Danfoss VLT AutomationDrive FC 302

The safety option:
• Activates safety functions on request.
• Sends status information to the safety control system via a connected PROFINET fieldbus.
• Activates the safe state when the option detects faults.
The safety control system:
• Activates safety functions via input on the safety option and/or via the safe fieldbus.
• Evaluates signals from safety devices, such as:
- E-STOP push buttons
- Non-contact magnetic switch
- Interlocking switch
- Light curtain devices
The safety devices are connected to digital inputs of the safety option or digital input of the PLC.
• Provides safe connection between the safety option and a safety control system.
• Provides fault detection on the signal between a safety control system and the safety option at activation of safety functions (short
across contacts, short circuit).
MCA 120
PROFINET
MCB 152
Safety Option
μ C
IGBT
STO
37
M
Safe PLC
E
M
E
R
E
N
C
Y
G
S
T
O
P
Control card
Internal bus 1
Option A
Option B
Internal bus 2
e30bd977.11
Illustration 1: FC 302 with VLT® Safety Option MCB 152 and Fieldbus Option
1.5.2 Unit Features
The safety option has the following features:
Introduction
Installation Guide | VLT®Safety Option MCB 152
AN327351953089en-000101 / 130R0578| 7
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