Siemens SIMATIC NET SCALANCE W788-x - Page 71

Technical specifications
9.2 SCALANCE W7x8-2
SCALANCE W788-x / W748-1
Operating Instructions, 03/2022, A5E03678333-17
71
Technical specifications
Wireless interface
IWLAN interface
Quantity
2
Antenna connector
Quantity
6
Design
RJ-45 variants
R-SMA female
M12 variants
N Connect, female
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
Non EEC
variants
19.2 to 28.8 VDC
EEC variants
16.8... 31.2 VDC (UL approvals only valid
for 19.2 ... 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
15 W
Digital input
Quantity
1
Design
Terminal block, 2 terminals
Status "0"
13 ... 30 VDC
Status "1"
-30 to 3 VDC
Max. input current
8 mA
Max. cable length
30 m
Properties
Inputs isolated from electronics.