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1.5 Product Overview
The Advanced safety option board is intended to be used for implementing safety functions according to application needs. The
option board is intended to be used with the OPTAF STO option board to implement the safety functions and features in VACON
®
NX drives.
The safety functions available with the Advanced safety option board (according to EN IEC 61800-5-2)
Safe Torque Off (STO)
Safe Stop 1 (SS1)
Safe Stop 2 (SS2)
Safe Operating Stop (SOS)
Safe Brake Control (SBC)
Safe Limited Speed (SLS)
Safe Speed Range (SSR)
Safe Speed Monitor (SSM)
The manufacturer-specific safety functions
Safe Maximum Speed (SMS)
Safe Quick Stop (SQS)
For more information on the safety functions, see chapter Safety functions.
The safe fieldbuses supported by the option board
PROFIsafe communication over PROFIBUS
PROFIsafe communication over PROFINET
Communication over PROFIsafe is implemented according to the PROFIdrive on PROFIsafe amendment.
W A R N I N G
DESIGNING OF SAFETY SYSTEMS
Designing a safety-related system incorrectly could result in death or serious injury.
The designing of safety-related systems requires special knowledge and skills.
Only qualified persons are permitted to install and set up the product.
W A R N I N G
RISK ASSESSMENT OF A SAFETY SYSTEM
The use of safety functions provided by the Advanced Safety Option does not in itself ensure safety.
To make sure that the commissioned system is safe, you must make an overall risk assessment.
Safety devices like the Advanced safety option board must be correctly incorporated into the entire system.
The entire system must be designed in compliance with all relevant standards within the field of industry. Standards such as
EN 12100 Part 1, Part 2, and ISO 14121-1 provide methods for designing safe machinery and for making a risk assessment.
C A U T I O N
PROTECTION AGAINST CONTAMINATION
For the product to work properly, it must be protected against conductive dust and contaminants.
For example, install the Advanced Safety Option board in at least an IP54 enclosure.
N O T I C E
This guide provides information on the use of the safety functions that the Advanced Safety Option provides. This information is
in compliance with accepted practice and regulations at the time of writing. However, the product/system designer is responsi-
ble for making sure that the system is safe and in compliance with relevant regulations.
AQ319736045637en-000101 / DPD01798 | 15Danfoss A/S © 2021.06
Introduction
VACON® NXP Advanced Safety Options
Operating Guide
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