2
Product description for safety module CAMC-G-S1
20
Festo – GDCP-CAMC-G-S1-EN – 1412b – English
2.4
Time behaviour
Functionally, the STO-A and STO-B inputs are identical. The switch sequence of
STO-A/STO-B is interchangeable across all diagrams.
2.4.1
Basic time behaviour STO
STO-A
Status C1/C2
STO-B
Status LED
CAMC-G-S1
Closed
Open
on
off
1
0
CMMP-AS-…-M3
Display
“Safety status”
(internal)
1
0
T_STO-A/B_OFF
T_C1/C2_ON
T_DRIVE_V
T_STO-A/B_OFF + 10 ms
STO – “Safe Torque Off ” active
“H” – STO reached
Dependent on the
operating status
STO re-
quested
STO reached
“Standard”
“Standard”
T_C1/C2_OFF
T_STO-A/B_ON
T_DRIVE_V
T_STO-A/B_ON + 10 ms
Dependent on the
operating status
STO re-
quested
Fig. 2.3
Basic time behaviour when activating and deactivating the safety function STO
Time
Description
Value
T_STO-A/B_OFF
STO-A/B – Switching time from High to Low
è
T_STO-A/B_ON
STO-A/B – Switching time from Low to High
è
T_C1/C2_ON
C1/2 – Switching time closing
è
T_C1/C2_OFF
C1/2 – Switching time opening
è
T_DRIVE_V
Delay of the CMMP-AS-M3
0 … 10 ms
Tab. 2.5