User manual

Utility-band BPSK 6.0 kbps PLM PICtail™ Plus Daughter Board User’s Guide
DS75019A-page 12 © 2011 Microchip Technology Inc.
FIGURE 1-3: SIGNAL COUPLER DEVICE
For domestic applications a signal coupler, such as Smarthome™ SignaLinc
Model-4816B2, can be plugged into the nearest 220V outlet (typically used for heaters
and dryers) as illustrated by Example 1 in Figure 1-4. For application scenarios where
a cross-phase 220V outlet is not available, a wire-in type of phase coupler device, such
as Smarthome™ SignaLinc V2 Passive Coupler, will have to be used at the circuit
breaker panel as illustrated by Example 2 in Figure 1-4.
18 μH
(1)
Signal Coupler
To power line
Phase 1
(2)
Phase 2
(2)
To power line
0.33 μF
Note 1: Optional.
2: Phases can be interchanged.
WARNING
SHOCK HAZARD – The signal coupler might be charged to the line voltage even after it
is disconnected from the power line. Please discharge the capacitor by shorting the
signal coupler terminals before handling or disassembling the signal coupler.