Installation; Installing The Safety Option; Requirements For Safe Use; Protected Cable Installation - Danfoss VLT MCB 150 Operating Instructions Manual

Installation

4 Installation

4.1 Installing the Safety Option

WARNING
Before start, disconnect the power supply voltage to the
frequency converter. Never install an option card into
the frequency converter during operation.
Ensure that all dangerous voltages connected from
external control circuits to the inputs and outputs of the
frequency converter are switched off. In addition to
conventional installation tools, have the Operating
®
Instructions for VLT AutomationDrive FC 301/FC 302
and MCT 10 Set-up Software available as they contain
important information that is not included in this
manual.
The safety option is exclusively intended for use in
option slot B. The mounting position of B options is
shown in Illustration 4.1.
WARNING
ELECTRICAL HAZARD!
Safe Stop activation (Safe Torque Off) does not provide
electrical safety. The safety device connected to the dual
pole input of the safety option must fulfill the
requirements safety level for the application for
interrupting the voltage/current to safety option. This is
also valid for the connections between the safety
option's safe output S37 and terminal T37 on the
frequency converter. To connect the safety device
correctly to the safety option, read and follow the
instructions.

4.1.1 Requirements for Safe Use

CAUTION
Ensure that the installation and wiring are EMC-
compliant to avoid personal injury and damage to the
product.
Refer to the guidelines stated in this manual.
Also ensure compliance with
•
®
VLT AutomationDrive FC 301/FC 302 Operating
Instructions
•
Tool-Tip help for the configuration tool MCT 10
Safe Plug-in
The safety option may only be used with the following
frequency converters
•
®
VLT AutomationDrive FC 302, power sizes from
0.37 kW to 75 kW, from SW Version 6.64
MG34W302
Operating Instructions

4.1.2 Protected Cable Installation

If short circuits and cross circuits can be expected with
safety-related signals and if they are not detected by
upstream devices, protected cable installation is required
as per EN ISO 13849-2.
4.1.3 Installation
CAUTION
The VLT
the connection between output S37 (Y30/12 or Y31/12)
on MCB150/151 and X44/12 on the control card) must be
placed in an IP54 enclosure as per IEC 60529.
These step-by-step instructions describe how to mount the
control cables
A
B
D
Illustration 4.1 How to Fit the Safety Option
1.
2.
Danfoss A/S © Rev. 2014-02-11 All rights reserved.
®
AutomationDrive with safety option (including
A-option slot
B-option slot
D-option slot
Disconnect power to the frequency converter.
Remove the LCP, the terminal cover, and the LCP
frame from the frequency converter.
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