B&R 7DM465

Product Name: Digital Mixed I/O Module (System 2003 Series)B& R Indus… Product Brief: This is a mixed‑signal digital input/output module belonging to B&R System 2003 I/O platform. It integrates sink‑type digital input channels and transistor‑type digital output channels for field‑level discrete signal acquisition and actuator driving in industrial control systems.

Category:
Description

Technical Specifications

  • Input Channels: 16‑channel 24 VDC sink input, 1 ms input filter delay
  • Output Channels: 16‑channel 24 VDC transistor output, single‑channel rated current 0.5 A
  • Input Rated Current: 20 mA per channel
  • Operating Voltage: 24 VDC
  • Operating Temperature: ‑20 °C ~ +70 °C
  • Storage Temperature: ‑40 °C ~ +85 °C
  • Physical Dimension: 86 mm × 100 mm × 75 mm
  • Weight: 0.2 kg
  • Certifications: CE, UKCA, cULus HazLoc Class I Division 2 Groups ABCDB& R Indus…

Functional Features

  • Optocoupler electrical isolation between internal logic circuit and field signal circuit
  • High‑speed 1 ms input response for fast‑switching digital sensors
  • Short‑circuit protection for each transistor output channel
  • Back‑plane bus hot‑swap supporting System 2003 rack architecture
  • Supports PROFIBUS‑DP industrial bus communication protocol
  • Requires independent ordering of 18‑pin terminal blocks (7TB718.9 / 7TB718.91) for field wiringB& R Indus…

Application Scenarios Packaging machinery, textile production equipment, material handling systems, general‑purpose PLC discrete signal processing, hazardous‑location Class I Division 2 industrial sites.

Material Composition

  • Housing: Reinforced industrial ABS plastic
  • Internal circuit: FR‑4 multilayer PCB, optocoupler chips, power transistor arrays
  • Connector interface: Copper alloy contact terminals

Structural Characteristics Standard modular rack‑mount structure, compatible with System 2003 back‑plane slot. Two independent 18‑pin terminal block interfaces for input and output signal wiring. Module status LED indicators for channel diagnosis.

Working Principle Field 24 VDC digital signals are isolated via optocouplers and transmitted to the back‑plane bus for PLC logic processing. Internal logic signals drive power transistors to switch 24 VDC field actuators, implementing discrete‑signal closed‑loop control.

Installation Requirements

  • Mount on standard DIN‑rail or System 2003 modular rack
  • Install 2 sets of 18‑pin terminal blocks before field wiring
  • Keep 10 mm minimum clearance on upper and lower sides for heat dissipation
  • Ambient pollution degree 2 installation environment
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