User Manual

C. Technical appendix
C−3
Festo P.BE−SPC200−EN en 0901d
C.1 Sequence plans for the programmer
The following sequence plans will support you in program
ming a higher−order PLC/IPC. They show you how to:
 create readiness to operate
 start NC records in Record Select mode
 start NC programs in Start/Stop mode
 quit fault.
The signal names are printed in upper−case letters.
For example: READY stands for READY signal, 1 stands
for
1−signal, 0 stands for 0−signal.
C.1.1 Creating readiness to operate
When the operating voltage is switched on, the SPC200
carries out the initialization and self−test of the connected
modules. This initialization phase can take a certain amount
of time (max. 10 seconds), depending on the equipment fitted
on the system.
Please note
During this initialization phase no further rising signal edge
may be created at the Start/Reset input.
After the initialization phase there may be a fault (e.g. hard
ware fault) even if the READY output supplies a 1−signal for a
brief period. Therefore when the 1−signal is first recognized at
the READY output,
you must wait another ţ 100 ms. The sig
nal at the READY output must then be scanned again for a
1−signal (see sequence plan Create readiness to operate").