
Product Overview
The B&R 7DM465.7 is a high-density digital mixed input/output module designed for the B&R System 2003 programmable logic controller platform. This module integrates 16 digital sink inputs and 16 transistor outputs within a single-width form factor, delivering exceptional channel density that maximizes rack space utilization and reduces wiring complexity in industrial control cabinets. As a member of B&R’s proven System 2003 I/O family, the B&R 7DM465.7 serves as a versatile interface between field devices and the central processing unit, handling discrete signals from proximity sensors, limit switches, pushbuttons, and other binary field instruments while driving solenoid valves, indicator lamps, and small relays.
The B&R 7DM465.7 distinguishes itself through its robust electrical design, featuring high-side driver IC output architecture with integrated overload and short-circuit protection. Each transistor output delivers up to 0.5 A continuous current, with the module supporting a total current of 8 A across all 16 channels. The B&R 7DM465.7 incorporates a 47 V braking voltage capability that protects output transistors when switching inductive loads, eliminating the need for external flyback diodes and simplifying field wiring. Its sink-configured inputs accept 24 VDC nominal signals with a maximum delay of 1 ms, ensuring responsive signal acquisition for time-critical control applications.
Within industrial automation environments, the B&R 7DM465.7 functions as a space-efficient and diagnostically capable I/O solution for manufacturing machinery, packaging equipment, material handling systems, and process control applications. The module’s multi-function status LEDs provide clear visibility into channel states and output errors, enabling rapid fault identification and minimizing troubleshooting downtime. As B&R System 2003 remains widely deployed in legacy installations, the B&R 7DM465.7 continues to serve as a critical spare component for maintaining operational continuity in existing automation infrastructure.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 7DM465.7 |
| Manufacturer | B&R (Bernecker + Rainer) |
| Product Type | Digital Mixed Module (DI + DO) |
| Product Family | B&R System 2003 |
| Input Channels | 16 digital inputs, sink (NPN) configuration |
| Input Voltage Range | 18–30 VDC (24 VDC nominal) |
| Input Switching Thresholds | Low: < 5 VDC; High: > 15 VDC |
| Input Delay | Max. 1 ms |
| Input Current @ Nominal Voltage | Approx. 4 mA per channel |
| Output Channels | 16 transistor outputs, high-side driver IC |
| Output Voltage Range | 18–30 VDC (24 VDC nominal) |
| Output Current | Max. 0.5 A per channel; max. 8 A per module |
| Leakage Current (OFF State) | 12 µA |
| Switching Delay (ON↔OFF) | Max. 450 µs per direction |
| Overload Protection | Yes, automatic recovery (seconds range, temperature-dependent) |
| Short-Circuit Current | Typ. 4 A permanent short-circuit limiting |
| Braking Voltage (Inductive Loads) | 47 V at switch-off |
| Electrical Isolation | Input–PLC: Yes; Output–PLC: Yes; Input–Output: No |
| Power Consumption | Max. 1.1 W |
| Status Indicators | OK LED; Multi-function S# (channels 1–8) and S#+1 (channels 9–16) |
| Logical Slot Occupancy | Two logical module slots |
| Required Terminal Blocks | 2 × 7TB718 (screw clamp 7TB718.9 or cage clamp 7TB718.91) – order separately |
| Certifications | CE, UKCA, cULus HazLoc E180196 (Class I, Division 2, Groups ABCD) |
| Country of Origin | Austria |










