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4.7 Binary Outputs

As shown in Figure 9, four binary outputs (BO1 – BO4) are available. Each output

requires an external power source. Two types of binary devices can be controlled.

The BASC-20R provides four normally-open form “A” relay contacts that are rated at

30 VAC/VDC and 2 A. The BASC-20T provides isolated triac outputs that can drive

loads up to 30 VAC and 0.5 A.

Each output voltage is applied to point A with respect to point B and is intended for

Class 2 circuits only.

Figure 9 — Binary Output Connections

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 52 53

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