Technical specifications
7.2 Technical specifications of the PE408PoE
Extender for SCALANCE XM-400
48
Operating Instructions, 09/2018, C79000-G8976-C332-08
7.2
Technical specifications of the PE408PoE
The following technical specifications apply to the port extender PE408PoE:
Technical specifications
Attachment to Industrial Ethernet
Electrical connectors
Quantity
8
Connector
RJ-45 jack
Transmission speed
10 / 100 / 1000 Mbps
Electrical data (supply from basic device)
Current consumption
at 24 V DC
200 mA
Effective power loss
at 24 V DC
4.8 W
Electrical specifications of the PoE power supply
Supply connector
Quantity
2
Power supply per connector
Rated voltage
54 V DC
Voltage range
51.3 V DC - 56.7 V DC
Design
Terminal block, 2 terminals
Cable cross-section
•
Minimum
•
Maximum
•
0.75 mm2 (18 AWG)
•
2.5 mm2 (12 AWG)
Property
Not implemented redundantly
Fuse per connector
4 A / 125 V
Current consumption per connector
at 54 V DC
1.75 A
Effective power loss per connector
at 54 V DC
4.5 W
PoE power per connector
at 54 V DC
90 W
Permitted ambient conditions
Ambient temperature/
In areas according to UL508 or CSA
C22.2 No.142: Temperature of the am-
bient air
During operation up to 2000 m
-40 °C to +60 °C
During operation up to 3000 m
-40 °C to +55 °C
During storage
-40 °C to +85 °C
During transportation
-40 °C to +85 °C
Relative humidity
During operation at 25 °C
≤
95 %, no condensation
Design, dimensions and weight
Degree of protection
IP20
Weight
650 g
Dimensions (W x H x D)
70 x 150 x 125 mm
Installation options
•
Installation on a DIN rail
•
Installation on an S7-300 standard rail
•
Installation on an S7-1500 standard rail
Mean time between failure (MTBF)
at 40 °C ambient temperature
33 years
