Description
The Omron B7A-R3A33-M is a transistor I/O link module designed to provide 32 NPN open-collector output connections. It operates on a 12 to 24 VDC supply and utilizes a 2-wire interface for communication. The module is intended for distributed I/O applications within Omron B7A series control systems.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Omron |
| Category |
PLCs/Machine Control |
| Part Number |
B7A-R3A33-M |
| Subcategory |
PLC Module/Rack |
| Series |
B7A |
| Module Type |
Transistor I/O Link Module (Outputs) |
| Number of Outputs |
32 |
| Output Type |
NPN Open Collector |
| Operating Supply Voltage |
12–24 VDC |
| Interface Type |
2-Wire |
| Connection Type |
D-Sub, Screw Terminal |
| Operating Temperature |
-10°C to +55°C |
| Weight |
0.09 lbs |
Information About B7A-R3A33-M
The B7A-R3A33-M belongs to the Omron B7A series of link terminal modules used for simplifying wiring between control systems and field devices. It functions as a link adapter with 32 NPN transistor outputs for driving DC loads. The module supports 12–24 VDC operation and connects through a 2-wire communication interface. Designed for industrial automation environments, it provides D-Sub and screw terminal connections for secure integration into control panels.
Key Features:
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32 NPN Open-Collector Outputs: Provides multiple DC transistor output channels.
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12–24 VDC Operation: Compatible with standard industrial DC power supplies.
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2-Wire Interface: Simplified communication and wiring configuration.
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Link Adapter Function: Designed for use within B7A series systems.
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D-Sub and Screw Terminal Connections: Secure and flexible wiring options.
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Compact Module Design: Space-efficient panel integration.
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Wide Operating Temperature Range: Operates from -10°C to +55°C.
The B7A-R3A33-M delivers the reliability and precision required for distributed transistor output control in industrial automation systems.
