STO
–
Safe Torque OFF
Introduction
Operating Manual Rev. 1.3
www.engelantriebe.de
page 4
1
Introduction
This document is intended solely for the description and intended use of the Safe Torque Off (STO) safety function in
accordance with EN 61800-5-2, which is available via an optional "STO module" in the integrated drives of the HFI series.
The separately available operating manual for the HFI series of integrated drives further describes their complete features
and functionalities.
2
Symbols used in this document
Symbol Signal Word Meaning
Attention!
This symbol highlights safety and warning notices.
Non-observance can result in personal injury and/or damage to property.
Note!
This symbol highlights notes to be observed.
3
List of available integrated drives with STO function
The Safe Torque Off (STO) safety function is certified and available for the integrated drives of the HFI series from ENGEL
Elektroantriebe GmbH. The STO models are equipped with an additional hardware module for this purpose and bear the
„S‟ in their type
designation.
The following basic devices, optionally expandable with fieldbus interfaces, gearboxes and parking brakes, are available
with the STO safety function:
Basic Device
Part Number
*1)
Description
HFI2230-S200
8822312
xxx
Basic Device HFI2230, 24V Version
HFI2230-S400
8822314
xxx
Basic Device HFI2230, 48V Version
HFI2260-S200
8822612
xxx
Basic Device HFI2260, 24V Version
HFI2260-S400
8822614
xxx
Basic Device HFI2260, 48V Version
HFI2630-S200
8826312
xxx
Basic Device HFI2630, 24V Version
HFI2630-S400
8826314
xxx
Basic Device HFI2630, 48V Version
HFI2660-S200
8826612
xxx
Basic Device HFI2660, 24V Version
HFI2660-S400
8826614
xxx
Basic Device HFI2660, 48V Version
HFI3260-S200
8832612
xxx
Basic Device HFI3260, 24V Version
HFI3260-S400
8832614
xxx
Basic Device HFI3260, 48V Version
HFI3290-S400
8832914
xxx
Basic Device HFI3290, 48V Version
HFI3760-S400
8837614
xxx
Basic Device HFI3760, 48V Version
HFI3790-S400
8837914
xxx
Basic Device HFI3790, 48V Version
*1)
"xxx"
is a placeholder for the expansion options that a basic device is equipped with.
