3DI450.60-9 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 3DI450.60-9 is a controller module from the System 2005 Controllers series and features 16 digital inputs as well as 4 counter inputs with a 100 kHz frequency. It offers a nominal voltage of 24 VDC, IP20 protection rating, and includes group-to-group and channel-to-PLC isolation. The module operates with a 2.0 watt power draw at 5 V and provides input circuits as sink or source depending on the channel.
Internal Product Review
The 3DI450.60-9 is a B & R Automation System 2005 digital input and counter controller module with 16 digital inputs and 4 counter inputs. Technical value stands out through 24 VDC nominal voltage and 100 kHz counter frequency, supporting fast and stable signal handling. IP20 protection and channel-to-PLC isolation make this module a strong choice for dependable cabinet-level control.
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Product Description:
The 3DI450.60-9 digital input module is produced by B & R Automation for the System 2005 Controllers series. The unit occupies a single-width slot on the I/O backplane and provides 16 discrete input points for monitoring sensors, switches, and proximity devices in machine control systems. By translating field-level 24 V signals into logic-level data, the module allows the CPU to supervise equipment status, coordinate sequences, and log events in automated manufacturing cells.
The module handles 16 digital inputs divided into four electrically separated groups, each powered from a 24 VDC nominal supply. Within those groups, there are 4 counter inputs, and the associated hardware counts edge transitions at up to 100 kHz, enabling high-speed feedback from encoders or flow meters. The circuit path between each channel cluster and the controller backplane includes channel-to-PLC isolation, which helps prevent ground loops and protects the CPU from field transients. Because group-to-group coupling is blocked, status data arrive with minimal interference, while the absence of isolation between channels in the same group supports compact signal routing and reduces propagation delay.
Debounce timing can be tailored by selecting the integrated filters; channels 1–8 can be limited to ≤1.2 ms, and channels 9–16 can be extended to ≤12 ms to mask contact bounce on slower devices. The front-end logic draws only 2.0 W from the 5 V rail, allowing dense rack layouts without exceeding the power budget. An IP20 protection rating limits the module to enclosed cabinets. Group-to-group isolation is present, input circuits for the first eight points are sink type, and the remaining inputs accept sink or source wiring, providing flexibility when interfacing different sensor standards.
