Siemens SCALANCE X-400 Operating Instructions Manual page 120

Technical Specifications
Load on the signaling contact
Overcurrent protection at input
Digital Inputs
Dimensions (width x height x depth)
Weight
Power consumption
Memory capacity
Permitted Cable Lengths
TP cable length
Line/star structure
Ring with redundancy manager
Switching Properties
Max. number of learnable addresses
Aging time (default)
Switching procedure
Latency (store and forward time)
120
Interfaces
C-Plug
Cascading Depth
Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
24 V DC / max. 100 mA safety extra-
low voltage (SELV)
Non-replaceable fuse
(F 3.15 A / 250 V)
Input voltage:
• Rated value 24 V DC safety extra-
low voltage (SELV)
• For state "1": + 13 V ...+ 30 V
• For state "0": – 30 V... + 3 V
Max. input current: 8 mA
Max. cable length: 30 m
Inputs isolated from electronics.
24.3 x 17.0 x 8.1 mm
approx. 5 g
0.015 W
32 Mbytes
With TP cord up to 10 m,
with FastConnect cabling system up to
100 m.
Any (only depending on signal propa-
gation time)
50 (for reconfiguration time < 0.3 s)
8000
40 s
Store and forward
5 µs
C79000-G8976-C186-03