Description
1771-IVN Allen‑Bradley Programmable controller
Product Dimensions:
Product Description
The Allen-Bradley 1771-IVN is a 24V DC isolated input module designed for use in PLC-5 and SLC 500 programmable controller systems. This module provides 16 optically isolated input channels, ensuring high noise immunity and reliable operation in harsh industrial environments. The isolation between channels and backplane helps protect the PLC from voltage spikes and ground loop issues, making it ideal for critical control applications.
Product Specifications
Parameter | Value / Description |
---|---|
Part Number | 1771-IVN |
Input Type | 24V DC, isolated |
Number of Inputs | 16 inputs |
Input Voltage Range | 10–30V DC |
Input Current | Typically 7 mA per input (at 24V DC) |
Isolation | Optically isolated, channel-to-channel and channel-to-backplane |
On-State Voltage | Minimum 10V DC |
Off-State Voltage | Maximum 5V DC |
Response Time | < 10 ms (typical) |
Backplane Current | 250 mA maximum |
Indicator LEDs | One per input (illuminates when input is ON) |
Operating Temperature | 0–60 °C (32–140 °F) |
Relative Humidity | 5–95% (non-condensing) |
Module Size | Standard 1771 I/O module size |
Compatibility | PLC-5, SLC 500, and compatible 1771 chassis |
Product Advantages
- High Noise Immunity: Optical isolation protects against electrical noise and voltage transients.
- Channel-to-Channel Isolation: Prevents cross-talk and interference between inputs.
- LED Status Indicators: Each input has a corresponding LED for quick troubleshooting and status verification.
- Wide Voltage Range: Supports 10–30V DC, offering flexibility in field device compatibility.
- Robust Industrial Design: Built to withstand harsh environments with wide temperature and humidity tolerance.
- Seamless Integration: Fully compatible with Allen-Bradley PLC-5 and SLC 500 systems.
Precautions
- Wiring Polarity: Ensure correct polarity when connecting DC inputs to avoid damage or malfunction.
- Voltage Limits: Do not exceed 30V DC on any input channel to prevent permanent damage.
- Grounding: Proper grounding is essential to maintain isolation and avoid ground loops.
- Environmental Conditions: Avoid operating outside the specified temperature and humidity ranges.
- Module Handling: Handle with care to prevent electrostatic discharge (ESD) damage. Use proper anti-static precautions.
- Chassis Compatibility: Ensure the 1771 chassis is properly powered and configured for the module.
Product Applications
- Factory Automation: Used in assembly lines, packaging machines, and robotic control systems for 24V DC sensor signal acquisition.
- Process Control: Ideal for monitoring limit switches, proximity sensors, and pushbuttons in control panels.
- Material Handling: Integration with conveyors, sorters, and automated storage systems.
- Energy Management: Suitable for monitoring status signals in power distribution and control systems.
- Water and Wastewater Treatment: Used in pump and valve control systems requiring reliable isolated inputs.
- Building Automation: Applied in HVAC, lighting, and security systems where 24V DC inputs are standard.
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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