130BC376.11
A
24V
4
10
11
GND
FC302
MCB151
Illustration 4.9 Y/31 Connecting MCB 151 to Proximity Switch
(only HTL)
NOTICE
The proximity switch cable must be screened and
terminated to chassis at both ends (at the proximity
switch side and at the option side).
>2x S
1
2
3
n
S /2
n
130BC314.10
1
Measuring plate
2
Proximity switch
3
Disc (non conducting material)
Illustration 4.10 Gear Wheel for Proximity Switch
The operating distance S set to half the nominal operating
distance Sn, corresponds approximately to the optimum
conditions with respect to resolution and switching
frequency.
NOTICE
When using PNP proximity switch as encoder feedback,
set
42-14 Feedback Type
to
[1] Without direction info
.
4.3 Application Examples
4.3.1 Connecting Safe Digital Inputs
The following pages contain 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.
130BC309.11
A
B
1
10
3
12
11
12
37
20
MCB15x
A
2-channel emergency stop switch
B
FC 302
Illustration 4.11 Connecting a Sensor, e.g. 2-channel
Emergency Stop Mushroom Push Button or Limit Switch
130BC310.11
1
24 V DC
3
12
11
12
37
20
MCB15x
0 V
OSSD 2
OSSD 1
Tx
Rx
A
A
FC 302
Illustration 4.12 Connecting an Electronic Sensor, e.g. Safety
Light Curtain
Installation
Operating Instructions
MG34W302
Danfoss A/S © Rev. 2014-02-11 All rights reserved.
31
4
4
Summary of Contents for VLT Safety Option MCB 150
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