Specifications

5-21
SPS IDNet Wiring
,
Continued
To connect addressable devices/detectors to the SPS IDNet using Class A wiring, read the
following instructions.
1. Ferrite beads are required on the SPS IDNet cables (refer Figure 5.1).
2. Route wire from the B+, B- outputs on TB1 of the SPS to the appropriate inputs
on a peripheral IDNet device.
3. Route wire from the first IDNet device to the next one. Repeat for each device.
4. Route wire from the last IDNet device to the A+ and A- inputs on TB1 of the
SPS.
{xe "wiring: Class A (IDNet)"}{xe "Class A wiring: IDNet"}{xe "IDNet: wiring (Class
A)"}{xe "remote power supply (RPS): wiring, (IDNet Class A)"}{xe "system power
supply (SPS): wiring (IDNet Class A)"}
B+ B- SHLD
IDNet
A+
P1
3
2
1
A-
IDNet
DEVICE
IDNet
DEVICE
IDNet
DEVICE
IDNet LOOP
(CLASS A / STYLE G)
Figure 5-11. Class A (loop) Wiring
Continued on next page
Class A (loop)
Wiring
IDNet
DEVICE
IDNet
DEVICE
IDNet
DEVICE
Ferrite beads
required.