Month: May 2008

Solutions

• Attempting to write a Loop or Alarm containing a word address that is within five locations of the maximum configured value of the address type no longer results in an error.
• The PRINT statement will no longer prevent users from enabling their Special Function Programs and Subroutines.
• Analog Alarms now write the correct number of bits to the V-flag address when the location is discrete.
• MATH expressions no longer set an error when an address is assigned at its maximum bounds.
• The PACKRS instruction now correctly allows constants for Loop Number, Number of Steps, and Starting Step parameters.
• Instructions that require preset values to be set are now correctly set on a transition to Run Mode.
• The Find Opcode function now properly finds instruction numbers greater than 255.
• The IMC instruction now indexes its pointer value correctly during execution.
• Implied addresses are now located correctly during a Find Parameter operation.
• The DCMP, DSET, MDRUMD, MDRUMW, MWFT, MWTT, and SHRB instructions are now checked correctly for syntax errors.
• 32-bit integers are now processed correctly in Special Function instructions.
• Parameterized Bit memory may now be used as the register address in MWIR and MIRW instructions.
• The LEAD/LAG instruction now produces the correct output.
• RLL instructions with parameterized bit and word address maximum boundaries of 20 are now able to use the maximum value within their programs.
• The total number of Loops, Alarms, and Special Function Programs and Subroutines is now determined at startup based on the PLC model and is used correctly to perform syntax checks.
• DCAT, MCAT, Bit of Word Coil, Set Coil, and Reset Coil instructions now properly disable or clear their outputs when the MCR or JMP flags are turned off or on.
• The Special Function Modulo operator now reports the correct result when using real numbers where the denominator is less than 1.
• Timer-based instructions will now work properly when used in RLL subroutines.
• Analog Alarms and PID Loops are now properly clearing their low and low-low alarm flags when the process variable jumps immediately from the low end to the high or high-high alarm range.
• The integer format may now be used when using constants within conditional breakpoints.
• The SFSUB instruction now correctly ceases execution when a parameter sets the SFEC variables and the Continue on Error flag is set to No.
• The setpoint for Loops and Alarms is now being clamped properly when the remote setpoint is not in use.
• The deadband for Loops and Alarms now functions correctly when the process variable becomes negative.
• SCALE statements now properly round integer results.
• MOVE Word operations now correctly copy the last word of a parameterized word memory address (PSWA).
• PID Loops now correctly prioritize to execute in the right order.
• All Special Function programs and subroutines will now queue to execute if they have power flow enabled for at least one scan.
• Searching for inline Special Function Subroutines while online now works properly.
• The IMATH statement now produces the correct result when calculating a shift left or shift right operation into a long integer.
• The PACK TO statement now accepts a constant value as the Data Start Address.
• Entering an Alarm V-flag above Y9=8182 no longer results in an error.

Features

• Data Window contents can now be printed.
• Addresses can now be forced on and off using the hotkeys Ctrl+F3 and Ctrl+F4, and set on and off using the hotkeys Shift+F3 and Shift+F4.
• The Force Memory data format can now be selected from a drop-down menu.
• Inserting a network no longer automatically places the new network at the top of the screen.
• Users now have the option to automatically insert a new rung when a network is validated.
• Cross Reference now lists Master Control Relay (MCR), Master Control Relay End (MCRE), Go To Subroutine (GTS), and Call Subroutine (SBR) information.
• COM Port availability has now been expanded to 256.
• Communication settings can now be saved and loaded with the program.
• Available S-Memory is now displayed in the Status Bar.
• The Data Window now displays 16-bit binary values as two groups of 8 bits.
• Users are now able to import and export network header information using delimited text files.

Solutions

• Ramp/Soak Flag Addresses now check for valid range correctly.
• The TIWAY Network Access dialog no longer displays a large secondary address when no path descriptions are configured.
• Attempting to Fast Connect via TCP/IP before opening another online connection no longer results in an error.
• Large Special Function Subroutines are now encoded and decoded correctly.
• The PLC Scan Time dialog now properly displays the label “Normal SF Program”.
• Converting TiSoft files to WorkShop now properly retains forced addresses.
• Cross Reference now displays proper usage for Alarm V-Flags, PID V-Flags, and Ramp/Soak Flags.
• Comparing programs containing compiled Special Function Programs or Subroutines to identical contents within a CTI 2500 Series PLC no longer results in a mismatch.
• Long integer addresses are now entered into Special Function parameters correctly.
• The Sentinel Key Driver has been updated to version 7.4 to fully support Windows Vista and other new software.
• All addresses that accept documentation are now valid for cut,copy, and paste commands.
• The Address Documentation Editor now properly parses indirect addresses during copy/paste operations.
• Attempting to generate a Next or Previous Address for Loops or Alarms no longer results in an error.
• Deleting an open Special Function Program or Subroutine that is the last or only window open in WorkShop no longer results in an error.
• The expression parser no longer allows a second assignment operator to be placed in an expression.
• Validated IMATH expression strings now display long hexadecimal values correctly.
• Alarm and Loop variables are now stored and scaled offline correctly.
• Status no longer turns on automatically when entering a new address in the Data Window.
• Pressing the Esc key to cancel a Delete Logic warning message while online no longer results in the logic being deleted.