AS-Bs with 24 I/O points have the following types:
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12 Universal inputs/outputs, Ua type
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4 Universal inputs/outputs, Ub type
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4 Digital inputs
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4 Relay outputs
AS-Bs with 36 I/O points have the following types:
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20 Universal inputs/outputs, Ua type
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8 Universal inputs/outputs, Ub type
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4 Triac outputs
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4 Relay outputs