Firmware Version 5.1a for the SQ2020 and SQ2040 (all types)
Development Release Note
Release Date: October 2011
 
 
NOTE: Please read this document before installation
The SQ2020/2040 firmware consists of three files, cont351.hex (controller with textual display), cont375.hex (controller with graphical display) at V5.1 and acqu.hex (acquisition) at V5.1
SquirrelView will choose the correct cont.hex file depending on whether the textual or graphical display is fitted
 
NOTE: BOTH the controller and the acquisition must be upgraded as a pair 
NOTE: SquirrelView version 3.7 or above is required when using this firmware 
 
Use SquirrelView to upgrade firmware:- 
 
1.  Place All .hex files into a writable location
2.  Use the upgrade wizard available from SquirrelView Tools->Diagnostics->Squirrel
3.  After upgrading, confirm that both the controller and acquisition are at the correct version by using
     Tools->Diagnostics->20xx Squirrel->Firmware Versions

 

The following summarizes changes from V5.1 release

 

Ref     Description

---     -----------

CIR5509–Improved display contrast

 

The following summarizes changes from V5.0 release

 

Ref     Description

---     -----------

14875 – Setting a thermocouple and a scaled range caused logging and metering to fail

 

The following summarizes changes from V4.X release

 

Functional Changes:-

 

·         Added ability to drive graphical display

·         Added B, C and D-type thermocouple ranges

·         Added “Restricted” mode to Keypad Lock

 

Problems Fixed:-

 

Ref     Description

---     -----------

14573 – Ensured that the “Low Battery” message is displayed correctly

14572 – Ensured that the "Power Critical" message is displayed correctly

14558 - Changes required to allow the graphic display to be used as well detection of whether textual or graphical display is fitted

14556 - Added “Restricted” mode to Keypad Lock to allow starting/stopping logging and copying of data but no editing in other menus

14555 - Added B, C & D-type thermocouples to the available ranges

14546 - Changed display message “Error Sub-second rate” to "Refer to manual Sub-second rate".

14488 - Changes to allow the last byte of the IP Address to be displayed properly

14265 - Added various strings for displaying IP address and related errors

14131 – Second and subsequent differential channels are now added correctly in Channel Setup/Add Channel

 

The following summarizes changes from V4.6 release 

 
Functional Changes:-
 
·         None, changes required for new issue pcb
 

The following summarizes changes from V4.3 release  

 
Functional Changes:-
 
·         Added Wi-Fi capability
·         Added the ability to change the internal memory size if the card fitted allows it
·         Added the ability to display the logger’s IP address for versions fitted with Ethernet or Wi-Fi
·         Added a display of how much data has been downloaded to a external memory card
 
Problems Fixed:-
 
Ref     Description
---     -----------
14084   A sensor power supply set but not assigned to any channel would turn on even when overloaded
14109   Default download timeout changed to 4s to improve GSM/GPRS reliability
CC1654  Calculated channels were not being stored when all channels were averaged and readings took 2s
14160   Self-test did not work if a rate was set for interval A
14178   Scaled pulse rate ranges did not work on long intervals
 

The following summarizes changes from V4.0 release 

 
Functional Changes:-
 
·         Added the SUM logging mode which adds all readings taken since logging started
·         Added User Thermistor ranges
·         Added more mathematical functions - ln, exp, log, x^y, sqrt
·         Made searching by time quicker to improve the response when using the Downloader
 
Problems Fixed:-
 
Ref     Description
---     -----------
13917   Loss of power on boards prior to Issue J could cause the USB to stop working until the logger was reset
13987   Timestamps were not being recorded when only digital channels were set to log
14050   The inbuilt Ethernet module stopped working after power loss – Please contact Grant if you have this problem
14068   Scaling on pulse count/frequency ranges could be incorrect for metered readings
14069   Channels set to log average readings could not be metered correctly
 
Dependencies
SquirrelView version 3.7 or above must be used with this firmware.  Please contact your supplier if required.