A
Technical appendix
Festo – GDCP-CMMP-AS-M0-S1-EN – 1412a – English
37
A.1.3
Electrical data [X40]
Control ports STO-A, 0V-A / STO-B, 0V-B
Nominal voltage
[V]
24 (related to 0V-A/B)
Voltage range
[V]
19.2 … 28.8
Permissible residual ripple
[%]
2 (related to nominal voltage 24 V)
Overvoltage discharge
[V]
31 (disconnect in case of error)
Nominal current
[mA]
20 (typical; maximum 30)
Starting current
[mA]
450 (typical, duration approx. 2 ms; max. 600 at 28.8 V)
Input voltage threshold
Switching on
[V]
Approx. 18
Switching off
[V]
Approx. 12.5
Switching time from High to
Low (STO-A/B_OFF)
[ms]
10 (typical; maximal 20 at 28.8 V)
Switching time from Low to
High (STO-A/B_ON)
[ms]
5 (typical; maximum 7)
Maximum positive test im
pulse length at logic 0
[μs]
300 (related to 24 V nominal voltage and intervals
2 s
between impulses)
Tab. A.5
Technical data: Electrical data for the inputs STO-A and STO-B
Switch-off time to power output stage inactive and maximum tolerance time for test pulse
Input voltage (STO-A/B)
[V]
19
20
21
22
23
24
25
26
27
28
Typical switch-off time
(STO-A/B_OFF)
[ms]
4.0
4.5
5.0
6.0
6.5
7.0
7.5
8.0
8.5
9.5
Maximum tolerance time for
test pulse at 24 V signal
[ms]
2.0
2.0 2.0
2.5
3.0
3.5
4.5
5.0
5.5
6.0
Tab. A.6
Typical switch-off time and minimum tolerance time for test pulse (OSSD signals)
Acknowledgment contact C1, C2
Design
Relay contact, normally open
Max. voltage
[V DC]
30 (overvoltage-proof up to DC 60 V)
Nominal current
[mA]
200 (not short-circuit proof )
Voltage drop
[V]
1
Residual current (contact
open)
[μA]
10
Switching time closing
(T_C1/C2_ON)
[ms]
(STO-A/B_OFF
+ 5 ms)
Switching time opening
(T_C1/C2_OFF)
[ms]
(STO-A/B_ON
1)
STO-A/B_OFF, STO-A/B_ON
è
Tab. A.7
Technical data: Electrical data of the acknowledgment contact C1/C2