1794-OB32P | Allen-Bradley Output Module, 24V DC, 32 Source Outputs, Protected

Description 

The 1794-OB32P is an Allen-Bradley Flex I/O electronically protected discrete output module. This module comes with individual channel protection, having thirty-two (32) 24 Volt DC sourcing output channels. It is compatible for use with the 1794-TB32 and 1794-TB32S terminal base units. It has an output current rating of 14.0 Amperes per module, with 6 Amperes total for channels 0...15 and 8 Amperes total for channels 16-31.

Technical Specifications 

Information About 1794-OB32P

The Allen-Bradley 1794-OB32P is a FLEX I/O digital 24V DC module. It comes with 32 outputs that are electronically fused and grouped into 2 groups of 16 outputs, with each group having a separate voltage source. Each output is self-protected against temperature overloads and shocks. It also has 32 yellow status indicators and measures 1.8 x 3.7 x 2.1 inches. The 1794-OB32P can be installed using a DIN rail mount and is only compatible with the 1794-TB32 and 1794-TB32S terminal base units. The on-state output voltage of the 1794-OB32P module ranges from a minimum of 10V DC and a maximum of 31.2V DC and it also has a maximum on-state output voltage drop of 0.5V DC. Per channel, the module has a minimum on-state current output of 1 mA and a maximum on-state output of 500 mA per channel, or a total of 14 A per module. However, this module has a varying total number of amperes for the 2 output groups, as Channels 0-15 have a total of 6 A while Channels 16-31 has a total of 8 A. The module has a maximum output surge current of 2 A for 50 ms, which is repeatable every 2 s, as well as an off-state output leakage current of 0.5 mA. The 1794-OB32P’s external DC supply current range is 103-273 mA and its external DC supply voltage range is 10-31.2V DC, with the 5% AC ripple included. This module has a maximum output delay of 0.5 ms from OFF to ON state and 1 ms from ON to OFF state. It also has a continuous isolation voltage of 50V between the field side and the system. The 1794-OB32P has a maximum thermal dissipation of 18.1 BTU/hr at 31.2V DC and a maximum power dissipation of 5.3 W also at 31.2V DC.

The Allen-Bradley 1794-OB32P is a sourcing discrete output module. This module is part of the Flex I/O product family, featuring thirty-two (32) electronically protected output channels. Discrete output modules, including the 1794-OB32P, are used to implement the control output commands of Programmable Logic Controllers (PLC). Specifically, the 1794-OB32P is especially compatible for use with electronic and electrical components operating at 24 Volts DC voltage such as indicating devices like pilot lamps and revolving light; Sounding devices such as buzzer, horn and siren; Electrical loads such as relay coils, solenoid actuated devices, and similar components.

The 1794-OB32P output module is used with terminal base units. Compatible terminal base units are 1794-TB32 and 1794-TB32S. This module has a maximum output current of 14.0 Amperes; maximum of 6 Amperes delivered by channels 0-15 and maximum of 8 Amperes provided by channels 16-31 while the minimum output current rating per channel is 1.0 milliampere. It has a minimum on-state voltage output of 10 Volts DC, a nominal on-state output voltage of 24 Volts DC, and a maximum on-state output voltage of 31.2 Volts DC.

The module exhibits an output signal delay of 0.5 milliseconds for off-to-on transition and 1.0 millisecond for on-to-off transition. It has a current draw of 80 milliamperes @ 5 Volts DC, a maximum power dissipation of 5.3 Watts @ 31.2 Volts DC, and a maximum thermal dissipation of 18.1 British Thermal Units (BTU) per hour @ 31.2 Volts DC.

Manufacturer information

Allen‑Bradley components, integrated control and information solutions are built for demanding industrial applications. We integrate control and information across the enterprise to make you as productive as possible.

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