Description
7DM435.7 B&R System 2003 Digital Mixed Module
Product Dimensions：
Product Description
The B&R 7DM435.7 is a compact digital mixed I/O module from B&R’s 2003 industrial automation series. It integrates 8 × 24 VDC digital inputs (sink/source configurable, 1 ms response) and 8 × 24 VDC transistor outputs (0.5 A per channel, high‑side driver). Designed for direct integration with B&R 2003 CPU modules (e.g., 7CP430.60‑1), it provides reliable, fast signal acquisition and actuation for industrial machine control. The module features electrical isolation between I/O and the backplane, overload/short‑circuit protection, and requires separate purchase of 3× 7TB710 terminal blocks for wiring. It is built for harsh industrial environments and complies with global safety standards.
2. Technical Parameters
| Parameter | Specification |
|---|---|
| Model Number | 7DM435.7 (Module ID: DM435) |
| Product Series | B&R 2003 Automation Series |
| Product Type | Digital Mixed I/O Module (8 DI + 8 DO) |
| Digital Inputs | 8 channels, 24 VDC nominal (18–30 VDC); sink/source configurable; input delay ≤ 1 ms; input current ≈ 8 mA @ 24 VDC; switching threshold: LOW < 5 V, HIGH > 15 V |
| Digital Outputs | 8 channels, 24 VDC nominal (18–30 VDC); high‑side transistor (NPN) drivers; continuous current: 0.5 A/channel, max 4 A/module; off‑state leakage current: 12 μA; overload/short‑circuit protection (typ. 4 A short‑circuit current) |
| Isolation | Electrical isolation between inputs/outputs and backplane (PCC) |
| Power Supply | 24 VDC (18–30 VDC); backplane‑powered (no external power required) |
| Operating Temperature | -20°C to +60°C |
| Relative Humidity | 5–95% (non‑condensing) |
| Protection Class | IP20 (panel‑mounted) |
| Certifications | CE, UKCA, cULus (E115267), EAC |
| Accessories | 3× 7TB710 terminal blocks (screw/cage clamp) sold separately |
| Dimensions | Standard 2003 series module form factor |
3. Product Advantages
- Mixed I/O Flexibility: Combines 8 DI and 8 DO in one compact module, reducing cabinet space and wiring complexity for mixed‑signal applications.
- Fast Response: 1 ms input delay ensures real‑time signal detection for high‑speed machine control tasks.
- Configurable Inputs: Sink/source selectable 24 VDC inputs adapt to diverse sensor types (PNP/NPN) without external adapters.
- Robust Outputs: High‑side transistor outputs with 0.5 A drive capacity and short‑circuit/overload protection for reliable actuation of valves, relays, and indicators.
- Electrical Isolation: Isolated I/O‑backplane design eliminates ground loops and electromagnetic interference (EMI), enhancing signal stability in noisy industrial environments.
- Seamless Integration: Plug‑and‑play compatibility with B&R 2003 CPU modules (e.g., 7CP430.60‑1) and Automation Studio software for easy configuration.
- Industrial Durability: Wide temperature range (-20°C to +60°C) and high noise immunity for operation in harsh manufacturing settings.
- Cost‑Effective: Single module replaces separate DI/DO units, lowering hardware and installation costs for small‑to‑medium automation systems.
4. Precautions
- Terminal Block Requirement: Must purchase and install 3× 7TB710 terminal blocks (screw/cage clamp) separately; do not use non‑B&R terminal blocks to avoid wiring failures.
- Input Configuration: Set sink/source mode correctly per connected sensor type (PNP = source, NPN = sink); incorrect configuration causes signal errors.
- Output Load Limits: Do not exceed 0.5 A continuous current per output or 4 A total module current; overloading triggers protection and may damage the module.
- Inductive Loads: Use freewheeling diodes across inductive loads (valves, relays) to suppress voltage spikes when switching off, protecting output drivers.
- Isolation Compliance: Do not connect I/O circuits to high‑voltage systems; maintain isolation between I/O and backplane to prevent damage.
- Environmental Limits: Operate within -20°C to +60°C; protect from direct water spray, oil, corrosive gases, and excessive dust (IP20 rating).
- Wiring Best Practices: Use shielded 24 VDC cables for I/O; properly ground shields to reduce EMI; avoid routing I/O cables alongside high‑voltage power lines.
- Short‑Circuit Risk: Prevent short circuits between digital outputs and 24 VDC supply; this can cause voltage feedback and disable safety functions.
- Module Installation: Mount securely in a vibration‑resistant cabinet; ensure adequate ventilation to prevent overheating.
5. Product Applications
- Machine Tools: CNC machines, lathes, milling machines, and grinding equipment for sensor feedback and actuator control.
- Packaging Machinery: Form‑fill‑seal machines, labeling systems, and palletizing lines for high‑speed I/O control.
- Material Handling: Conveyor systems, sorters, and automated storage/retrieval systems (AS/RS) for position sensing and motor control.
- Food & Beverage Processing: Filling machines, pasteurizers, and packaging lines for hygienic, reliable I/O operation.
- Textile Machinery: Spinning, weaving, and dyeing equipment for precise process control.
- Printing & Paper Handling: Printing presses, paper cutters, and binding machines for fast signal response.
- Assembly Lines: Small‑to‑medium factory assembly stations and test systems for mixed DI/DO tasks.
- Specialized Machinery: Plastic injection molding, metal stamping, and woodworking equipment for industrial actuation.
- Building Automation: HVAC control, access control, and small‑scale building management systems.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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