PiXtend V2 -L- Hardware Manual
6.4.3.Relay outputs
The four line relays (RELAY0 - RELAY3) enable the potential-free switching of direct
current (DC) and alternating current consumers (AC). Each relay has three connections
(change-over contact - SPDT).
Applications
–
115 V / 230 V AC switch
–
Alternating voltages of different voltages and frequencies
–
Speed selection of blowers with two speeds
–
Direct operation of DC or AC drives
–
Fans, blowers, heaters and lighting
–
Large loads with less frequent switching cycles
The universal relay can be used to switch everything, which requires a maximum of 230 V
and 6 A. All switching contacts are potential-free and do not have any conductive contact
with the rest of the PiXtend V2 -L- controller.
LEDs indicate the status of the relays.
Observe the following safety instructions when working with
dangerous voltages (greater than 50 V)!
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Figure 63: Terminal block relays