Product Short Description
ESW I/O Terminal Board, Low Density Type H1A
Product Introduction
Standard low-density I/O terminal board of GE IS420 series, used for field signal wiring transition of Mark VIe system, matching with various I/O modules to realize signal access and circuit protection.
Model Series
IS420 Series – ESW I/O Terminal Board Family
Description
Technical Specifications
- Operating Power: 24 VDC
- Operating Temperature: 0 °C ~ +60 °C
- Storage Temperature: -40 °C ~ +85 °C
- Humidity: 5% – 95% non-condensing
- Dielectric Strength: 1500 VAC / 1 min
Functional Features
- Low-density standard channel layout for conventional signal wiring
- Built-in surge and over-current protection circuit
- Signal filtering to eliminate industrial electromagnetic interference
- Standard pin definition compatible with IS420 series modules
- Convenient wiring and disassembly design
Performance Parameters
- Signal Transmission Delay: ≤ 1 ms
- Insulation Resistance: ≥100 MΩ
- EMC Compliance: IEC 61000 series industrial EMC standards
- Channel Quantity: Standard low-density channel configuration
Material Composition
- PCB: FR-4 flame-retardant printed circuit board
- Terminals: Tin-plated copper + flame-retardant nylon plastic
- Protection components: Transient voltage suppressor, filter capacitor
Structural Characteristics
- Standard 19-inch rack card structure
- Front exposed wiring terminals, rear backplane connector
- One-piece anti-loosening locking buckle
- Lightweight compact structure
Working Principle
External field signals are connected to the terminal board through wiring terminals. After filtering and protection by on-board circuits, signals are transmitted to the upper I/O module through the backplane bus. It realizes physical wiring transition and primary signal protection.
Advantage Highlights
- Cost-effective standard terminal board for conventional control scenarios
- Simple structure, low failure rate
- Easy wiring and daily maintenance
- Good versatility, widely compatible with IS420 series modules
Applicable Industries
General thermal power auxiliary control, conventional industrial automation, water treatment control, light industry process control
Installation Requirements
- Rack-mounted in standard industrial control cabinet
- Vertical installation, no inclined installation
- Keep wiring neat and avoid excessive bending of wires
Usage Notes
- Static protection required during handling
- Prevent liquid and conductive dust from entering terminal area
- Check terminal tightness periodically
- Do not connect over-voltage signals
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