1771-IBD Allen-Bradley DC Input Module
Overview
The 1771-IBD is a DC input module designed for the Allen-Bradley PLC 5 series. This module features 16 inputs and operates within a voltage range of 10 to 30 V DC, providing reliable signal detection for various applications.
Key Specifications
- Inputs per Module: 16
- Module Location: Compatible with all 1771 I/O chassis except 1771-A1, -A2, and -A4
- Input Voltage Range: 10 to 30 V DC
-
Minimum Input Current:
- 4.5 mA at 10 V DC
- 15 mA at 30 V DC
- Minimum Off-state Current: 2.0 mA @ 5 V DC
- Maximum Off-state Voltage: 5 V DC
- Minimum On-state Voltage: 10 V DC
- Input Impedance: 2.2 kΩ maximum
Performance Metrics
-
Input Signal Delay:
- Low to High Propagation Delay: 1 ms
- High to Low Propagation Delay: Selectable 1 ms or 6 ms
-
Power Dissipation:
- Maximum: 7.3 W
- Minimum: 1.0 W
-
Thermal Dissipation:
- Maximum: 24.7 BTU/hr
- Minimum: 3.4 BTU/hr
- Backplane Current: 130 mA @ 5 V DC (+5%)
Compliance and Isolation
- Isolation Voltage: Meets or exceeds UL Standard 508 and CSA Standard C22.2 No. 142 requirements.
Environmental Conditions
- Operational Temperature Range: 0 to 60 °C (32 to 140 °F)
- Storage Temperature Range: -40 to 85 °C (-40 to 185 °F)
- Relative Humidity: 5 to 95% (without condensation)
Installation Requirements
-
Conductors Wire Size:
- 14 gauge (2 mm²) stranded maximum
- 3/64 inch (1.2 mm) insulation maximum
-
Keying:
- Between terminals 10 and 12
- Between terminals 16 and 18
- Field Wiring Arm: Standard Cat. No. 1771-WH
- Wiring Arm Screw Torque: 7-9 inch-pounds
Agency Certification
-
Certification Marks:
- CSA certified
- CSA Class 1, Division 2, Groups A, B, C, D certified
- UL listed
- CE marked for all applicable directives
Summary
The 1771-IBD module is an efficient choice for monitoring DC signals in various automation applications, providing robust performance with a wide input voltage range and high reliability.
1771-IBD Allen-Bradley DC Input Module
1771-IBD Allen-Bradley DC Input Module
Overview
The 1771-IBD is a DC input module designed for the Allen-Bradley PLC 5 series. This module features 16 inputs and operates within a voltage range of 10 to 30 V DC, providing reliable signal detection for various applications.
Key Specifications
- Inputs per Module: 16
- Module Location: Compatible with all 1771 I/O chassis except 1771-A1, -A2, and -A4
- Input Voltage Range: 10 to 30 V DC
-
Minimum Input Current:
- 4.5 mA at 10 V DC
- 15 mA at 30 V DC
- Minimum Off-state Current: 2.0 mA @ 5 V DC
- Maximum Off-state Voltage: 5 V DC
- Minimum On-state Voltage: 10 V DC
- Input Impedance: 2.2 kΩ maximum
Performance Metrics
-
Input Signal Delay:
- Low to High Propagation Delay: 1 ms
- High to Low Propagation Delay: Selectable 1 ms or 6 ms
-
Power Dissipation:
- Maximum: 7.3 W
- Minimum: 1.0 W
-
Thermal Dissipation:
- Maximum: 24.7 BTU/hr
- Minimum: 3.4 BTU/hr
- Backplane Current: 130 mA @ 5 V DC (+5%)
Compliance and Isolation
- Isolation Voltage: Meets or exceeds UL Standard 508 and CSA Standard C22.2 No. 142 requirements.
Environmental Conditions
- Operational Temperature Range: 0 to 60 °C (32 to 140 °F)
- Storage Temperature Range: -40 to 85 °C (-40 to 185 °F)
- Relative Humidity: 5 to 95% (without condensation)
Installation Requirements
-
Conductors Wire Size:
- 14 gauge (2 mm²) stranded maximum
- 3/64 inch (1.2 mm) insulation maximum
-
Keying:
- Between terminals 10 and 12
- Between terminals 16 and 18
- Field Wiring Arm: Standard Cat. No. 1771-WH
- Wiring Arm Screw Torque: 7-9 inch-pounds
Agency Certification
-
Certification Marks:
- CSA certified
- CSA Class 1, Division 2, Groups A, B, C, D certified
- UL listed
- CE marked for all applicable directives
Summary
The 1771-IBD module is an efficient choice for monitoring DC signals in various automation applications, providing robust performance with a wide input voltage range and high reliability.
