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7.2 Connecting the voltage supply
The device can be connected to either a 24VDC voltage power supply or to a 80-240 VAC power supply. Make
sure to connect only one power supply. The polarity is irrelevant with both AC and DC power inputs.
Either 80-240 VAC or 24 VDC
Figure 9 Connecting 80-240 VAC Figure 10 Connecting 24 VDC
7.3 Connecting Relays
S300 Series devices are equipped with two dry-contact SPDT (Single Pole Double
Throw) relays. The contacts are labelled as A and B, and the common contact as C.
The relays can be used to power external loads up to 240VAC/5A.
Figure 11 Connecting Relays
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