| SPECIFICATIONS
for S9576 |
|
General |
|
|
CE conforms to EMC
Directive 89/336/EEC amended by 93/68/EEC, and also
with the Low Voltage Directive 72/23/EEC |
| Safety: |
|
|
EN60950 |
| EMC emissions: |
|
|
EN55022:1995 Class A |
| EMC immunity: |
|
|
EN50082-2 Industrial environment |
| Operating
temperature: |
|
0 to +60°C |
| Storage: |
|
|
–40 to +85°C |
| Supply voltage: |
|
|
24V nominal:
10-36V dc /
8-24V ac 47-63Hz |
| Input power: |
|
|
4 watts |
| Isolation: |
|
|
Individual transformer
isolation on each ALIN port; note
that the cable screens should be connected to chassis via
shielded connector to ensure EMC conformance |
|
|
Node capacity and cable lengths |
| |
Cable |
Connector |
Length/Segment |
Notes |
| Twisted-pair bus: |
Cat 5 (shielded) |
RJ45 |
100m |
16 nodes max
(No active hubs) |
| Twisted -pair bus |
Cat 5 (shielded) |
RJ45 |
122m |
8 nodes max per
segment with active hubs |
| Glass
fibre-optic: |
50/1251 |
ST |
915m |
Point
to point pair |
| |
62.5/125 |
ST |
1825m |
Point to point pair |
| |
100/140 |
ST |
2740m |
Point
to point pair |
|
| Note: |
1. |
|
62.5/125 cable generally preferred |
|
|
Basic ALIN specifications |
| Data rate: |
|
|
2.5Mb/s |
| Access method: |
|
|
Token passing |
| Max node
addresses/network: |
|
254 |
| Max electrical
nodes per segment: |
|
8 |
| Max distance: |
|
|
6700m approx
(with fiber-optic cable and repeaters assuming extended
timeouts are not used) |
| Note: The total
combined transmission distance using fiber-optic cable and
multiple hubs
depends on the signal propagation delay along the
transmission media. |
|
|
Propagation delays |
| Max one-way delay
for
ALIN segment: |
|
31μs |
| Active hub: |
|
|
320ns |
| Cat 5 cable: |
|
|
5.7ns/m |
| Fibre-optic
cable: |
|
|
5ns/m |
