Product Overview
1746-FIO4V
The 1746-FIO4V is a versatile analog input/output module for the Allen-Bradley SLC 500 series. It supports precise voltage measurement and control, enabling both monitoring of field devices and transmission of analog signals to actuators. Designed for industrial environments, this module delivers reliable performance with minimal signal distortion and interference.

Key Advantages
4 analog input channels for voltage measurement
Supports 0–10 V and ±10 V ranges
Built-in diagnostics enable rapid fault detection
Easily integrates into SLC 500 chassis
Compact design for space-constrained panels
Typical Application Areas
Process control systems in manufacturing processes
Monitoring voltage signals from sensors and transmitters
Driving analog actuators in automated production lines
System retrofitting with SLC 500 controllers
Laboratory testing and measurement applications
Technical Parameters
| Parameter | Specification |
|---|---|
| Manufacturer | Allen-Bradley |
| Model | 1746-FIO4V |
| Common Mode Voltage Range | 0 …20V (max) |
| Input Channels | 4 |
| Output Channels | 4 |
| Current at 5V dc | 55 mA |
| Current at 24V dc | 120 mA |
| Converter Resolution | 12 bits |
| Signal Convert from Hold | 6.0 µs (nom) |
| Isolation | Channel-to-backplane isolated |
| Conversion Time (sum of above two specs) | 7.5 µs every 512 µs (nom) |
| Operating Temperature | 0 °C to +60 °C |
| Step Response (5…95%) | 100 µs |
| Impedance Channel-to-channel | 1 MΩ |
Installation and Operation Precautions
Before inserting modules, ensure SLC 500 chassis slots are free of debris and securely mounted.
Verify input/output wiring matches each channel's voltage range to prevent overvoltage or signal errors.
Properly connect all signal ground wires to ensure accurate readings and minimize noise interference.
Power up the system incrementally, confirming successful initialization via module status indicators.

Frequently Asked Questions
Can this module be used for both single-ended and differential signals?
The 1746-FIO4V module is optimized for single-ended voltage signals. For differential input applications, select a compatible module or use signal conditioning equipment.
What is the maximum cable length for analog inputs without significant signal attenuation?
Reliable operation is typically achieved within 30 meters (100 feet) using shielded cable. Longer distances may require signal conditioning.
Can this module operate in harsh industrial environments with temperature fluctuations?
The module reliably operates within 0°C to +60°C. In extreme environments, ensure proper enclosure sealing and ventilation.
How do I verify module functionality after installation?
Execute channel tests using controller software to monitor
in one-stop service
With 20 years of industrial automation expertise, we deliver one-stop procurement and delivery solutions covering both current and hard-to-find legacy components. Leveraging our global network and extensive inventory, we ensure critical parts are always available to minimize downtime.
Factory-sealed, original components
Over 20 years of industrial automation sourcing experience
Long-term availability for legacy and current modules
Fast processing and global shipping

Message Us Anytime
Sales Manager: Lydia
📧 Email: sales3@mooreplc.com
📱 WhatsApp: +86 180 2071 4662
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