Sto Safety Function; Performance Features - Cleco mPro300GCD-STO Manual Del Usuario

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EN
9

STO safety function

9.1 Definition
The STO safety function enables the controller mPro300GCD-STO to provide a reliable solution for switching off the
energy supply at the output of the built-in nutrunner.
If several mPro300GCD-STO units are wired in series with STO connector cables, the STO function is guaranteed for the
complete group.
STO = Safe Torque Off. For the currently observed standards, please refer to 4Technical Specifications.
Warning
Risk of electric shock
The STO safety function only provides protection against dangerous movements, not against electric
shock.
 Always comply with the stipulations of the documentation, in particular 2 Safety, Page 6.
 Comply with the documentation for the other components.
 Ensure protection against the built-in nutrunner automatically restarting according to the required safe-

9.2 Performance features

• Reaching the STO safety function
• Potential-free feedback contact for the operating status.
Auxiliary power
supply
24 V
24V 0V
Pin 1
Connection to the previous controller
16
ty category of emergency stop applications, e.g. via an external safety relay.
STMD-H
Galvanic
separation
Connection
XS4
2 4 5 6 8 7 3
STO connection flange
X41 IN
or to a safety relay
Power supply
Gate driver
OS + US
P2552HW | 2021-04
Activation of the
level converter for
gate signals
Pin 4 5 6 8 7 3
STO connection flange
X42 OUT
Termination connector
or
STO cable to the next
controller
Apex Tool Group