Siemens SCALANCE W748-1, Руководство по эксплуатации

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Technical specifications
7.1 Technical specifications of the SCALANCE W7x8-1)
SCALANCE W788-x / W748-1
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Operating Instructions, 09/2017, A5E03678333-12
Technical specifications
Permitted cable lengths
(Ethernet)
(Alternative combinations per length range)
IE TP torsion cable
0 ... 55 m
0 ... 45 m + 10 m TP cord
IE FC TP marine cable
IE FC TP trailing cable
IE FC TP flexible cable
IE FC TP FRNC cable
IE FC TP festoon cable
IE FC TP food cable 0 ... 85 m
0 ... 75 m + 10 m TP cord
IE FC TP standard cable 0 ... 100 m
0 ... 90 m + 10 m TP cord
Wireless interface
IWLAN interface
Quantity 1
Antenna connector Quantity 3
Design RJ-45 variants Terminal block, 4 terminals
M12 variants M12 connectors
Impedance 50 Ω nominal
Frequency range 2412 ... 2480 MHz
4920 ... 5875 MHz
Electrical data
Direct 24 VDC supply
Supply voltage from terminal block/socket 24 VDC Safety Extra Low Voltage (SELV)
Permitted range 19.2 to 28.8 VDC
Design RJ-45 variants Terminal block, 4 terminals
M12 variants M12 connectors
Properties Not electrically isolated
Supply voltage from PoE Supply voltage from terminal block/socket 48 VDC
Permitted range 36 to 57 VDC
Design Via RJ-45 jack
Properties Electrically isolating
Corresponding to IEEE802.3at
Insulation resistance > 2 MOhms
Fusing
2.5 A / 24 VDC
1 A / 48 VDC PoE
Current consumption At 24 VDC / max. 650 mA
Effective power loss At 24 VDC / max. 15.6 W
At 24 VDC / typical 10.7 W
Digital input Quantity 1
Design Terminal block, 2 terminals
Status "0" 13 to 30 VDC
Status "1" -30 to 3 VDC