alarm outputs.

7.5 Monitoring Manipulated Output Value

How to monitor heat-side and cool-side manipulated output values.

8. SETTING AND KEY OPERATION

8.1 Limiting the Setting Range of Set Value (SV)

Using setting limiters to restrict the SV input range.

8.2 Continuing the Control when Entering the Initial Setting Mode

Configuring control to continue during initial setup.

8.3 Restricting Key Operation

Using the set data lock function to limit parameter access.

9. DISPLAY FUNCTION

9.1 Releasing the Display Restriction of the Parameters

Switching between standard and expanded display modes.

9.2 Changing the Display Position of STOP during the Control Stop

Selecting the STOP display position on the PV or SV screen.

9.3 Hiding the Display of the Set Value (SV)

Turning the Set Value (SV) display ON or OFF.

10. ALARM FUNCTION

10.1 Using Alarm Function

Step-by-step guide for setting up various alarm parameters.

10.2 Using Control Loop Break Alarm (LBA)

Details on configuring the Control Loop Break Alarm function.

10.3 Using Heater Break Alarm (HBA) (Optional)

Instructions for setting up the optional Heater Break Alarm function.

10.4 Keeping the Alarm State in STOP Mode

Configuring alarm action behavior during control stop.

10.5 Checking Alarm ON State

Methods to check alarm status via ALM lamp or Comprehensive alarm state.

11. CONTROL FUNCTION

11.1 Running;Stopping control (RUN;STOP transfer)

Switching control between RUN and STOP modes.

11.2 Changing Control Action

Explains PID, ON/OFF, and Heat/Cool control actions.

11.3 Setting PID Values Automatically (Autotuning)

Guides on using the Autotuning feature for PID optimization.

11.4 Setting PID Values Automatically (Startup tuning)

Explains the Startup Tuning function for PID value calculation.

11.5 Setting PID Values Manually

Details on manually adjusting PID parameters like P, I, and D.

11.6 Controlling with ON;OFF Action

How to configure and use ON/OFF control action.

11.7 Controlling with Heat;Cool Action

Setting up and using Heat/Cool PID control methods.

11.8 Increasing Control Response;Suppressing Overshoot (Fine tuning)

Adjusting control response and overshoot using fine-tuning.

12. COMMUNICATION FUNCTION (OPTIONAL)

12.1 Outline

Overview of communication function for monitoring and setting data.

12.2 Connections

Wiring instructions for host computer connection via RS-485/RS-232C/USB.

12.3 Setting

Configuration of communication parameters like protocol, address, and speed.

12.4 RKC Communication Protocol

Details on RKC communication protocol, polling, and selecting procedures.

12.5 Modbus Protocol

Explanation of Modbus protocol, message format, and function codes.

13. TROUBLESHOOTING

13.1 Error Displays

Describes error displays for input and self-diagnostic errors.

13.2 Solutions for Problems

Provides possible causes and solutions for common instrument errors.

13.3 Verifying Instrument Information

How to check ROM version, model code, and serial number.

14. SPECIFICATIONS

A. APPENDIX

A.1 Parameters to be Initialized;Changed at the time of changing set values

Lists parameters initialized or converted when other settings change.

A.2 Replacing the Waterproof;Dustproof Gasket (Option of RZ100;400)

Step-by-step guide for replacing waterproof/dustproof gaskets.

A.3 Current Transformer (CT) Dimensions (Optional)

Provides dimensional drawings for optional CT transformers.

RKS RZ400 Specifications

General

Control Algorithm	PID, On/Off
Communication	RS485 (Modbus RTU)
Control Mode	PID
Input Type	Thermocouple, RTD
Output Type	Relay, SSR
Alarm Output	Relay
Power Supply	100-240V AC
Display	LED