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Allen-Bradley 1746-OBP8

  • Brand/ Manufacturer:

    Allen Bradley
  • Dimensions:

    12.7cm* 5.1cm*15.2cm
  • Weight:

  • Country of Origin: :

  • Description:

    High Current Sourcing DC Output Module

Mfr. Part Number:


Manufacturer: Allen-Bradley / Rockwell Automation
Description: Allen-Bradley 1746-OBP8 SLC 500 High Current Output Module 8-Ch, 24VDC 2A
Full Description: Allen-Bradley 1746-OBP8 SLC 500 Digital Output Module, 8-Point (4 Points/Group), 24V DC Source (20.4-26.4V DC), 2.0A/each, for High-Current DC Source Output Applications


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The Allen-Bradley 1746-OBP8 is a SLC 500 Digital DC Output Module. 

This Digital DC Output Module has Eight (8) channels with an output Voltage Range of 20.4-26.4 Volts DC in Sourcing configuration. It may be installed in a SLC 500 fixed or modular style hardware.

"The 1746-OBP8 is an Eight (8) channel output module which has lower number of output channels compared to the 1746-OBP16. The 1746-OBP16 is also included with an internal fuse. The 1746-OBP8 is ideal for high-current applications as it has higher Current output rating compared to the 1746-OBP16. "

The Allen-Bradley 1746-OBP8 is an SLC 500 digital I/O module. This output module is a fast turn-off module with Eight (8) output points available and with each group having 4 points. The 1746-OBP8 module is a 24V DC source, high current digital DC output module that has e-fuse LED indicators that allow you to monitor its current state. It is ideal for use with programmable controllers with high current output applications. This module has an open-type enclosure and is mounted via the chassis.

This 1746-OBP8 module is a current sourcing output module that has a power dissipation of 0.3 W and a surge current of 4 A for 10 ms. It has an operating voltage range of 20.4-26.4V DC source and a backplane current consumption of 0.135 A at 5 V DC. Maximum off-state leakage and minimum load current are both 1 mA each. This module has a 2 A continuous current per point at 0-60 deg. Celsius and an 8 A continuous current per module, also at 0-60 Deg. Celsius. On-state voltage drop is a maximum of 1 V at 2 A. Note that this module does not come with electronic protection.

It has a heat dissipation of 0.300 watts per point, with a 0.675 minimum wattage and 3.08 total watts. This module has an operating temperature of 0-60 Deg. Celsius, which pertains to the temperature of the air surrounding the SLC 500 system, and a storage temperature of -40-85 Deg. Celsius. The 1746-OBP8 module has a non-condensing operating humidity of 5-95% and a NEMA standard ICS 2-230 noise immunity. The response delay time of this module is 1 ms for ON and 21 ms for OFF. The maximum resistive load for the signal delay is 1 ms for ON and 2 ms for OFF. Its operating vibration is 0.015 in. peak displacement at 5-57 Hz and 2.5 g acceleration at 57-2000 Hz. This module also has an operating shock of 30 g and isolation voltage of 1500 V.

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