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Control unit WBox_R

This control unit is used for connection into the WIS access system. Its construction makes it designated for installation into the lower ceiling with an ability to connect two reading units. It supports the WIEGAND, I2C or RS 232 interfaces of the connected reading units. It is equipped with a controlling microprocessor x51 and two subordinate processors  which ensure communication with external reader heads. When it comes to operation, it can work in an online mode, with the ability to switch offline in case communication problems appear. 

Versions of the control unit WBox_R

WBox_R WBox_R_IP65
WIST0212 Control unit WBox_R Aluminium cover
WIST0212A Control unit WBox_R IP 65  Plastic cover, IP 65 box 
Technical parameters 
Dimensions 195 mm x 150 mm x 80.3 mm
Weight 400 g
Voltage/Power supply 9-14V DC
Max. consumption 150 mA
Data memory SRAM 128 kB backed up by internal battery
Galvanic separation Only bus RS 485
Communication interface RS 485 / RS 232
Signalization 2x LED, 1x Buzzer
Number of all or nothing relays 2
Type of contacts  Choice between NO or  NC
Max. switching power 50 W
Max. switched current 1 A DC 
Inputs 4
Number of reading heads 1 or 2
Interface of connected reading heads I2C, WIEGAND, RS 232
Display no
Range of working temperatures -25, +50ºC
IP coverage IP 41, option to additionally purchase IP 65 version


The control unit contains predefined inputs and outputs. Their function is apparent from the connector description J7. The active state of the inputs is given by the configuration of the control unit, and configuration can only be done from the configuration utility. 

While using the outputs (relay contacts) and controlling the charge of an inductive character the contacts must be connected correctly to the control unit. The positive pole of the controlled charge always must be connected to the NO or NC contacts. While controlling the electromagnetic locks the safety diode must be connected in reverse direction. 


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