bout this manual
© 2010 Wieland Electric GmbH | BA000256 | 12/2012 (Rev. I)
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2 About this manual
About this manual
What Does This Manual Describe?
This manual provides an overview of the functionalities of the modular samos safety
system as a safety processing unit for plant and machines. It describes the individual
modules and the way they function together in the system as a whole with safety sensors,
switches and actuators.. As well as the specific configurations of switches and terminals,
the fundamental methods by which the functions work are also explained in detail.
Relevant application examples help you to use samos in practice, especially in hierarchical
safety zones. The manual also includes installation information, instructions and rules that
must be observed, technical data and interface descriptions, error information, error
handling and instructions for risk analysis.
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Who Is This Manual For?
This manual contains the information required for proper use of the devices described in it.
The system and its modules must only be installed by properly qualified personnel. The
applicable national norms and regulations must be observed (in Germany VDE). For that
reason this manual is aimed at technically qualified personnel such as mechanical and
electrical engineers, safety reps, PLC programmers, enclosure makers, electrical fitters,
machine and plant operators, setup staff, and service and maintenance personnel.
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Safety-related Information
The “Caution” symbol is used at various places in this manual.
“Caution” indicates a potentially dangerous situation or state that could – if not avoided –
lead to minor or medium injury. “Caution” is also used to warn against uncertain
operation and potential misuse. “Caution” is also used to indicate situations where
property damage could occur without causing personal injury.
Please observe the following safety rules:
Only trained professional electricians may install, startup, modify, and retrofit this
equipment!
Disconnect supply voltage to the equipment / system prior to starting any work! If
installation or system errors occur, line voltage may be present at the control circuit in
devices without DC isolation!
Observe all electrical safety regulations issued by the appropriate technical authorities or
the trade association.
Opening the housing or any other manipulation will void the warranty.
If the device has been subjected to improper or incorrect use it must no longer be used,
and the guarantee loses its validity. Impermissible conditions include: strong mechanical
stress, for example through a fall, or voltages, currents, temperatures or humidity
outside of the specifications.
Before starting up your machine/plant for the first time, please be sure to check all the
safety functions according to valid regulations, and observe the specified test cycles for
safety equipment.
Take the following safety measures prior to installation, assembly, or disassembly:
Disconnect supply voltage to the equipment / system prior to starting any work!
Lockout/tag the equipment/system to prevent accidental activation!
Confirm that no voltage is present!
Ground the phases and short to ground!
Protect against adjacent live components using guards and barriers!
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