Version History

Current Version: 3.2.4 (Raspberry pi: 2.4.8)

Updates currently must be distributed via the espec service department. As of 3.1.0 automatic OTA updates are enabled by default. If desired they can be disabled and old manual update procedure is still available. Contact espec service department for manual firmware updates.

3.2.5 (1/27/2023):

• raspberry pi not supported
• Resolves #30 datetime format is inconsistent when including data time column in logs requests.
• Resolves #32 Saving programs on F4T while another is running may mangle both.
• Resolves #36 Temperature throttle does not activate when chamber is running.
• Resolves #39 'pops' in audio output on HMDI touch display
• Add light theme
• Adds basic chamber overview screen customization, future work is needed to integrate better.
• Updated embedded User's Manual on Initial Setup, networking and software update procedure for T-series chambers as standalone or networked system.

3.2.4 (12/5/2022):

• raspberry pi not supported
• Successfully fixed Vibe feature on P300 HALT (issues with unable to enter values > than 0 (typo on model selection).
• Added several misc features.

3.2.3 (11/28/2022):

• raspberry pi not supported
• Addresses 32 and 30 for F4T data storage format (RedisLock).
• Debian 11 kernel/distro OS update and software patches on security updates.
• Updated embedded User's Manual on CSV and F4T TCP raw COMM.

3.2.2 (10/11/2022):

• raspberry pi not supported
• Fixes on OS for onboard sound support via HDMI for touchscreen direct connection to Up2Board for local display and sound.
• Added embedded script in Mender Artifact to ensure Debian 11 kernel directive for sound activation is preserved during firmware update/upgrade.
• Fix port forwards on Debian 11 (add timeout udb broadcast socat)

3.2.1 (10/3/2022):

• raspberry pi not supported
• Addresses issues 25 and 26.
• Successful fix of user privilege on removable external USB storage device when directly connected to Up2Board.
• Overhaul user privilege and security (lock down the system).

3.2.0 (7/18/2022):

• Change underlying OS from Debian 9 to Debian 11 to maintain continuous security updates.
• Fixes for chamber actions in macros.
• Add ES102 support for SU/SH Japanese benchtop chambers.
• Add P200 support for SU/SH Japanese benchtop chambers (Beta).
• Split REST API micro-services into two separate micro-services. This addresses reliability troubles if the state-full chamber interaction portion crashes. In the event of a crash the setup and authentication API services will remain functional for recovery.
• Fix P300/SCP220/ES102 error handling on timeout errors to prevent the system from overflowing with pending requests.
• Re-work the front end with a smaller over-all bundle size. (Speeds up initial page loads on slow connections)
• Add remote device support to P300/SCP220 chamber models.
• Add analog device support to remote device system.
• Make chamber interface editor upload/save more intuitive.
• Suppress setup wizard automatically for production use.
• Check chamber controller for better error detection. This is intended to determine if the configured chamber controller makes sense for what is actually on the chamber.
• Add an overall system backup and restore system.
• Disable chamber interface setup's simple tab when a configuration has been applied via the expert tab.
• Fix chamber interface defaults on first load when no chamber has been configured.
• Fix steam generator error on acromag watlow f4t configurations.
• Fix P300 fan speed and PTCON being enabled at the same time breaking the program editor.
• Fix runtime error handling on chamber api, add additional state to error messages.

3.1.2 (4/18/2022):

• raspberry pi not supported
• Successful fix for Modbus TCP to Watlow F4T pass through.

3.1.1 (4/13/2022):

• raspberry pi not supported
• Failed fix for Modbus TCP to Watlow F4T pass through.

3.1.0 (4/5/2022):

• raspberry pi not supported
• Complete re-write in python3, Highlighted updates:
• Faster response times on controllers that are fast enough.
• Over the air firmware update service (can be disabled).

2.5.12 (1/17/2022):

• raspberry pi not supported
• Security update, upgrade all Debian 9 packages to their latest version.

2.5.11 (6/23/2021):

• raspberry pi not supported
• Add an API route to connect directly to a chamber controller POST /api/[version]/chambers/1/controller/[id]/client

2.5.10 (6/15/2021):

• raspberry pi not supported
• Fix a setup issue caused by new chamber serial number format.

2.5.9 (11/10/2020):

• raspberry pi not supported
• Fixes issue where P300 network may get reset to DHCP on boot.

2.5.8 (10/26/2020):

• raspberry pi not supported
• Allow port forwarding into "internal" chamber network (eth0 to eth1 forwarding) through custom system variables. Intended to allow access to yokogawa recorder web interface on the internal chamber network.
• Allow custom precisions to be set for external source editor, was hard coded to tenths place after decimal.
• Addresses #133: "Network screen fails on 2.5+, when more than 2 or 3 chambers are present." (Not an issue but on 2.4.x but wanted to keep consistent; should not have worked on 2.4 either...)
• Addresses #134: "Missing Status modes for some chamber types used by the network screen."
• Addresses #132: "External source editor data formatter compare missing >= operation"
• Addresses #131: "F4T non sequential loops break program editor."

2.5.7 (9/29/2020):

• raspberry pi not supported
• Fix color uploads, was broken in merge from 2.4.6 to 2.5.6.

2.5.6 (9/23/2020):

• raspberry pi not supported
• Add color customization screen, allows user to select color coding for operating mode.
• Fixes for thermotronTCP network screen converter converter.
• Adds P310/P200 Temp/Humi chamber TCP network screen converter.
• Adds P310 thermal shock chamber TCP network screen converter (consider this a beta).
• Allow only 4 requests to the server at a time on the network screen so that it remains responsive.
• Add support for specifying port to network screen ip addresses. ex: 123.123.123.123:4444

2.5.5 (9/3/2020):

• raspberry pi not supported
• Fix issue with downloading programs failing from program editor screen.

2.5.4 (9/3/2020?):

• raspberry pi not supported
• Move loop image directory to read/write location so they can actually be used.

2.5.3 (6/23/2020):

• raspberry pi not supported
• Fix issue where loading chamber interface config file fails because datetime is included, ignore datetime.
• Fixes graph range selector (datetimes time zones where wrong).
• Data downloads now match configured data series.
• Add options for quickly altering users data series.
• Alert user to F4T program names that are too long.
• Disable csrf
• Add minimum time span for graph to fix bugs.
• Add a system variable to suppress os_setup error messages. Used for demo unit as it has no persistent storage.

2.5.2 (5/5/2020):

• raspberry pi not supported
• Macro message operation alert no longer times out.
• Allow override of events where manual == false.
• Prevent a user from overwriting a running program (watlow controllers).
• Fix issue where system would test P300 controller type when P300 was not selected.
• Fixes for os_setup script.
• Properly backup configuration database when system variables are updated.

2.5.1 (4/14/2020):

• raspberry pi not supported
• Fix an issue where external source(s) sending the float +/- inf crashes the external source editor.
• On trend graphs when a color is not defined for a series modify the "random" color algorithm to use MD5 for a more random appearance. (colors are not random, they are calculated from the label the same way every time).
• Fix os_setup script to function properly (critical bug fix, must update all 2.5.0 with this ASAP).

2.5.0 (4/2/2020):

• Change hardware from raspberry pi to AAEON UP2, 2.5+ requires the new hardware
• F4T based chambers now have the option to use Ethernet instead of serial communications.
• Internal configuration database backup to ensure system functionality.
• Kiosk support when automatically activated when a display is connected; on screen keyboard is activated on first touch event.
• Rework old format csv log logic to run once per day to prevent excessive log storage wear.
• Migrate system back to sqlite from mysql to prevent excessive log storage wear.
• Add automatic data log backup system via USB and SMB shares. Much more accessible than macro based backups (though less flexible).
• Experimental graphana support added via the simple JSON data source.
• Automatic logout functionality implemented, defaults to a year which is the same as previous versions.
• Set celery results timeout to 60 seconds to reduce redis-server memory usage.
• Account type "user" may now view a list of programs and view their parameters, they may not edit the programs.
• Add screen shot functionality for the trend graph(s)
• Add a 'message' option to macros that notify the first user to access the interface.
• Fixes #100 "Improve root file system reliability" hardware change, uses two SSD one for OS and one for Logging
• Fixes #106 "Firmware update process is not very robust" by using mender.io
• Fixes #125 "Macro Example "Hourly upload data logs to FTP server." editor fails to open"

2.4.8 (10/26/2020):

• Addresses #133: "Network screen fails on 2.5+, when more than 2 or 3 chambers are present." (Not an issue but on 2.4.x but wanted to keep consistent; should not have worked on 2.4 either...)
• Addresses #134: "Missing Status modes for some chamber types used by the network screen."

2.4.7 (unreleased):

• Addresses #131: "F4T non sequential loops break program editor."

2.4.6 (9/23/2020):

• Add color customization screen, allows user to select color coding for operating mode.
• Fixes for thermotronTCP network screen converter converter.
• Adds P310/P200 Temp/Humi chamber TCP network screen converter.
• Adds P310 thermal shock chamber TCP network screen converter (consider this a beta).
• Allow only 4 requests to the server at a time on the network screen so that it remains responsive.
• Add support for specifying port to network screen ip addresses. ex: 123.123.123.123:4444

2.4.5 (3/19/2020):

• Add md5.js so trend.js stringToColor function gives more random colors.

2.4.4 (2/3/2020):

• Fixes #124 "On EQ chambers with PTCON option, PTCON option cannot be enabled via web interface"

2.4.3 (9/6/2019):

• Fixes #122 "EQ chambers with PTCON option program read is broken"

2.4.2 (unreleased):

• Fixes #118 "knockout.js fails to render app.html in error state".
• Fixes #119 "P300 program details Abs High/Low affect monitor graph y axis range"
• Fixes #120 "Monitor Graph allowable range is invalid when a loops range min/max is zero"
• Fixes #121 "F4T control loops must be sequential"

2.4.1 (6/7/2019):

• Fixes #116 "Auto configure disables setup wizard"
• Fixes #117 "Invalid SQL defaults periodic tasks"

2.4.0 (6/4/2019):

• Resolves #83 “Add support for vibration on P300 Chambers.”
• Resolves #87 “Add support for air speed control on P300 chamber’s that support the AIR? command”
• Fixes #96 “Command Forwarder closes TCP connect on first command after reboot.”
• Fixes #97 “Time signals section visible on constant page even on system with no time signals”
• Fixes #98 “CSV files are missing from samba share with 2.3.x versions, add them back for compatibility”
• Fixes #99 “Graphs on monitor page are cumbersome on multi controller chambers.”
• Resolves #102 “Add support for Version 1 espec north america web controllers on the network view”
• Fixes #104 “Network view empty panels”
• Resolves #105 “Add support for Thermotron 8x00 chambers on the network view”
• Fixes #107 “Setting the chamber controllers date/time does not always work”
• Fixes #108 “Setup page fails on internet explorer 9 and 10”
• Fixes #109 “Race condition can cause configuration reset”
• Fixes #110 “Add a function to delete csv files on user’s request”
• Fixes #111 “Server date/time setup option does not work”
• Fixes #112 “The “Upload Configuration” button is borken”
• Fixes #114 “/systems/neighbors/find can fail causing annoying errors”

2.3.7 (2/19/2019):

• fixes #103 (Watlow F4T's with cascade loops fail to update from constant page.)

2.3.6 (12/17/2018):

• fixes #94 (Applying network settings from the P300's HMI does not work)
• fixes #95 (On P300 chambers network settings will reset to DHCP if Ethernet cable is unplugged)

2.3.5 (12/11/2018):

• fixes #93 (Update process is not installing required configuration files)
• fixes #92 (Update email server settings to match new credentials)
• fixes #91 (Communication errors with process controller causes other problems)
• fixes #90 (ZeroReturnError thrown when scanning network for other Controllers)

2.3.4 (11/27/2018):

• fixes #89 (Race condition for adding rows to Refrigerator & ProgramList tables.)

2.3.3 (11/20/2018):

• fixes #86 (On version 2.3.X not all constant mode parameters may be set.)
• fixes #88 (Cascade deletes on Controller table do not work.)

2.3.2 (10/26/2018):

• fixes #80 (default configuration pages fails loading)
• fixes #81 (w/ no log data; recent query fails)
• fixes #82 (w/ no log data; trend stats request fails)
• fixes #84 (demo mode allows log delete)
• fixes #85 (needed let causing issues with older browsers)

2.3.1 (10/23/2018):

• Fix problem with unexpected operation mode strings breaking operating mode percentage calculations.
• Fix problem with macro wait operation configuration and execution (neither worked...)

2.3.0 (10/5/2018):

• Add a macro system to trigger a set of operations when a specified condition is met.
• Add external source options for logging/displaying data from devices that support standard protocols (Modbus only for now).
• Add basic automatic configuration of connected process controller to simplify initial setup.
• Add ability for shown eliments to be hidden if the chamber does not support that feature (ie programs).
• Add operating statistics that shows the percentage of time the chamber is in each mode.
• Add a table listing all operating modes the chamber has been in and allow that data be be downloaded/viewed.
• Add "Apply & Start Constant Mode"/"Start Constant Mode" to "constant" screen for quicker operation.
• Add ability to start a program from the "program" screen for quicker operation.
• Add output power to each control loop on the side bar.
• Add support for configurable ntp server's
• Add support for using system time for logging (when NTP is valid) with a system variable (contact service).
• Add support for using process controller's time as if it is UTC so front end displays correct times no matter where a user is with a system variable (contact service).
• Add automatic SAMBA data log transfers (macro system) (issue #14)
• Add Email alert at end of profile or change of mode (macro system) (issue #30)
• Add ability to issue web hooks when chamber reaches a defined state (macro system) (issue #31)
• Add automatic FTP data log transfers (macro system) (issue #33)
• Add deep data filtering and retrieval (macro system) (issue #36)
• Add units to program screen ramp rates on Watlow F4/F4T based chambers (issue #72)
• Add the ability to display/log data from generic devices that support Modbus TCP/RTU (external sources system) (issue #74)
• Add a warning when entered network settings are obviously invalid (issue #69)
• Add a program loop/cycle/counter status display (issue #68)
• Improved performance when interacting with process controller(s).
• Improved network fallback system on new installs by making it using DHCPCD instead of old unreliable method.
• Improved setup screen by moving it to its own page (configuration errors don't block access anymore).
• Improved setup screen layout; sidebar system works better on larger screens than accordion.
• Improved network view editor by making it what you see is what you get.
• Improved RESTful api by adding missing end points/actually using the uri to select elements.
• Improved RESTful api by moving the last few system holdouts into it (reboot, users, etc)
• Improved monitor page's graph by making plotted data configurable; and adding more available state data.
• Improved chamber configuration file upload by notifying on success (issue #50)
• Improved user account management to make it much clearer what is going on (issue #64)
• Fix hide time signal section of sidebar when system has no time signals (issue #49)
• Fix monitor graph middle click pan does not work on current versions of chrome/opera (issue #61)
• Fix no timeout on api requests to other chambers (issue #63)
• Fix network view allowing user's without permission from modifying the view (issue #62)
• Fix logging configuration sample interval allowed range and description to be consistent (issue #67)
• Fix SCP-220 program editor allowing cycle counts of greater than 99 to be entered (issue #76)
• Fix user not being notified that PTCON and humidity are mutually exclusive operating modes (issue #66)
• Fix network view fails when server IP address changes (issue #65)
• Fix setValue is ignored unless enable is true on /api/v1.0/chambers/1/loops (issue #73)
• Fix SCP-220/P300 errors out if all time signals are not enabled on the process controller (issue #15)
• Fix basic API authentication (issue #52)

2.2.8 (7/17/2018):

• Update default SMTP settings.

2.2.7 (4/12/2018):

• Correct RESTful API basic authentication.

2.2.6 (3/26/2018):

• Adds factory reset button to setup page to correct database configuration errors.

2.2.5 (3/23/2018):

• Fixes to chamber connect library that corrects reading programs with empty names ie "".

2.2.4 (3/13/2018):

• issue #54 was not truly fixed it is now.
• Fixes to chamber connect library that corrects intermittent problems writing SCP-220 programs with guaranteed soak enabled

2.2.3 (9/20/2017):

• Fix F4 event # wrong on program editor (issue #60)
• Fix data not being logged in some watlow F4 based chamber configurations.

2.2.2 (9/18/2017):

• Fix silent status update exceptions (issue #59)
• Fix first loop must be named temperature (issue #56)
• Fix Watlow F4 w/condtion event always const (issue #55)
• Fix network view layout cumbersome (issue #54)
• Fix F4 alarm high vs low (issue #53)

2.2.1 (5/16/2017):

• Fix static file versioning so that updated static files do not require manual refresh (issue #47).
• Fix Network view incorrect color for off chambers (issue #46)
• Fix issue loading in neighboring chambers when not logged in (issue #45)

2.2.0 (4/27/2017):

• Link to other controllers on network in the breadcrumb bar (web controller name is now a drop down)
• Add a new view for screens wider that 1600 pixels
• Add current program cycles/counter status to the api (v1.1)
• Multi-thread database update process for chambers with multiple controllers (makes interface more responsive)
• Clicking the monitor tab's graph now results in a easier to read pop up in place of a list below the graph.
• Add the network view giving an at a glance view of all chambers on the network.
• Proxy support for sending emails (required if the target network requires all traffic to go through a proxy to reach the internet).
• Watlow F4 Support.
• Additional controls for the monitor tab's graph (independent axis zooming, zoom extents, disable scrool wheel controls).
  • A future update will make these settings persistant per user.
• Reconfigure apache for better response times under heavier load.
• Online core is now fully supported.
• Bug Fixes:
  • WatlowF4T cascade loop setpoint minumum now works corretly instead of always returning -100
  • Firefox no longer triggers "server offline" on form submission.
  • Wizard modals no longer overflow off te screen on IE (all modals now scroll internally instead of making the page longer)
  • Configurating EN chamber using the presets now works.
  • /api/v1.0/chambers/1/events/1 now works (accessing event by id does not work).
  • Database connection errors no longer occur on first boot.
  • Firmware update process fixed for future updates (currently returns error instead of success message).
  • Navigating directly to program editor when not logged in now returns decent error response instead of error page.
  • Trying to delete a running program on the WatlowF4T now returns error message instead of false success messsage.
  • Monitor tab's graph legend is now clickable when the page initially loads (was not clickable until graph refreshed).
  • Submitting a form with an expired CSRF token now explains why the form submission failed instead of going to a useless error page.
  • javascript files used by the web ui are now versioned so that hard page refreshes are not required after updates.

2.1.2 (2/16/2017):

• Bug fixes for multi controller chambers.

2.1.1 (2/2/2017):

• Add better descriptions of chamber config options.
• Add icons for loop names (defaults to none)

2.1.0 (1/24/2017):

• Merge multiple page system into a single page approach.
• Add support for for cascade on the WatlowF4T
• Add support for the Espec P300 chamber controller.
• Add support for the Espec SCP-220 chamber controller.
• Add TCP direct interface to chamber controller.
  • Port 502 for modbus based chamber controllrs (WatlowF4T)
  • Port 10001 for Espec P300/SCP-220
• Add REST API.
• Add message when server is offline.
• Add new first configuration wizard.
• Notify user of non working browsers (ie8 and older)
• Switch to MySQL backend, (this makes updating from 2.0.0 difficult.
• Move background error messages to setup screen to stop spamming user with non critical errors.
• Add support for multi-controller chambers ie large IR chambers.

2.0.0 (4/1/2016):

• Initial Redesign, WatlowF4T support only.

1.1.4:

• Make baud rate configurable, SCP has intermittent issues with 19200, P300 requires 19200 for internal installations.
• Add basic install instructions to config.html, auto-detect now figures out baud rate.
• Correct TCP forwarder to properly handle client disconnects/timeouts.

1.1.3:

• Correct issue where programs could not be saved when TCPForwarding is disabled.

1.1.2:

• Correct program reads incorrectly showing humidity active and ignoring granity.

1.1.1:

• Change serial device to /dev/ttyUSB0 (default + all preset files).
• Correct program downloads. cgi data now always array with new ruby version.

1.1.0:

• Merge SCP220 firmware into P300 firmwares.
• Correct data logging process to use configured settings not autodetection (autodetection randomly incorrect).
• Change baud rate to 19200.
• Change maximum # of data points too 1000000 (can be changed for use on old gumstix hardware).
• Speed up CSV generation and graph data collection algorithm.
• Add auto configure button for everything except humdity graph (cannot be auto detected).
• Remove Time signal configuration options, in the future will be replaced with usefull individual selection system.
• Update ruby backend for newer 1.9.X versions
• Add current list of custom humidity graphs.
• Support new Hardware (raspberry pi) much faster and allows for more data storage.
• Add ability to display MAC address, passcode protected.
• Add basic status menu on video outputs and ssh login.

1.0.0 (old hardware only):

• Initial P300 Release