8VZZ000850L325 ABB H&B Contronic
The central unit UCZA an UCZB work as bus master in the decentralized automation system ABB Procontic CS 31.
The units is provided in three versions with supply voltages of 24 VDC, 120 VAC or 230 VAC.
The central unit versions have the following main features : ● 1 CS 31 system bus interface for system expansion. A coupler SCZ allows an expansion to an other CS 31 bus.
● 1 serial interface COM1
– is set as programming interface
– can be set as an ASCII interface for connecting periph-eral devices (e.g MMC devices)
● 1 serial interface COM2
For diagnosis and configuration
Real time clock
Leds for displaying the operating and error messages.
Programming with the programming software 907 PC 32.
User program containing max. 8 k instruction for UCZA and 16 k instruction for UCZB.
Fastening by screws or by snapping for starting or aborting the program execution.
Extensive diagnosis functions
– self-diagnosis of the central unit
– diagnosis of the ABB Procontic CS 31 and connectedremote units.
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