1734-IA2 | Allen-Bradley POINT I/O 120V AC Digital Input Module, 2-Channel
The 1734-IA2 is a 2-channel 120V AC digital input module in the Allen-Bradley POINT I/O series. It suits compact control panels and distributed I/O architectures. Each channel has a status LED for fast input verification.
This module fits ControlNet, DeviceNet, and EtherNet/IP systems. Its open-style housing allows horizontal or vertical mounting. The design targets panel builders who need dense, reliable AC input points.
Technical Specifications
| Brand | Allen-Bradley / Rockwell Automation |
| Model | 1734-IA2 |
| Series | POINT I/O |
| Module Type | Digital AC Input Module |
| Inputs | 2 channels (1 group of 2) |
| Input Voltage | 120V AC nominal |
| Input Range | 85 to 132V AC |
| Frequency | 47 to 63 Hz |
| Input Impedance | 10.6 kΩ nominal |
| POINTBus Current | 75 mA at 5V DC max |
| Power Dissipation | 0.1 W max |
| Thermal Dissipation | 3.4 BTU max |
| Isolation Voltage | 240V AC continuous; 3250V DC for 60 s tested |
| Key Switch Positions | 8 |
| Enclosure | Open style |
| Dimensions | 56.0 x 12.0 x 75.5 mm |
| Weight | Approx. 30.9 g (1.09 oz) |
| Operating Temperature | Check system enclosure rating |
| Humidity | Non-condensing, panel-dependent |
| Certification | CE, UL, cUL (typical POINT I/O compliance) |
Installation Guide
- Mount the module on a POINT I/O terminal base before wiring.
- Use the 8 key switch positions to set the correct module keying.
- Wire Input 0 and Input 1 to the terminal base per the wiring diagram.
- Confirm 120V AC nominal supply stays within 85 to 132V AC.
- Keep frequency in the 47 to 63 Hz range for stable input response.
- Mount horizontally or vertically in an open-style enclosure.
- Verify the POINTBus current budget before adding modules.
Commissioning and Maintenance
Check each channel LED during commissioning. The LED shows the live input state. Use a known 120V AC source to confirm wiring polarity. For maintenance, inspect terminal torque and remove dust from the open-style housing. The 240V AC continuous isolation helps protect the POINTBus side during field faults.
Compatibility Notes
The 1734-IA2 works with Allen-Bradley POINT I/O terminal bases. It supports ControlNet, DeviceNet, and EtherNet/IP networks through the appropriate POINT I/O adapters. It suits mixed AC input panels that need a compact two-channel footprint. Do not exceed the 75 mA POINTBus current draw when sizing the backplane power budget.
Diagnostics and Application Scenarios
Each input has a dedicated status indicator. This supports fast fault isolation without a meter. Typical uses include motor starter feedback, pushbutton stations, limit switches, and relay contact monitoring. The 10.6 kΩ input impedance limits leakage current effects in long field loops. The module fits 120V AC control circuits in packaging, material handling, and utility panels.
Why Buy From Oiltech Controls?
- 15+ years of industrial automation spare parts experience.
- Global shipment support with FedEx, UPS, and DHL.
- Tested industrial surplus and refurbished options.
- 12-month warranty on every order.
- Technical verification before shipment.
- Support for obsolete control systems.
- Contact: info@oiltechcontrols.com or +86 158 8020 0923 (WhatsApp).
Packaging and Shipping
Package includes 1 x 1734-IA2 module. Accessories and terminal base ship separately unless ordered. We ship by FedEx, UPS, or DHL. Each order includes a 12-month warranty and pre-shipment technical verification.
FAQ
Q: How many inputs does the 1734-IA2 have?
A: Two inputs, labeled Input 0 and Input 1.
Q: What input voltage does it accept?
A: 120V AC nominal, with a working range of 85 to 132V AC.
Q: Does it work on EtherNet/IP?
A: Yes, through a POINT I/O EtherNet/IP adapter.
Q: What is the POINTBus current draw?
A: 75 mA at 5V DC max.
Q: Is isolation included?
A: Yes, 240V AC continuous isolation is rated.
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