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VACON® NXP Advanced Safety Options
Installation Guide
2 General information
2.1 Requirements
Table 2: Required Drive Component Versions
Component
The control board of VACON
The STO and ATEX option board (OPTAF)
Table 3: The PC Tools that Can Be Used with the Option Board
PC tool
Version
NCDrive
2.0.29 or newer
VACON
Loader
1.1.12.0 or newer
®
VACON
Safe
1.0.2.0 or newer
®
2.2 Safety Levels of the Advanced Safety Option Board
•
Safety integrity level: SIL 3
•
Performance level: PL e
•
Category: Cat 4
2.3 Using the Advanced Safety Option Board
The Advanced safety option board is used to implement safety functions in accordance with the standard EN IEC 61800-5-2. The
option board handles the safe I/O and the monitoring of active safety functions. The option board does not handle the control of
the AC drive. The AC drive can be controlled, for example, with the drive application, or the external process control system can give
the speed reference to the AC drive.
The Advanced safety option board must be used with a subsystem that provides the STO function, it is not possible to use the
Advanced safety option board alone. The STO function is provided, for example, by the OPTAF STO option board. To use the safety
functions that do speed monitoring, an external speed sensor is necessary. The sensor can be a digital or an analog encoder or a
digital proximity sensor.
When using a safe fieldbus, install an option board that supports the fieldbus.
The
Illustration 4
shows the configuration of the AC drive with the Advanced safety option board in slot C. The safe fieldbus and the
closed-loop control are optional. The possible configuration and available features can depend on other option boards and their
installation slots.
8 | Danfoss A/S © 2021.08
Version
NXP AC drive
Hardware: VB00761 B (141L8026) or newer
®
Software: NXP00002V198 or newer
Hardware: VB00328 E (141L7786) or newer
Comment
Older versions than this can be used, but they do not show correctly the details of safety
related faults.
The tool is used to update the option board firmware.
The tool is used to parameterize and monitor the option board.
General information
Comment
Check the safety levels of STO in the
product manual.
AN384043247178en-000101 / DPD01919
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