Allen-Bradley 1771-IBD Digital DC Input Module
| Brand | Allen-Bradley |
| Module Number |
1771-IBD 1771-OBD |
| Unit Price | $800 |
| Country Of Origin | USA |
| Weight | 0.45KG |
| Certificate |
C/O from the Chamber of Commerce C/Q from the Manufacturer |
| Warranty | 12 Months |
| Inventory Qty | 13 |
Allen-Bradley 1771-IBD is a 16-point DC input module for the PLC-5 platform, providing reliable industrial automation control.
Allen-Bradley 1771-OBD is a 16-point DC output module for the PLC-5 system, designed for industrial automation applications.
Comparison Table: 1771-IBD VS 1771-OBD
|
Feature |
1771-IBD |
1771-OBD |
|
Module Type |
16-point, 24V DC Sinking Input |
16-point, 24V DC Sourcing Output |
|
Voltage/Current Rating |
Voltage/Current Rating |
Voltage/Current Rating |
|
Isolation Voltage |
Isolation Voltage |
Isolation Voltage |
|
Response Time |
- ON→OFF: ≤1ms - OFF→ON: ≤3ms |
- ON→OFF: ≤1ms - OFF→ON: ≤3ms |
|
Power Consumption |
Power Consumption |
Power Consumption |
|
Connection Method |
Connection Method |
Screw terminals (1771-TB series) |
|
LED Indicators |
LED Indicators |
LED Indicators |
|
Operating Temperature |
0°C to 60°C |
0°C to 60°C |
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<p><a class="downBtn" href="https://www.vogiauto.com/wp-content/uploads/2025/08/1771-IBD.pdf" download="">DataSheet Download</a></p>
Key Differences
Functional Direction
1771-IBD: Accepts 24V DC sinking input signals (e.g., pushbuttons, sensors).
1771-OBD: Provides 24V DC sourcing output (drives relays, indicators, etc.).
Electrical Characteristics
Current Capacity:
IBD input: 8mA/point (signal detection).
OBD output: 1A/point (load driving).
Isolation: OBD requires higher isolation (1500V AC) for load circuit protection.
Compatibility
Both require 1771 I/O chassis (e.g., 1771-A1B, A2B).
Use identical 1771-TB series terminal blocks.
