The Allen-Bradley 1746-FIO4V is a high-performance Fast Analog Input/Output module designed for the SLC 500 programmable logic controller system. This module provides specialized high-speed analog signal processing capabilities, featuring two fast analog input channels and two analog voltage output channels. It is engineered for applications requiring rapid response times and precision control, such as high-speed motion monitoring or fast-acting process loops.
Features
Two high-speed analog input channels supporting voltage and current ranges.
Two dedicated analog voltage output channels.
Fast response capability with a slew rate of 2V/ms.
Accuracy rating of ±0.2% of full scale for reliable process data.
Integrated into the SLC 500 backplane for seamless communication with the CPU.
Technical Specifications
Product Model
1746-FIO4V
Input Channels
2
Output Channels
2 (Voltage)
Input Ranges
±10V DC, 0-10V DC, 0-20mA, 4-20mA
Slew Rate
2V/ms
Accuracy
±0.2% of full scale
Backplane Power
5V DC
Isolation Voltage
500V AC (continuous)
Operating Temperature
0 degC to 60 degC (32 degF to 140 degF)
Storage Temperature
-40 degC to 85 degC (-40 degF to 185 degF)
Humidity
5% to 95% (non-condensing)
Installation Guidelines
Ensure the SLC 500 chassis power is disconnected before installing or removing the module.
Handle the module using proper ESD (Electrostatic Discharge) prevention measures to avoid damaging internal components.
Seat the module firmly into the designated SLC 500 I/O slot and secure it using the integrated mounting screws.
Use shielded twisted-pair cabling for analog signals to minimize noise interference, ensuring the shield is grounded at one end only.
Route signal cables away from high-voltage power lines and high-EMI sources to maintain signal integrity.
Verify that the backplane power supply is sufficient to support the additional load of the module.
FAQ
What is the primary function of the 1746-FIO4V?
The 1746-FIO4V is a specialized I/O module for the SLC 500 platform that provides fast analog input and voltage output signals, typically used in applications where standard analog modules are too slow to meet process requirements.
Can this module handle both current and voltage inputs?
Yes, the input channels support both voltage (±10V DC, 0-10V DC) and current (0-20mA, 4-20mA) configurations.
Is this module compatible with all SLC 500 chassis?
The 1746-FIO4V is designed for standard SLC 500 I/O chassis. Please verify your specific controller configuration and power budget before installation.
