Function description
Operating Manual PMCprotego S2-2(-C)
1002529-EN-04
16
4.2.2
Outputs
4.2.2.1
Single-pole outputs
Safe, single-pole outputs signal the status of the activated safety functions and the safety
card's state of readiness.
Outputs with fixed assignment:
}
STO Acknowledge
–
1: Power element switched off
– Internal error on servo amplifier or safety card
– Limit values exceeded
– Activated via SS1
–
0: Drive in closed loop operation
}
Ready
–
1: Safety card is ready for operation
–
0: Safety card is not ready for operation. Possible causes:
– Safety card is starting up
– No supply voltage
– Major internal error
– Error on the feedback output "STO Acknowledge"
INFORMATION
"Ready" is a second feedback channel for the safety function STO. The
"Ready" output switches off if a problem occurs at the feedback signal "STO
Acknowledge".
The single-pole digital outputs O0 … O3 signal the status of the safety functions. Outputs
are assigned to the signals in the safety card's Configurator. The following signals are avail-
able:
}
SSA Safe Standstill Acknowledge
–
1: Motor is within the permitted limit values for standstill.
–
0: Standstill monitoring is inactive or motor is outside the standstill range
}
SDA Safe Direction Acknowledge
–
1: Drive is moving in the permitted direction.
–
0: Drive is not moving in the permitted direction or monitoring is not activated.
}
SRA Safe Range Acknowledge
–
1: Drive is moving within the permitted limit values for speed or position.
–
0: Drive is moving outside the permitted limit values for speed or position, or monit-
oring is not activated.
