Danfoss VLT Safety Option MCB 150 - Application Examples; Connecting Safe Digital Inputs

4.3 Application Examples
4.3.1 Connecting Safe Digital Inputs
This section contains examples of connecting the fail-safe digital input according to EN ISO 13849-1 and EN IEC 62061. The examples
apply in cases where all components are installed in a control cabinet.
e30bc309.12
A
B
1
10
3
12
11
12
37
20
MCB15x
A 2-channel emergency stop switch B Drive
Illustration 31: Connecting a Sensor, for Example 2-channel Emergency Stop Mushroom Push Button or Limit Switch
e30bc310.12
1
24 V DC
3
12
11
12
37
20
MCB15x
0 V
OSSD 2
OSSD 1
Tx
Rx
A
B
A Drive
Illustration 32: Connecting an Electronic Sensor, for Example Safety Light Curtain
1
3
12
11
12
37
20
MCB15x
e30bc311.12
10
C
B
A
A Actuator
C Drive
B Switch
Illustration 33: Connecting 1 NO/1 NC Sensor, for Example Magnetic Switch
Installation
Installation Guide | VLT® Safety Option MCB 150/151
AQ279747441421en-000101 / 130R0292 | 49
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