Festo VTSA Manuel De L'utilisateur page 29

VTSA−...−ASI−8E8A−Z
1)
Digital inputs
Assignment of the inputs
Design
Logic level
Reference potential
Response delay
Diagnosis (see section 2)
AS−Interface voltage and address,
watchdog, I/O status
Additional power supply not
applied or undervoltage
1)
The inputs are short−circuit resistant. In the event of a short circuit
the slave will be switched off. The AS−Interface master then regards
this slave as missing. The slave reports back as functioning once the
short circuit has been eliminated.
Festo VTSA−ASI−...−8E8A−Z 0802NH English
8 digital inputs based on
IEC 1131−2 type 2
Slave 1: I0 I3
Slave 2: I4 I7
24 V DC, PNP,
status display (LED)
ON: 11 30 V
OFF: −30 5 V
0 V
typically 3 ms (at 24 V)
LED display
LED display, Peripheral faults
29