Danfoss VLT Safety Option MCB 150 User Manual

Table 9: Connector Pin Assignment, VLT® Safety Option MCB 151
Y31 Pin Name Description
1 2 3 4 5 6 7 8 9 10 11 12
e30bc315.11
1 DI1 A Digital input 1 A channel
2 GND Digital GND
3 DI1 B Digital input 1 B channel
4 ENC A Encoder channel A
5 DI2 A Digital input 2 A channel
6 GND Digital GND
7 ENC B Encoder channel B
8 DI2 B Digital Input 2 B channel
9 GND Digital GND
10 24 V Power output
11 GND Supply GND
12 S37 STO enable
e30bc326.12
MCB 151
Safe Option
SW. ver. xx. xx
Option B
130B3290
LED:
1
2
3
4
HTL Enc.
interface
Y31/
DI1 A
GND
DI1 B
ENC A DI2 A
ENC B DI2 B
24V
GND
S37
1
2
3
4
5 6
7
8
9
10
11 12
GND
GND
Illustration 24: Nameplate MCB 151
4.2 Encoder
4.2.1 Allowed Encoder Cable Length
The allowed cable length depends on the selected encoder. The longest cable can be achieved when using bipolar TTL encoders.
Unipolar HTL encoders only allow a shorter length. In this case, the encoder power supply voltage plays a decisive role. The maximum
cable length for HTL encoders used as unipolar encoder (in this case only 1 signal is evaluated) is 100 m (328 ft).
The maximum cable length for TTL encoders used as bipolar encoder (in this case both signals A/nA or B/nB) is 150 m (492 ft).
The minimum cross-section of the power supply conductor is 0.75 mm
2
(18 AWG).
Installation
Installation Guide | VLT® Safety Option MCB 150/151
AQ279747441421en-000101 / 130R0292
44 | Danfoss A/S © 2018.09

Danfoss VLT Safety Option MCB 150 Specifications

General

Brand	Danfoss
Model	VLT Safety Option MCB 150
Category	Control Unit
Language	English