Product details
Allen-Bradley 1771-IH 8-Point DC Input Module
The Allen-Bradley 1771-IH is a reliable digital input module. It works with PLC-5 and Bulletin 1771 control systems. This 1771-IH module offers eight input channels for your automation needs.
Technical Specifications
- Input Channels: 8 independent channels
- Operating Voltage: 24-48V DC
- Voltage Category: 10-60V DC sink (source load)
- On-State Current: 8.4 mA @ 24V, 20 mA @ 48V
- Off-State Current: 0.7 mA maximum
- Response Time: 15ms (±7ms) on, 20ms (±9ms) off
- Input Impedance: 2.5-3KΩ (on), 5-6KΩ (off)
- Isolation Voltage: 1500V AC RMS
- Backplane Current: 74 mA @ 5V DC
- Operating Temperature: 0-60°C (32-140°F)
- Power Dissipation: 0.4W (min) to 8.1W (max)
Package Includes
- 1771-IH DC input module
- Installation guide document
All products include 12-month warranty. We ship via FedEx, UPS, and DHL worldwide.
Frequently Asked Questions
- What types of devices connect to this module?
You can connect switches, sensors, and other DC field devices. - Is this module compatible with modern systems?
Yes, it works with all PLC-5 and Bulletin 1771 systems. - What is the maximum input voltage?
The module can handle up to 60V DC continuously. - How many modules can I install in one chassis?
It depends on your chassis size. Each module uses one slot. - What is the isolation rating?
The module provides 1500V AC RMS isolation protection.
Contact Information
- Email: sales@powergearx.com
- Phone: +86 180 3000 5825
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