Festo Электроцилиндр - Manual (Page 37)

4 Electrical installation
Festo – GDCP-CMMO-ST-EA-SY-EN – 1301a – English 37
4.6 STO [X3]
The STO safety function (“Safe Torque Off ”) is described in detail in the document
GDCP-CMMO-ST-STO-…
The STO function should only be used in the manner described in this document.
Port Pin Function
X3
1 5
1 5
1 +24 V logic Logic voltage output (from X9)
2 STO 1 Channel 1: switch off the supply
voltage
3 STO 2 Channel 2: switch off the supply
voltage
4 Diagnostics 1 The diagnostic contacts are
potential-free.
The diagnostic contact is low
impedance if the STO function has
been requested and activated via
two channels.
5 Diagnostics 2
Tab. 4.6 Connection X3 STO