The H2U-4ADR remote Analog input block is a high-accuracy analog input block with a resolution of 11 bits and 1 sign bit (for voltage) or 10 bits and 1 sign bit (for current). The analog input can select either voltage or current input mode.

There are 4 input channels available for voltage (0-10V DC) or current (-20~20mA DC) signals.

The analog input area is insulated from the PLC using photocouplers, and the power supply is isolated from the analog input area using a DC/DC converter. However, the channels are not insulated from each other.

The resolution of the product is 5mV (10V x 1/2000) for voltage and 20μA (20mA x 1/1000) for current, with an integrated accuracy of ±1% for the range of -10V to +10V and -20mA to +20mA.

The conversion time for each channel is 15ms (normal speed) or 6ms (high speed), and the block occupies 8 input or output points (which can be either inputs or outputs).

The H2U-4ADR Analog input block can be powered by either DC5V/30mA (internal power supplied from the main unit) or DC24V/55mA (external power supplied from the main unit). Conversion blocks are needed for use with H2U PLCs.