The X-BUS interface connects expanders and keypads to the SPC controller. The X-BUS can be wired in a number of different configurations, depending on the installation requirements.
The following table lists the cable types and distances recommended:
| Maximum cable length = (number of expanders and keypads in the system) x (maximum cable distance for each cable type) |
|
Cable Type |
Distance |
|---|---|
|
CQR Standard Alarm Cable |
200m |
|
UTP Cat-5 Solid core |
400m |
|
Belden 9829 |
400m |
|
IYSTY 2x2x0.6(min) |
400m |
The following diagram shows an example of wiring the X-BUS:
|
Number |
Description |
|---|---|
|
1 |
SPCP355.300 Smart PSU outputs |
|
2 |
SPC Controller |
|
3 |
SPCP355.300 Input/Output expander |
|
4 |
Next expander |
|
5 |
Next expander |