Detailed Description
2.8 SPL for Safety Integrated
PLC Basic Program Solution Line (P3 sl)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-63
2.7.13 Special functions of the machine control panel
General
Special functions are available for some MCP variants:
Switch off MCP flashing
On the MCP MPI variant, flashing can be suppressed in offline mode. No communication
takes place in offline mode (e.g., even if the MCP connection fails). During active
communication, a value can be specified in the output data using status bits 24 or 25 in
MCP1StatSend and MCP2StatSend. The checkback signal indicating that the value has
been transferred is sent back in the same bits in MCP1StatRec, MCP2StatRec. Following a
successful checkback signal, the status bits in send status must be reset.
There is an implementation example in the Toolbox.
Temperature monitoring of the MCP
With the MCP MPI variant, an increased temperature is signaled back via bit 28 = 1 in
MCP1StatRec, MCP2StatRec.
2.8 2.8 SPL for Safety Integrated
Rather than being a function of the basic program, SPL is a user function. The basic
program makes a data block (DB18) available for Safety SPL signals and runs a data
comparison to ensure the consistency of SPL program data in the NCK.
See:
References:
/FBSI/ Description of Functions, Safety Integrated
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