Siemens SCALANCE X-200 Betriebsanleitung Seite 99

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Installation and maintenance
4.2 Connecting
Industrial Ethernet SCALANCE X-100 and SCALANCE X-200 Product Line
4-6 Operating instructions, 09/2006, A5E00349864 Release 7
Warning
The device is designed for operation with safety extra-low voltage. This means that only
safety extra-low voltages (SELV) complying with IEC950/EN60950/ VDE0805 can be
connected to the power supply terminals.
The power supply unit for the device power supply must meet NEC Class 2, as described by
the National Electrical Code(r) (ANSI/NFPA 70).
The power of all connected power supply units must total the equivalent of a power source
with limited power (LPS limited power source).
If the device is connected to a redundant power supply (two separate power supplies), both
must meet these requirements.
The signaling contact can be subjected to a maximum load of 100 mA (safety extra-low
voltage (SELV), 24 V DC).
Never operate the device with AC voltage or DC voltage higher than 32 V DC.
4.2.2 Signaling contact
Signaling contact
The signaling contact (relay contact) is a floating switch with which error/fault states can be
signaled by breaking the contact.
The signaling contact is connected to a 2-pin plug-in terminal block.
Exception:
The signaling contact on the SCALANCE X208PRO is connected using a 5-pin b-coded M12
socket.
Table 4-2 Pin assignment
SCALANCE X-100 and X-200
(except X208PRO)
SCALANCE X208PRO
Pin number Assignment Pin number Assignment
Pin 1 F1 Pin 1 F1
Pin 2 F2 Pin 2 n. c.
- - Pin 3 n. c.
- - Pin 4 F2
- - Pin 5 n. c.
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