Overview
The 1771-IBD module is a 16-point, sinking input module designed for digital inputs. It serves as a reliable interface between the control system and field devices, enabling the collection of discrete signals from various sensors and switches.
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 30V DC
-
Minimum Input Current:
- 4.5 mA at 10V DC
- 15 mA at 30V DC
- Minimum Off-state Current: 2.0 mA @ 5V DC
- Maximum Off-state Voltage: 5V DC
- Minimum On-state Voltage: 10V DC
- Input Impedance: 2.2K ohms maximum
-
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 Watts
- Minimum: 1.0 Watts
-
Thermal Dissipation:
- Maximum: 24.7 BTU/hr
- Minimum: 3.4 BTU/hr
- Backplane Current: 130 mA @ 5V DC ±5%
- Isolation Voltage: Meets or exceeds UL Standard 508 and CSA Standard C22.2 No. 142
Environmental Conditions
- Operational Temperature: 0°C to 60°C (32°F to 140°F)
- Storage Temperature: -40°C to 85°C (-40°F to 185°F)
- Relative Humidity: 5 to 95% (without condensation)
Conductors
-
Wire Size:
- 14 gauge (2 mm²) stranded maximum
- 3/64 inch (1.2 mm) insulation maximum
-
Keying:
- Between 10 and 12
- Between 16 and 18
- Field Wiring Arm: Standard Cat. No. 1771-WH
- Wiring Arm Screw Torque: 7-9 inch-pounds
Agency Certification
- CSA certified
- CSA Class 1, Division 2, Groups A, B, C, D certified
- UL listed
- CE marked for all applicable directives
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| Warranty | 12 Months |
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