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Function description
4
Function description
4.1
Overview
The safety card monitors safety functions in accordance with EN 61800-5-2. It monitors
safe motion sequences on drives, which are safely brought to a stop and shut down in the
event of an error.
The safety card is built into a servo amplifier PMCprotego D. This converts the servo ampli-
fier into a safe servo amplifier.
A safe drive system from Pilz consists of the following:
}
Servo amplifier (PMCprotego D)
}
Safety card PMCprotego S built into the servo amplifier
}
Servo motor (synchronous motor) with
–
–
}
Safety control system
Safety control system
PSS
PNOZmulti
...
Safety devices
e.g.
E-STOP
Operating mode
Light grid
Fig.: Safe drive system
Operating Manual PMCprotego S2-2(-C)
1002529-EN-04
Standard encoder system (feedback)
Brake (optional, not safety-related)
PMCprotego S
Digital inputs:
Safety functions
Digital outputs:
Status of safety functions
Operational readiness
24 VDC
Safe servo amplifier PMCprotego DS
Safety card
Start-up
disabler
Configurator
PASconfig SDrive
Servo amplifier
PMCprotego D
Internal
supply voltage
Safe pulse
disabler
Motor
encoder
M3
Motor brake
13
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