INSTALLATION INSTRUCTIONS
2-22 EPT009665 Issue 2 May 2015
The Compile OK Signal
The sequence of the Compile OK signal normally follows the ready signal.
The Compile OK signal goes into high state together with or later than the
ready signal - depending on the compile time of the current printing
message:
There are only two cases where the CPI signal goes into low state and the
RDY signal stay at high state.
Buffer Empty
The CPI signal goes low as the buffer runs empty. An error message will
occur if a print is triggered with an empty buffer. Normal printing carries on
if the buffer is filled with data before the next triggered print.
Lock DSP Data on Change
It is possible to use the CPI signal to detect when changes to the message
have been processed. As reaction to these changes, Dynamark first lowers
the CPI output and raises it again when the changes have been processed
so that they are included in the next print. Note that Dynamark does not
prevent marking, so print triggered while the CPI output is low will not raise
a fault but only print the old data. These external changes are typically
triggered via the Dynamark Interface or user ports.
Changes that can be used to lower the CPI output:
• activating a changed message from the editor
• SETTEXT via Dynamark Interface
• SETDATA via Dynamark Interface
• SETVAR via Dynamark Interface
• counter increment via user input
• text select via user input
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