Allen-Bradley Point I/O 8-Channel Digital Input Module
The Allen-Bradley 1734-IB8 is a high-performance 8-channel digital input module designed for industrial automation applications. This compact module provides reliable discrete input functionality with configurable sink/source operation.
Technical Specifications
| Parameter |
Value |
| Model Number |
1734-IB8 |
| Product Series |
Allen-Bradley Point I/O |
| Product Type |
Discrete Digital Input Module |
| Input Channels |
8 |
| Input Voltage Rating |
24 V DC |
| Operating Voltage Range |
19.2 V DC to 30 V DC |
| Input Current (ON State) |
4 mA typical (at 24 V DC) |
| Input Current (OFF State) |
≤ 100 μA |
| Input Impedance |
6 kΩ (at 24 V DC) |
| Response Time |
1 ms (OFF to ON / ON to OFF) |
| Input Configuration |
Sink/Source (configurable) |
Physical Dimensions
| Module Width |
17.5 mm (0.69 in) |
| Module Height |
100 mm (3.94 in) |
| Module Depth |
110 mm (4.33 in) |
| Weight |
57 g (2.01 oz) |
| Mounting |
35 mm DIN Rail (compliant with EN 50022) |
Environmental Specifications
| Operating Temperature |
-20 °C to 55 °C (-4 °F to 131 °F) |
| Storage Temperature |
-40 °C to 85 °C (-40 °F to 185 °F) |
| Relative Humidity |
5% to 95% (non-condensing, per IEC 60068-2-3) |
| Vibration Resistance |
5 g (10 Hz to 500 Hz, per IEC 60068-2-6) |
| Shock Resistance |
30 g (11 ms duration, per IEC 60068-2-27) |
Isolation & Protection
| Channel-to-Channel Isolation |
500 V AC (1 min) |
| Module-to-Backplane Isolation |
250 V AC (1 min) |
Key Features
- 8 discrete digital input channels with fast 1ms response time
- Configurable sink/source input operation
- Comprehensive LED indicators for channel and module status
- Compact 17.5mm width for space-efficient installation
- Robust industrial design with wide operating temperature range
- Compatible with Point I/O backplane systems
Certifications & Compliance
Safety Certifications: UL 508, CSA C22.2 No. 142, IEC 61131-2
EMC Compliance: EN 61000-6-2 (Immunity), EN 61000-6-4 (Emission)
Hazardous Location Approval: Class I, Division 2, Groups A, B, C, D (per UL 60079-15-1)
Communication & Indicators
| Backplane Communication |
Point I/O Backplane (compatible with 1734-AENTR/1734-AENT etc.) |
| LED Indicators |
Channel status (8 LEDs), Module status (1 LED) |