Product Overview
The Allen-Bradley 1734-IE2V is a compact analog input module from the POINT I/O series, designed to bring reliable voltage sensing to distributed control systems. With two single-ended, non-isolated voltage inputs and Delta Sigma conversion, this module delivers precise digital representation of analog process signals. Its open enclosure rating suits clean, controlled industrial environments where space is at a premium.
Technical Specifications
Below are the key parameters for the 1734-IE2V, sourced directly from the manufacturer's data:
| Specification |
Value |
| Manufacturer |
Rockwell Automation |
| Brand |
Allen-Bradley |
| Part Number |
1734-IE2V |
| Series |
POINT I/O |
| Module Type |
Analog Input Module |
| Inputs |
2 single-ended, non-isolated, voltage |
| Signal Type |
Voltage |
| Input Signal Range |
0...10V user configurable (-0.0V under, +0.5V over) ±10V user configurable (-0.5V under, +0.5V over) |
| Conversion Type |
Delta Sigma |
| Absolute Accuracy |
0.1% Full Scale @ 25 °C (77 °F) |
| Data Format |
Signed Integer |
| Key Switch Position |
3 |
| Enclosure Type Rating |
Open |
| Power Dissipation |
0.75 Watts at 28.8 Volts DC |
| Thermal Dissipation |
2.5 BTU/hour at 28.8 Volts DC |
Key Features & Benefits
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Precise voltage measurement: Accepts ±10V DC signals with 0.1% full-scale accuracy, ensuring reliable data for process control.
-
Flexible configuration: User-selectable input ranges (0...10V or ±10V) adapt to various sensor outputs.
-
Status indication: Front-panel LEDs provide clear module, network, and channel status for quick diagnostics.
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Compact form factor: DIN-rail mountable, ideal for space-constrained remote I/O cabinets.
-
Latching alarms: Configurable low, low-low, high, and high-high alarms with adjustable input rates.
Industry Applications
The 1734-IE2V excels in applications where analog signals represent critical process variables. For example, in a water treatment facility, it can monitor flow and pressure transmitters, converting 4-20 mA or voltage signals into digital data for the PLC. Similarly, in packaging lines, it can track temperature and vibration sensors to ensure equipment health. Its low density and cost-effectiveness make it a practical choice for small to medium I/O counts, especially in remote locations.
Installation & Setup
Mount the 1734-IE2V onto a DIN rail and connect it to a compatible POINT I/O adapter. Ensure the key switch is set to position 3 before insertion. Wire the voltage signals to the designated terminals, observing polarity. After power-up, configure the input range and alarm thresholds using your control software. The module's open enclosure requires installation in a clean, dry environment free from excessive dust or debris.
Maintenance & Reliability
Because the 1734-IE2V has no moving parts, maintenance is minimal. Periodically inspect the module for dust accumulation and verify that all wiring connections remain secure. The front-panel LEDs offer at-a-glance health checks: steady green indicates normal operation, flashing green means commissioning is incomplete, flashing red signals a recoverable fault, and steady red indicates an unrecoverable fault. Alternating red/green flashes run a self-test.
Compatibility & Integration
The 1734-IE2V works with any POINT I/O adapter, allowing seamless integration into Rockwell Automation control systems. It supports both unipolar and bipolar operations, converting analog inputs into 16-bit signed integers. This module generates six bytes of data per cycle—channel 0 and channel 1 data, plus status for each—making it easy to map into your control logic.
Selection Guide
Before purchasing, confirm your system's power supply (12-24V DC) and ensure the input signal range matches your sensors. Verify the key switch position matches your backplane. For guaranteed authenticity and reliable delivery, choose PLC Source PRO as your supplier—we stock genuine Allen-Bradley parts and ship promptly.