IAI America PCON-CFA - Manual (Page 74)

3. SCON-CA/CF
A
68
3.5 I/O Signal Timings
The maximum response time after a given control signal is turned ON to operate the ROBO Cylinder using the
PLC’s sequence program, until a response (status) signal is turned, is expressed by the formula below:
Maximum response time (msec) = Yt + Xt + 2 + Command processing time (operation time, etc.)
Yt: Master station
o slave station transmission delay time
Xt: Slave station
o master station delay time
For the master station
o slave station transmission delay time (Yt) and slave station o master station delay time
(Xt), refer to the operation manuals for the PROFIBUS-DP master unit and the PLC in which the master unit is
installed.
Field network transmission delay time
Command
processing time
PLC sequence program
Control signal
Status signal
ACON, PCON
Control signal
Status signal
Master station o slave
station transmission
delay time (Yt)
Slave station
o master
station delay time (Xt)