1771-ASB remote I/O adapter

elbok

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• Nov 6, 2014

• #1

What does the ASB stand for in 1771-ASB remote I/O adapter?

 

jkerekes

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• Nov 6, 2014

• #2

Why? I know the B stands for Series B. In the PLC2 world there was an AS adapter.

 

elbok

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• Nov 6, 2014

• #3

Someone asked me and I had no answer nor could I find it in Allen-Bradley documentation. Any ideas? I understand the B refers to series.

 

Bit_Bucket_07

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• Nov 6, 2014

• #4

Asynchronous Serial Remote I/O Adapter?

 

jkerekes

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• Nov 6, 2014

• #5

I *think* the B at one time did mean series, but in true AB fashion, then they started using the slashes. Whatever. Does it really matter? The B was to distinguish between it and the really old AS adapters.

 

Ken Roach

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• Nov 6, 2014

• #6

My guess was always that it meant "Adapter, Serial".

The B was definitely to distinguish the second generation adapters from the 1978-vintage 1771-AS.

 

Doug-P

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• Nov 6, 2014

• #7

I'd go with Adapter since it lines up with Adapter DeviceNet - ADN