8VZZ000851L325 ABB H&B Contronic

8VZZ000851L325    ABB H&B Contronic    

The comprehensive description for this central unit is located in volume 5. Brief description

The central unit PCZB works either as

● Bus master in the dezentralized automation systemABB Procontic CS 31 or as

● Slave (remote processor) in the dezentralized auto-mation system ABB Procontic CS 31 or as 

● Stand-alone central unit.

Main features :

● Power supply

24 VDC or 120 VAC or 230 VAC (3 versions)

● 12 binary inputs (one of them is a high-speed input)

● 8 binary relay outputs

● 1 integrated high-speed counter

● 1 CS 31 system bus interface for system expansion

● Serial interface COM1, EIA-232, for programming

● Real-time clock

● LEDs for displaying of the input and output signals aswell as error messages and the RUN operating condition.

● Fastening by inserting in the plug-in base ECZ. Theplug-in base can either be snapped on a DIN rail or fastened by screws.

● Built-in lithium battery for back-up of the RAM contents,its lifetime is 10 years.

● RUN/STOP switch for starting and aborting the pro-gram execution.

● Diagnosis functions.

● Programming with the programming software :907 PC 29

● User program containing max. 2 k instructions.

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