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1771-IBN | Allen-Bradley PLC-5 32-Channel 10–30VDC Digital Input Module (Sink, Conformal Coated)
- Regular price
- $382.00
- Sale price
- $382.00
- Regular price
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Product Description P/N: 1771-IBN
Description
The Allen-Bradley 1771-IBN is a PLC-5 discrete input module that provides thirty-two 10–30VDC sinking input channels for monitoring field devices. Designed for installation in 1771-series chassis, it offers optoelectrical isolation and input filtering for stable signal acquisition in industrial environments. The module provides reliable digital input expansion for PLC-5 systems requiring high-density DC input capability.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Category | Digital DC Input Module |
| Part Number | 1771-IBN |
| Subcategory | PLC-5 I/O Module |
| Number of Inputs | 32 (4 sets of 8) |
| Voltage Category | 10–60VDC, sink (source load) |
| Operating Voltage Range | 10–30VDC |
| ON-State Voltage (Min) | 10 VDC |
| OFF-State Voltage (Max) | 5 VDC |
| Max OFF-State Current | 1.7 mA |
| Typical Input Current | 4.7 mA @ 10VDC; 15.6 mA @ 30VDC |
| Typical Signal Delay (ON) | 6 ms ± 2 ms |
| Typical Signal Delay (OFF) | 20 ms ± 15 ms |
| Backplane Current Draw | 280 mA @ 5VDC |
| Power Dissipation | 15.6–16.4 W max |
| Thermal Dissipation | 53.3 BTU/hr max |
| Isolation | Optoelectrical isolation between field and logic |
| Wiring Arm | 1771-WN |
| Wire Size Compatibility | 22–14 AWG (0.25–2.5 mm²) |
| Dimensions | 3.5 × 6.5 × 2.0 in (89 × 165 × 51 mm) |
| Enclosure Type | Open-style |
| Coating | Conformal coated |
| Indicators | 32 LED status indicators |
Information About 1771-IBN
The 1771-IBN belongs to the Allen-Bradley 1771 PLC I/O family and supports thirty-two independent DC inputs arranged in four groups of eight. The module operates within a 10–30VDC input voltage range and includes dedicated LED indicators for each channel to provide clear diagnostics during operation. Input filtering and isolation enhance noise immunity, while compatibility with the 1771-WN wiring arm simplifies installation and replacement. Typical usage includes interfacing pushbuttons, switches, sensors, and other source-switching DC devices within PLC-5 automation systems.
Key Features
- 32 sinking DC inputs: Supports 10–30VDC devices in four groups of eight channels.
- Input filtering: Typical 6 ms on/off delay reduces electrical noise and false triggering.
- Conformal coated: Enhances environmental protection for demanding industrial conditions.
- Dedicated LED indicators: One per channel for instant input status verification.
- Optoelectrical isolation: Protects controller circuits from field-side transients.
- 1771 chassis compatible: Fits 1771-A1B through 1771-A4B racks using the 1771-WN wiring arm.
- Modular PLC-5 integration: Consumes a single 32-bit input image word for straightforward addressing.
The 1771-IBN delivers the reliability and precision required for high-density digital input acquisition in PLC-5 control systems.
Description
The Allen-Bradley 1771-IBN is a PLC-5 discrete input module that provides thirty-two 10–30VDC sinking input channels for monitoring field devices. Designed for installation in 1771-series chassis, it offers optoelectrical isolation and input filtering for stable signal acquisition in industrial environments. The module provides reliable digital input expansion for PLC-5 systems requiring high-density DC input capability.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Category | Digital DC Input Module |
| Part Number | 1771-IBN |
| Subcategory | PLC-5 I/O Module |
| Number of Inputs | 32 (4 sets of 8) |
| Voltage Category | 10–60VDC, sink (source load) |
| Operating Voltage Range | 10–30VDC |
| ON-State Voltage (Min) | 10 VDC |
| OFF-State Voltage (Max) | 5 VDC |
| Max OFF-State Current | 1.7 mA |
| Typical Input Current | 4.7 mA @ 10VDC; 15.6 mA @ 30VDC |
| Typical Signal Delay (ON) | 6 ms ± 2 ms |
| Typical Signal Delay (OFF) | 20 ms ± 15 ms |
| Backplane Current Draw | 280 mA @ 5VDC |
| Power Dissipation | 15.6–16.4 W max |
| Thermal Dissipation | 53.3 BTU/hr max |
| Isolation | Optoelectrical isolation between field and logic |
| Wiring Arm | 1771-WN |
| Wire Size Compatibility | 22–14 AWG (0.25–2.5 mm²) |
| Dimensions | 3.5 × 6.5 × 2.0 in (89 × 165 × 51 mm) |
| Enclosure Type | Open-style |
| Coating | Conformal coated |
| Indicators | 32 LED status indicators |
Information About 1771-IBN
The 1771-IBN belongs to the Allen-Bradley 1771 PLC I/O family and supports thirty-two independent DC inputs arranged in four groups of eight. The module operates within a 10–30VDC input voltage range and includes dedicated LED indicators for each channel to provide clear diagnostics during operation. Input filtering and isolation enhance noise immunity, while compatibility with the 1771-WN wiring arm simplifies installation and replacement. Typical usage includes interfacing pushbuttons, switches, sensors, and other source-switching DC devices within PLC-5 automation systems.
Key Features
- 32 sinking DC inputs: Supports 10–30VDC devices in four groups of eight channels.
- Input filtering: Typical 6 ms on/off delay reduces electrical noise and false triggering.
- Conformal coated: Enhances environmental protection for demanding industrial conditions.
- Dedicated LED indicators: One per channel for instant input status verification.
- Optoelectrical isolation: Protects controller circuits from field-side transients.
- 1771 chassis compatible: Fits 1771-A1B through 1771-A4B racks using the 1771-WN wiring arm.
- Modular PLC-5 integration: Consumes a single 32-bit input image word for straightforward addressing.
The 1771-IBN delivers the reliability and precision required for high-density digital input acquisition in PLC-5 control systems.