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Chapter 9. Diagnostics
36 hex/54 decimal, Operand is not byte aligned.
A variable in user logic is not properly byte-aligned for the requested operation.
Correction
Correct logic or adjust memory size in hardware configuration.
39 hex/57 decimal, DLB heartbeat not received, All DLBs stopped and deleted
The controller has not received a heartbeat signal from the programmer within the time specified by
the DLB Heartbeat setting in the Target properties.
Correction
Increase the DLB Heartbeat setting. For additional information, refer to Executing DLBs.
3B hex /59 decimal, PSB called by a block whose %L or %P memory is not large
enough to accommodate this reference.
Parameterized blocks do not have their own %L data, but instead inherit the %L data of their calling
blocks. If %L references are used within a parameterized block and the block is called by _MAIN, %L
references are inherited from the %P references wherever encountered in the parameterized block
(for example, %L0005 = %P0005). For a discussion of the use of local data with parameterized
blocks, refer to Parameterized Blocks and Local Data in Chapter 2.
Correction
Determine which block called the parameterized subroutine block and increase the size of %L or %P
memory allocated to the calling block. (To do this, change the Extra Local Words setting in the
block's Properties.)
The maximum size of %L or %P is 8192 words per block. If your application needs more space,
consider changing some %P or %L references to %R, %W, %AI, or %AQ. These changes require a
recompilation of the program block and a STOP Mode Store to the CPU.
It is possible, by using Online Editing in the programming software to cause a parameterized block to
use %L higher than allowed because of the way it inherits data. To correct this condition, delete the
%L variables from the logic and then remove the unused variables from the variable list. These
changes require a recompilation of the program block and a STOP Mode Store to the CPU.
GFK-2950C
February 2018
415
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