Walchem have released 2 new software upgrades in close succession, V4.25 and V4.27. If you missed V4.25 for the Intuitions, you will not need to carry out the upgrades separately, the 4.25 and the 4.27 functionality have been wrapped into one upgrade file.

New V4.27 upgrades (incorporating V2.5)

Intuition-9™& Intuition-6™:

• Optimised file storage and enhanced handling of network traffic

• Many of the common Engineering Units used in the controllers are now part of the standard BACnet protocol
• Improved compatibility with new IOS/iPhone upgrades and some work was done to help avoid future downtime with IOS/iPhone upgrades
• Expanded self-diagnostic alarms in the CU/NI controllers to test for disconnections in sensor wires
• General bug fixes found since last upgrade, most notably in some foreign language screens
• Admin and Tech level administrators now able to set and change their own passwords

• Optimised network communications improving reliability, faster transfer and less data loss
• Added four levels of security for remote connections as well as at the local user interface (touchscreen)
• Added email field for user-requested “forgot password” requests
• Changed sign in attempt lock-out to ten times with 30-minute lockout
• Compliance with GSA requirements for security with all important information encrypted at rest
• Added autocomplete setting to enable or restrict browser from using its auto-fill feature of username/password (GSA security requirement)
• Expanded Fluorometer calibration settings enabling calibration either in the controller (current) or at the sensor
• Expanded Lead/Lag flexibility so each Lag can now be independently interlocked
• Added a network log download button for easier access and troubleshooting
• Added the Graph File Format type to allow .ZIP files in email reports
• Log In Timeout setting moved to Ethernet Settings
• Added LiveConnect Timeout setting to help compensate for modem communication issues
• Expanded the allowable calibration range for disinfection sensors to -300 to 40

New V4.27 upgrades

W900 & W600:

• Complies with GSA requirements for security with all important information encrypted at rest
• Added four levels of security for remote connections as well as four levels at the local user interface (touchscreen)
• Network Admin (access to all)
• Controller Admin (no network settings, but all control settings)
• Technician (calibrations and HOA)
• View Only
• Added email field for user-requested “forgot password” requests
• Changed sign in attempt lock-out to ten times with 30-minute lockout
• Added autocomplete setting to enable or restrict browser from using its auto-fill feature of username/password (GSA security requirement)
• Expanded fluorometer calibration settings enabling calibration either in the controller (current) or at the sensor
• Expanded lead/lag flexibility so each lag can now be independently interlocked
• Added a network log download button for easier access and troubleshooting
• Added the Graph File Format type to allow .ZIP files in email reports
• Log in timeout setting moved to ethernet settings
• Added LiveConnect timeout setting to help compensate for modem communication issues
• Optimised network communications improving reliability, faster transfer and less data loss
• Expanded the allowable calibration range for disinfection sensors to -300 to 40
• Many of the common engineering units used in the controllers are now part of the standard BACnet protocol
• Improved compatibility with new IOS/iPhone upgrades and some work was done to help avoid future downtime with IOS/iPhone upgrades

New V 4.25 upgrades

W100 updates:

• Expanded allowable calibration range for disinfection sensors to -300 to 40 (only affects non-CT/BL controllers)
• Fixed bug with digital input one when it is used as a flow meter