H1750 Digital I/O Board


The H1750 digital input/output board contains 24 digital input/output bits. The input or output direction of each digital bit is user-selectable and may be set individually or all at once.

The H1750 series board level digital I/O products provide direct interface to industry standard mounting racks and solid-state relay I/O modules. Mounting racks such as the PB16 and G4PB24 can be controlled directly with the H1750 boards.

The status of up to 24 digital inputs and control outputs are communicated to any host serial port in ASCII using jumper-selectable RS-232 or RS-485.

Two versions are available. The H1750-1 contains a 50-pin ribbon connector mounted on the bottom of the PC board. The H1750-2 contains a male 50-pin ribbon connector mounted on the top of the PC board.

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Additional information

Dimensions 4.6 × 4 in

• Jumper selectable RS-232 or RS-485 output.
• User can define any bit as an input or an output.
• Inputs/Outputs can be read/set individually or in parallel.
• Input voltage levels: 0-10V without damage.
• Input switching levels: High, 3.5V min., Low, 1.0V max.
• Outputs: 0-10V, 15mA max. load.
• Power requirements: +5Vdc ±0.25V @ 30mA max. (not including I/O module requirements)

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