4 Safety Function Blocks
4 - 114
NX-series Safety Control Unit Instructions Reference Manual (Z931)
Output Variables
Variable Data type Valid range Default Description
Ready BOOL TRUE or FALSE FALSE Refer to Safety FB Common Output Variables on page
4-4.
S_OSSD_Out SAFEBOOL TRUE or FALSE FALSE The safety-related output that gives the ESPE status.
FALSE: There is a safety-related operation request for the
sensor or a test error occurred.
TRUE: There is no safety-related operation request for the
sensor and no test error occurred.
Note OSSD is an output signal switching device.
S_TestOut SAFEBOOL TRUE or FALSE FALSE Forms a pair with the sensor test input. Although SAFE-
BOOL is specified, this signal is commonly connected to a
BOOL output.
FALSE: There is a test request.
TRUE: There is no test request.
TestPossible BOOL TRUE or FALSE FALSE The feedback signal to the process.
FALSE: An automatic sensor test cannot be performed.
TRUE: An automatic sensor test can be performed.
TestExecuted BOOL TRUE or FALSE FALSE When the signal changes to TRUE, the automatic sensor
test was executed normally.
FALSE:
• An automatic sensor test was not performed.
• An automatic sensor test is active.
• The automatic sensor test failed.
TRUE: The sensor test was executed normally.
Error BOOL TRUE or FALSE FALSE Refer to Safety FB Common Output Variables on page
4-4.
DiagCode WORD Depends on state
code.
16#0000 Refer to Safety FB Common Output Variables on page
4-4.
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