Keypad Version History

Enabled LDD
Fixed lockup caused by pressing Cancel when selecting a reel
Background Config updates wait until end of dispensing.

V3.03 - Released: 2 Feb 2006

Merged Oilwatch & Accuguard versions but Accuguard is limited to single dispensing
Made the final LCD delivery amount equal that reported as a transaction

V3.04 - Released: 10 Feb 2006

Prompts would allow more than 16 chars
Numeric entry (eg Reel no.) allowad SHIFT to put a space in the text
Transaction Prompts only had 16 char spaces - need 17

V3.05 - Released: 23 Mar 2006

RS485 comms had the driver almost permanently enabled corrupting other
keypads replies. The Comms LED is now mostly off and blinks only when communicating.

V3.06 - Released: 28 Mar 2006

Time/date from PC did not always calculate to keypad time.
We now take the downloaded seconds and subtract the seconds in 1970 less 5 hours which may be due to the timezone.

V3.09 - Released: 18 Apr 2006

Fixes bug in validation codes where a 16 bit storage was used instead of
the required 32 bits.
The PIN list was never deleted so PINs could only ever be added.

V3.10 - Released: 25 May 2006

Installer menu rotates a little slower for easier use.
Start >> "Reel Busy" cycle allows time to see the message.
PC/Keypad comms. is temporarily suspended to avoid the Start >> "Reel Busy" cycle.
Internal program errors are reported as zero quantity transactions with Prompt1 as the error code.
Internal program errors allow a restart without the "Waiting for Master" screen.

V3.11 - Released: 16 Aug 2006

Added a delay in the transmit to PIC comms to avoid the Start >> "Reel Busy" cycle.
This should fix the real problem vs. 3.10 which just helps a bit.

V3.12 - Released: 5 Jan 2007

V3.13 - Released: 15 Jun 2007

Moved all remaining language dependant text to message.lib
Included simultaneous dispensing in the AccuguardPC
Pressing cancel during batch selection returns to the outlet selection stage.
Fixed stack overflow when testing valves from the installer menu
Changed the Oilwatch version's installer menu to use the arrow buttons instead of 'Press 1,2,3' etc.

V3.14 - Released: 5 Jul 2007

Added a minimum delay of 5ms after enabling the RS485 driver and actually sending any data. This avoids
corruption of reply messages with long cables and/or larger numbers of attached keypads.

V3.15 - Released: 2 Nov 2007

Added support for remote dispensing from Oilwatch V2.51 and above.
User can press cancel to exit from validation when the PC is not connected.
Added extra initialisation to ensure the LCD starts up correctly.
Barcode scanner can be used to enter data at the keypad.
The left and right arrows now switch displayed channels even when there is no pulser input.

V3.16 - Released: 31 Jan 2008

Remote dispensing gets disabled if the keypad is used via its front panel
Barcode scanner input allows the fill to be started by scanning the word 'START'

V3.17 - Released: 22 Apr 2008

Fixed dispensing bug where it keeps requesting validation after the controller gave its reply.
Once range validation mode was selected it could not switch back to list mode without erasing its configuration.
Multi-dispensing from the front panel now works again as intended.
When the keypad is idle it shows the 'Press ENTER' prompt instead of 'ENTER PIN'.
The 'ENTER PIN' prompt has a 10 second timeout which returns to the 'Press ENTER' prompt
While entering a dispense at the keypad the remote dispensing is blocked.

V3.18 - Released: 28 Apr 2008

The 'Press ENTER' prompt now allows a barcode scan to assume the user has pressed 'Enter'
The 4 prompts now permit embedded spaces, they used to truncate at the first space.
Added iButton PIN entry facility.
The manager button (with PIN protection) allows a user to read a PIN from an iButton.

V3.19 - Released: 5 Jun 2008

V3.20 - Released: 20 Jun 2008

Defaults to disabling dispensing after a predefined number of fills are held in the transaction buffer.
The predefined number of fills can be changed using the installer menu (from 10 to 999).
The predefined number of fills can be set to zero to prevent disabling. Only the most recent 999 transactions are stored.
Added a "PLEASE WAIT" message while saving settings in the installer menus.

V3.21 - Released: 28 Jul 2008

V3.22 - Released: 18 Mar 2009

Added feature to the installer menu to allow any prompt to be defined as numeric only, the default is full text.
An attempt to dispense with scale factor of zero now fails and displays an error message on the LCD.

V3.23 - Released: 16 Apr 2009

Fixed bug introduced in 3.22 where prompts cannot be turned off once set without manually clearing the keypads configuration.

V3.24 - Released: 10 Sep 2009

V3.25 - Released: 20 May 2010

Protects the keypad address if the configuration gets wiped.
Improved detection of configuration memory faults.
Handles attempts to dispense more than allowed for the tanks maximum delivery quantity properly.
Reel selection errors now give correct error messages.
Changed iButton PIN reading algorithm for a more even number spread (requires PC Oilwatch V2.56 and above)

V3.26 - Released: 11 Aug 2010

Prompt validation now correctly formats the requst to the PC program.
Enabled the user to cancel a fill entry in outlet selection if PIN and prompts are disabled.
Prompt entries for the current fill are erased if the PIN is changed.

V3.27 - Released: 19 Nov 2010

Optimised for improved flash memory endurance.
Fixed bug where a blank entry for the reel number appeared to allow a dispense.
Fixed a bug in the transaction data format for reel numbers > 99
Added more support for the new features in the PC Oilwatch software.
-- Transactions can be held in store until the PC calls for their removal to aid reporting reliability.
-- The V3.x PC software will define the max. fill qty. for each reel if validation is enabled.

V3.28 - Released: 30 Jun 2011

V3.29 - Released: 12 Sep 2011

V3.30 - Released: 12 Mar 2012

V3.31 - Released: 21 May 2012

V3.32 - Released: 23 Aug 2012

Fixed Gallons/Quarts/Pints per reel in the configuration download.
Reels now remember last delivery unit for the next dispense.

V3.33 - Released: 17 Oct 2012

V3.34 - Released: 7 Nov 2012

V3.35 - Released: 24 Apr 2013

Validation now allows entries on more than one prompt number.
Now the operator cannot change outlets when a validation code only allows a single channel.

V3.36 - Released: 3 Jun 2013

V3.37 - Released: 15 Jan 2014

Added the ability to delay the prompts until delivery completes for mobile units.
-- Enabling delayed prompts disables simultaneous dispensing.

V3.38 - Released: 26 Jun 2014

V3.39 - Released: 4 Aug 2014

Mag card pin will now start another fill until maximum concurrent fills are reached.
Validation now has a 2.5 minute timeout while waiting for a response from the PC.
Improved error messages for validation failures

V3.40 - Released: 27 Aug 2014

V3.41 - Released: 26 Sep 2014

Oilwatch COMPACT II, Accu-Guard COMPACT+

V3.15 - Released: 9 Mar 2006

V3.17 - Released: 14 Mar 2006

V3.18 - Released: 20 Mar 2006

Transaction quantities print the correct quantity for the unit of measure
(used to print in gallons)
Removed debug line from transaction printouts

V3.19 - Released: 23 Mar 2006

Barcodes entered / edited at the keypad now retain their measurement units correctly
Barcode deliveries dispense in the correct units

V3.20 - Released: 29 Mar 2006

V3.22 - Released: 28 Sep 2006

V3.23 - Released: 1 May 2007

Outlets could not be assigned to pulse meter #1 in the installer menu
Transaction printouts showed garbage for a user name when not using PINS
Moved all remaining language dependant text to message.lib

V3.24 - Released: 12 Jul 2007

Fixed bug in the installer menu where getting the printer status could interfere with printing
stored transactions and possibly leaving the printer offline.
The printer status routine now identifies an out-of-paper state
A reboot is now enforced after using the installer menu to guarantee the keypad initialises with the new configuration.

V3.25 - Released: 4 Dec 2007

V3.26 - Released: 22 Jan 2008

Added a tank empty warning instead of a prompt for a delivery quantity when the tank is empty
Added a tank full warning instead of a prompt for a delivery quantity when the waste tank is full
Bux Fix: Tank Warning messages could be misleading
Default configuration is now 1 outlet, 1 pulser (100ppl) & 1 tank without full/empty restrictions
An outlets waste disposal can now be returned to its default (unassigned) state
No longer prompts for an outlet number when the system only uses one outlet
Bug Fix: Changing a meters scale factor did not update the outlets scale unless the outlet was updated as well.

V3.27 - Released: 21 May 2008

Added iButton PIN entry facility.
Split barcode scanner operation into two modes, batch mode (as before) and front panel data entry.
Added a new [Aux. Function] item in the installer menu for front panel data entry with a scanner.

V3.28 - Released: 5 Jun 2008

Fixed transaction store wrap around problem
Added warning should the pulse counter fail at initialisation
Split the printer library into two to reduce program size in all products.

V3.29 - Released: 26 Jun 2008

V3.30 - Released: 26 Aug 2008

PIN usage status was lost during reports viewing/printing (compiler bug).
Transaction ticket cut short on Epson printer with built-in paper cut. Added 3 line feeds.

V3.31 - Released: 10 Sep 2008

V3.32 - Released: 31 Mar 2009

Fixed problem where transaction numbering was lost over a power down.
Fixed configuration error where outlet scalefactor and feed tank settings did not match the pulse meter.
Grade totals now report correctly as does feed tank view in the manager menu.
Changed installer access text to fit within the LCD window.
Enabled numeric only prompt entry opiton in manager menu.

V3.33 - Released: 10 Sep 2009

Fixed incorrect message when a barcode scan would take a tank level below the shutoff level.
Reduced display precision when showing very large fills (i.e. 0, 1 or 2 decimal places).
Fixed tank total clearing error.

V3.34 - Released: 20 May 2010

Fixed user name corruption by enforcing the 14 character name limit in the user database
Improved detection of configuration memory faults.
Changed iButton PIN reading algorithm for a more even number spread.

V3.35 - Released: 5 Oct 2010

Fixed problem with displaying the selected prompts
Updated the numeric vs. full text prompt entry storage to match the PC controlled keypads.
Enabled the user to cancel a fill entry in outlet selection if PIN and prompts are disabled.

V3.36 - Released: 7 Apr 2011

Optimised memory layout and access routines for improved flash memory endurance.
-- PcConfig.exe requires updating to match the new memory layout.
Fixed problem with printing the replies to the prompts
Limited recording of user totals per tank to 60 users.
Fixed buffer overflow bug when selecting manager or reports functions.
Fixed problem with lock up during initialisation when invalid barcode data is encountered
Reduced delays in the user interface when printing events.
Limited feed tank report from showing unused tanks.
Prints low level warning in red.
Downloading a configuration zeroes the user totals records.

V3.37 - Released: 9 Jun 2011

V3.38 - Released: 26 Feb 2015

Mk.2 Interface Unit,

V3.00 - Released: 27 Mar 2006

V3.01 - Released: 9 Jun 2006

V3.02 - Released: 9 Jun 2006

Fixed bug that stopped RTS & CTS link looking like a printer was fitted
Added a 'Virtual Printer' mode on DIP Switch #7 to replace an RTS/CTS link

V3.03 - Released: 21 Sep 2006

V3.04 - Released: 16 Oct 2006

V3.04 - Released: 5 Dec 2006

Added the upper 4 DIP switch readings to the printer CTS request message
Added translation for the word 'NONE' when the printer is missing

V3.05 - Released: 30 Jan 2008

Check printer online immediately before printing each character.
Initialised the printer and re-set its language whenever it comes back online

V3.06 - Released: 9 Jun 2008

Improved printer request handling when the printer goes offline
Added limited support for the obsolete status check function.
Split the printer library into two to reduce program size in all products.

V3.07 - Released: 26 Aug 2008

V3.08 - Released: 2 Mar 2011

Reduced post packet delay to 5ms before releasing the RS485 bus in 2 wire mode.
Added support for tank monitoring using an I/O unit.
Fixed bug that blocked parse error response from keypads and I/O units.

Accu-Guard PC+ Keypad, PC Oilwatch II Keypad

V3.01 - Released: 16 Jan 2006

V3.02 - Released: 30 Jan 2006