The URCA6I  is functional equivalent of the MDAC6OP module. It is designed for controllers with initial polarization of analog input (e.g. EXCEL series). Through optical isolated binary inputs, the module converts six digital signals to one analog signal 0 - 10V. Output signal is generated by applying voltage to XA and XB contacts, according to the formula:

where:
	for x=1 ÷ 6
	| U X(A,B) | > 6V DC	}	=> dX=1
	U X(A,B)  >15V AC
	| U X(A,B) | < 3V DC	}	=> dX=0
	U X(A,B)  < 3V AC
LED diodes indicate states of digital inputs.
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