CSZ EZT-570S - User Manual

Other manuals for CSZ EZT-570S

Technical Manual101 pages

Questions and Answers

M
Michael RichardsonAug 4, 2025
How to fix CSZ Control Systems EZT when it's not responding to commands from PC?
- V
  vsalazarAug 4, 2025
  If your CSZ Control Systems EZT is not responding to commands from your PC, ensure the slave address and parity settings in the EZT match those being used. Verify that you are using the correct protocol (Modbus RTU) and proper serial port settings on your PC. Check all cables and wiring for loose or damaged connections, and confirm the correct connection polarity, using a null-modem cable for RS232 if necessary.
D
duncandavidAug 11, 2025
What to do if I get an EZ-View communication error on my CSZ EZT-570S?
- K
  Kyle WilliamsonAug 11, 2025
  If you're getting an EZ-View communication error with the message “Control Address #, Device did not respond in 1 sec” on your CSZ Control Systems, try the following: Ensure the EZT address matches the controller number in EZ-View and that the EZT parity is set to “Even”. Verify the serial port number and ensure it's assigned to EZ-View in the configurator. Check the cables and wiring for any loose or damaged connections, and confirm proper connection polarity, especially if using a null-modem cable for RS232. Reducing the length of communication wires or the number of devices may also help. As well as increasing the polling interval of EZ-View may resolve the issue.
K
Kelsey HooverAug 18, 2025
Why am I not reading data from EZT on my CSZ Control Systems?
- C
  champtonAug 18, 2025
  If you are unable to read data from the EZT on your CSZ Control Systems, try slowing down the communication rate between write and read commands. You can also set the 4899 serial timeout to a higher value. Check the cables and wiring for any loose connections and verify the correct polarity. Ensure that you use the “C #” command to set the 4899 serial address to match the EZT Modbus address.
K
keypeterAug 26, 2025
How to troubleshoot a CSZ EZT-570S GPIB interface that is not responding to read/write commands?
- R
  Ronald LewisAug 26, 2025
  If the GPIB interface on your CSZ Control Systems is not responding to read/write commands, first ensure that the 4899 power switch is turned on. Next, verify the 4899 GPIB bus address. Confirm that you are using the proper termination character on commands, which defaults to LF. Finally, use the “E?” command to read and clear the error register.

Summary

1. Overview

1.1 Safety Information

Note, caution, and warning symbols highlight important operational and safety information.

1.2 About the EZT-570 S

Overview of the EZT-570S controller's features, capabilities, and integrated systems.

1.3 Touch Screen Interface

Explanation of the EZT-570S display's two sections: the icon bar and the main display area.

1.4 Menu Navigation

User selectable text-based or icon-based navigation systems for accessing controller functions.

1.5 Notifications

Snapshot of current activity accessible via the date/time field in the icon bar.

2. Monitoring

2.1 Main (Loop) View

Configurable view showing one to five control loops and/or process monitor inputs.

2.2 Overview

Access to chamber and customer events, and a convenient way to view all control loops and monitor inputs.

2.3 Trends

Real-time trends display set point, process variable, and percentage of output over time.

2.4 Alarm Monitor

Displays current and previously silenced alarms, with notification for new alarms.

2.5 Alarm History

Displays all alarms for a given day, storing daily alarm files for up to a year.

2.6 System Status Monitor

Provides status information and alerts for operational conditions or limits reached.

3. Manual Operation

3.1 Set Point Adjustment

Procedure to adjust the set point for a desired loop using the Main or Overview screen.

3.2 Manual Operation (Turning the Chamber On;Off)

Using events as switches to manually turn the chamber and its functions on and off.

3.2.1 Standard Chamber Options

Enabling basic chamber operations like humidity, auxiliary cooling, and dry air purge.

3.2.2 Special Chamber Options

Configuring specialized operations like altitude, thermal shock, defrost, and remote set points.

3.2.3 Product Control Option

Enabling and configuring product control for optimized chamber performance.

3.2.4 Customer Events Option

Controlling optional digital outputs as event outputs for various signaling needs.

4. Automatic Ramp;Soak Program Operation

4.1 Entering a Ramp;Soak Program

Steps for creating and editing automatic ramp/soak programs on the Program Entry screen.

4.1.1 Entering Step Time

Procedure to enter the duration for each step in hours, minutes, and seconds.

4.1.2 Entering Step Set Points

Setting target set points for control loops at the end of each program step.

4.1.3 Setting Step Events

Selecting which system events are to be active during a specific program step.

4.1.4 Setting Guaranteed Soak Events

Enabling guaranteed soak to maintain set points within a tolerance band during a step.

4.1.5 Using Wait For

Pausing a program step until a specific process variable reaches a predefined set point.

4.1.6 Using Jumps

Programming the program to jump between different steps for repeating test cycles.

4.1.7 AutoStart

Configuring a ramp/soak program to start automatically on a specified date or day and time.

4.1.8 Guaranteed Soak Limits

Setting control tolerance for guaranteed soak steps to ensure processes stay within limits.

4.2 Program Plot

4.2.1 Program List

Viewing all program steps in a scrollable list format.

4.3 Starting an Automatic Ramp;Soak Program

4.3.1 Hold;Resume Ramp;Soak Program Operation

Manually placing a program into hold to pause its timer and resuming operation.

4.4 Monitoring Automated Ramp;Soak Program Operation

4.4.1 Advance Previous;Next Step

Skipping or repeating program steps by advancing to the desired step.

4.4.2 Adjusting Step Time

Increasing or decreasing the time remaining in a step during program operation.

4.5 Program Worksheet

4.6 Frequently Asked Questions About Ramp;Soak Program Operation

5. System Settings

5.1 Recovery

Directs the EZT-570S response to electrical power interruption based on settings.

5.2 Set Point Limits

Adjusting minimum and maximum operating set points to prevent product damage.

5.3 Event Names

Changing names of optional customer events to describe their function.

5.4 Alarms

Configuring user alarms for each input, including trigger conditions and actions.

5.4.1 Set Points and Alarm Message

Accessing alarm set points and editing alarm messages for notifications.

5.5 Product Control

Control strategy where one loop provides the set point for another loop for faster response.

5.6 Condensation Control

Feature for situations where condensation is undesirable, limiting temperature rise rate.

5.7 Defrost Settings

Settings for chambers equipped with defrost to periodically warm coils and remove ice.

5.8 Communication Settings

Setting up and configuring EZT-570S communication interfaces like Modbus, VNC, and Web Server.

5.9 Barcode Reader

Settings for the optional barcode reader, including on/off, prefix, and test window.

5.10 Email

Ability to send alarm messages to email and SMS addresses.

5.11 Navigation

Selecting text-based or icon-based navigation menus and choosing the Home icon display screen.

5.12 Tuning

Manual and automatic tuning of EZT-570S control loops for optimal performance.

6. Security

6.1 Adding Users

Ability to add up to 30 users with unique IDs, names, and passwords.

6.2 Viewing Users

Viewing user information, deleting users, and changing passwords.

6.3 Setting User Access

Assigning rights to each user level for specific program functions.

6.3.1 User Access Rights

Table listing available user rights, menu locations, and descriptions.

6.4 Setting Security Options

Setting global security options like password aging, verification, and audit trail.

6.5 Audit Trail

Viewing user actions that affected the system, stored in daily audit files.

7. Data Logging

7.1 Selecting Points for Logging

Choosing which variables to log to the data file from control loops and monitor points.

7.2 Start;Stop Data Logging

Logging data to the SD card at a fixed interval, with options for file naming and auto-start.

7.3 Reviewing Historical Data

Opening and viewing historical data files using the historical viewer.

7.4 USB File Transfer

Copying or erasing files from the internal SD card to a USB memory stick.

7.5 FTP Data Backup

Configuring automatic back-up of data files to a designated FTP site.

7.6 Annotation

Adding messages to the running data file and viewing messages associated with loaded files.

7.7 Digital Signatures

Adding digital signatures to data log files to ensure data integrity.

8. Offline

8.1 Service

Service counters for chamber components, providing interval alerts and life totals.

8.2 Degrees C\F Selection

Selecting temperature units for display, C or F.

8.3 Clock Settings

Adjusting system date and time, including time zone and NTP server settings.

8.4 Language

Selecting the language for online help, menus, and static display fields.

8.5 Special Settings

Custom settings for special applications and operating parameters.

8.6 Hardware

Access to optional analog and digital inputs and outputs.

8.7 Monitor Offset Calibration

Adjusting sensor tolerances and lead effects for monitor inputs using an offset.

8.8 Display Settings

Access to touch screen calibration, backlight settings, and alarm volume.

8.9 Configuration

Backing up settings to a file or configuring the EZT-570S from preconfigured setups.

8.10 About the EZT-570 S

Displaying firmware and program version numbers for the EZT-570S.

8.11 Exit Application

Quitting the EZT-570S runtime software and returning to the CE.Net operating system.

9. Communications

9.1 Serial Communications

Using Modbus RTU protocol for serial communication and adjusting settings.

9.2 GPIB (IEEE-488) Communications

Using the GPIB communication option via an IEEE-488 to Modbus Controller.

9.3 Ethernet Communications

Using Ethernet interfaces for monitoring and controlling the chamber over a network.

10. Diagnostics

10.1 Alarm Codes and Troubleshooting

Procedures for diagnosing and correcting alarm conditions.

10.2 Service Monitors

Service counters for components, detailing inspection and maintenance actions.

CSZ EZT-570S Specifications

General

Brand	CSZ
Model	EZT-570S
Category	Control Systems
Language	English