Installation, connection, commissioning, removal
5.3 Installing and connecting up
CP 343-1 Lean
Equipment Manual, 01/2023, C79000−G8976−C198−09
37
Open equipment
The devices are "open equipment" acc. to the standard IEC 61010-2-201 or UL 61010-2-201
/ CSA C22.2 No. 61010-2-201. To fulfill requirements for safe operation with regard to
mechanical stability, flame retardation, stability, and protection against contact, the
following alternative types of installation are specified:
• Installation in a suitable cabinet.
• Installation in a suitable enclosure.
• Installation in a suitably equipped, enclosed control room.
Power supply
The device is designed for operation with a directly connectable safety extra low voltage
(SELV) from a limited power source (LPS).
The power supply therefore needs to meet at least one of the following conditions:
• Only safety extra low voltage (SELV) with limited power source (LPS) complying with IEC
60950-1 / EN 60950-1 / VDE 0805-1 or IEC 62368-1 / EN 62368-1 / VDE 62368-1 may be
connected to the power supply terminals.
• The power supply unit for the device must meet NEC Class 2 according to the National
Electrical Code (r) (ANSI / NFPA 70).
If the equipment is connected to a redundant power supply (two separate power supplies),
both must meet these requirements.
Pulling/plugging the CP when the power is on is not permitted.
You should also remember that by removing a module from the rack, all modules on the
other side of it will be disconnected from the CPU.
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