Danfoss VLT FC 103 Operating Instructions Manual - Page 9

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Installation

3 Installation

See chapter 2 Safety for general safety instructions.

For motor connection, AC mains connection, and control

wiring, follow the instructions for safe installation in the

Operating Instructions of the frequency converter.

For installation with the Ex-certified Thermistor Module

MCB 112, see chapter 3.3 Installation in Combination with

Thermistor Module MCB 112.

Enable the integrated Safe Torque Off as follows:

Remove the jumper wire between control

terminals 37 and 12 or 13. Cutting or breaking

the jumper is not sufficient to avoid short-

circuiting. (See jumper on Illustration 3.1)

Illustration 3.1 Jumper between Terminal 12/13 (24 V) and 37

Connect an external safety monitoring relay via a

NO safety function to terminal 37 (Safe Torque

Off) and either terminal 12 or 13 (24 V DC).

Follow the installation instructions for the safety

monitoring relay, and ensure that the safety

monitoring relay comply with Category 3 /PL "d"

(ISO 13849-1) or SIL 2 (EN 62061 and IEC 61508).

VLT

Frequency Converters - Safe Torque Off Operating Instructions

Safety relay (cat. 3, PL d or SIL2

Emergency stop button

Reset button

Short-circuit protected cable (if not inside installation IP54

cabinet). See ISO 13849-2 Table D.4 for further information.

Illustration 3.2 Installation to Achieve a Stop Category 0 (EN

60204-1) with Safety Cat. 3/PL "d" (ISO 13849-1) or SIL 2 (EN

62061 and IEC 61508).

MG37D102 - Rev. 2013-11-15

Complete wiring according to the instructions

given in the Operating Instructions of the

frequency converter.