Chapter 4. WIRING

4-10 Connecting Event Output (relay output)

Event outputs EV1 and EV2 are 1a contact, and event output EV3 is 1a1b. Event outputs are connected on the standard terminal base.

Standard terminal base

Load

Power supply

Load

Power supply

4

5

6

7

EV1 1a

EV2 1a

Contact rating, resistive load 1A (30/250Vdc)

Contact rating, resistive load 1A (30/250Vdc)

Load

Power supply

8

9

10

EV3 1a1b

Contact rating, resistive load 2A (30/250Vdc)

Minimum switching current: 10mA

Handling Precautions

When switching small currents, connect a bleeder resistor to allow current flow of the minimum relay switching input (10mA min.).

4-12

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Image 44
Sonic Alert DCP301 user manual Connecting Event Output relay output