Siemens SIMATIC NET SCALANCE W788-x - Page 68

Technical specifications
9.1 SCALANCE W7x8-1
SCALANCE W788-x / W748-1
68 Operating Instructions, 03/2022, A5E03678333-17
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 V DC 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 V DC 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
Max. input current
8 mA
Max. cable length
30 m