Class B Wiring; Figure 7-7. Class B Wiring - Simplex 4100U Installation & Maintenance

SPS IDNet Wiring,

Class B Wiring

Continued
To connect addressable devices/detectors to the SPS IDNet using Class B wiring, read the
following instructions.
1. Under AS1670.1 Class B wiring is allowed only for a maximum of 40
addressable devices.
2. A ferrite bead is required on the SPS IDNet cable.
3. On TB1, jumper B+ to A+, and jumper B- to A-.
4. Route wire (between 0.75 mm
The illustration below shows Class B wiring.
IDNet LINES TO DEVICES
(CLASS B / STYLE 4)
Ferrite bead
required.
2 2
and 4 mm ) from the B+, B-.
3
P1
2
1
B+ B- SHLD A+ A-
IDNet

Figure 7-7. Class B Wiring

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