Electric safety
Operation Manual
Safety I/O Terminals
SI4000 / SO4000
Document no.: 5.08009.05
Baumüller Nürnberg GmbH
22
3.10
3.10 Electric safety
The safety control is designed for contamination level 2 in accordance with EN 50178.
This means that only non-conductive contamination may appear during operating time.
Short-term conductivity from condensation is only permissible if the control is not in oper-
ation.
WARNING!
Risk of injury from conductive contaminants!
No conductive contaminants may appear during operating time.
Therefore:
m
Before installing the system, check that contamination degree 2 is not exceeded,
and ensure so by additional measures, if necessary.
3.10.1 Notice on power supply
WARNING!
Risk of injury from electric current!
Only devices which have a safe disconnection to the 230 volt mains may be connect-
ed to the control.
The power supply for generation the 24-volt supply must meet the requirements for
PELV in accordance with EN 50178.
3.11 Safety equipment
WARNING!
Live-threatening danger from inoperable safety equipment!
Safety equipment provides a maximum of safety during operation. Even if the safety
equipment may make work processes more complicated, they may not be put out of
operation under any circumstances. Safety is only ensured if the safety equipment is
intact.
Therefore:
m
Check to make sure that the safety equipment is functional and installed properly
before beginning work.
Summary of Contents for SI4000
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