Siemens SIMATIC S7-300 Manual page 26

Product Summary
Digital inputs/out- Four digital inputs and four outputs can be used as specified by the user.
puts
You might connect:
The switching function is assigned to a given I/O number by way of the ma-
chine data.
Settings and func- Special functions can be activated by specific settings in the user program,
tions not depen-
in addition to the mode (e.g. inprocess measurement, retrigger reference
dent on operating
point, etc.).
mode
Software limit
The operating range (specified by software limit switches) is automatically
switches
monitored after synchronization is recorded.
Process interrupts Process interrupts are triggered by such events as:
Process interrupts are selected by way of machine data.
Block sequence
Automatic processing of a traversing program, including subprograms
control
created during the parameterization process. A number of traversing pro-
grams are available for execution on the module.
Diagnostics and Startup and ongoing operation of the module are monitored by fault and diag-
troubleshooting
nostic interrupts. Faults or errors are reported to the system and displayed by
the LEDs on the module.
Data storage on
Parameterization data (machine data, tool compensation data, traversing pro-
the FM 354
grams and increment sizes) is retained in storage on the FM 354.
1-12
Reference-point switches
Switches for external starting
Touch probes
Position reached, Stop ("PEH")
Forward/backward rotation
Position reached
Length measurement completed
On-the-fly block change
Inprocess measurement
FM 354 Servo Drive Positioning Module