1771-OBD 1771OBD AB AB 16 Point Digital Output Module

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Product Details

The AB 1771-OBD module is a DC output module that has 16 outputs. It is located on AB 1771-A1B and 1771-A4B I/O chassis, and its user supply voltage can range from 10 to 60 Volts of DC power. With a current rating of 2 Amps per output of resistive current and of 0.2 Amps per output pilot duty current, the nominal on-state output voltage of the 1771-OBD module is 48 Volts DC. It has a maximum surge current of 4 Amps per output for 10 milliseconds, which is repeatable every 2 seconds. The 1771-OBD module has a minimal load current of 2.5 mA, and its maximum on-state voltage drop is 1.5 Volts DC while its maximum off-state leakage current is .5 mA.

The maximum power dissipation of the 1771-OBD module is 15.6 W, its maximum thermal dissipation is 53.3 BTU/hour, and its maximum backplane current is 400 mA at 5 Volts DC. Connecting or disconnecting a cable without first cutting off the power from the sides of the field can cause an electrical arc. With an operating temperature range of 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit), a storage temperature range of -40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit), and a relative humidity range of 5 to 95% (without condensation), this module is a durable device that can withstand many different conditions. The 1771-OBD has an operating shock of 30 G (3-pulse at 11 milliseconds) and a nonoperating shock of 50 G (3-pulse at 11 milliseconds). Additionally, the 1771-OBD has an ESD immunity of 4 kV contact discharges and 8 kV air discharges.

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5. Warranty time is one year.
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