FC 300 Design Guide
How to Install
" Safe Stop Installation
To carry out an installation of a C ategory 0 Stop
(EN60204) in conformance with Safety Category
3 (EN954-1), follow these instructions:
1. Thebridge(jumper)betweenTerminal37
and24VDCofFC302mustberemoved.
Cutting or breaking the jumper is not sufficient.
Remove it entirely to avoid short-circuiting.
See jumper on illustration.
2. Connect terminal 37 to 24 V DC by a
short circuit-protected cable. The 24 V DC
voltage s upply must be i nterruptible by an
EN954-1 Category 3 circuit int errupt device.
If the interrupt device and the adjustable
frequency drive are placed in the same
installation panel, you can use a regular
cable instead of a protected one.
3. The FC 302 must be placed in an IP 54 enclosure.
Bridge jumper between term inal 37 and 24 VDC.
The illustration below shows a Stop ping Category 0 (EN 60204-1) with safety Cat. 3 (EN
954-1). The circuit interrupt is caused b
y an opening door contact. The illustration also
shows how to connect a non-safety-related hardware coast.
Illustration of the essential aspects of an installation to achieve a Stopping Category 0 (EN
60204-1) w
ith s afety Cat. 3 (EN 954-1).
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MG.33.B3.22 - VLT is a registered Danfoss trademark
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