Safety Sockets - Festo Micromaster 420 Instrucciones De Montaje

6 Safety sockets

Unless otherwise indicated in the technical data, the following color coding applies for supply and signal
connections on components of the Festo Didactic Automation and Technology Learning System.
Color Meaning
Voltage greater than SELV
e.g. line voltage of 90 to 400 V AC per conductor
(grey)
Neutral conductor
(gray-blue)
PE conductor
(green-yellow)
The specified protection class and safe use can only be ensured if laboratory safety cables supplied by Festo
Didactic are used.
The protective grounding terminal is designed as PE+ contact. This connection provides a low-impedance,
safe protective grounding conductor connection. The mechanically incompatible connection prevents a
connection error with a 4 mm laboratory cable.
The operator bears the responsibility for any removal of this adapter. The adapter can be unscrewed with a
1.5 mm Allen key. The locking mechanism is located in the drill hole of the adapter. Unscrew the screw in
clockwise direction.
© Festo Didactic 8036953
Color Meaning
24 V DC
(red)
0 V DC
(blue)
Safety extra-low voltage,
signal input/output
(black)
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