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Overview
The 1756-IF4FXOF2F is a high-speed, combination analog input/output module from Allen-Bradley, part of the ControlLogix series. This module features four differential, sub-millisecond analog inputs and two high-speed voltage or current outputs. It is designed to support a wide range of input and output signal types, including voltage and current signals. The 1756-IF4FXOF2F is used in applications requiring high-speed signal processing and accurate analog control, including process control, automation, and industrial measurements.
Technical Specifications
- Part Number: 1756-IF4FXOF2F
- Series: ControlLogix
- Manufacturer: Rockwell Automation (Allen-Bradley)
- Module Type: High-Speed Analog Input/Output Module
Inputs
- Number of Inputs: 4 high-speed differential inputs
- Signal Ranges:
- ±10V
- 0 to 10V
- 0 to 5V
- 0 to 20 mA
- Input Resolution:
- 14 bits for ±10.5V DC
- 12 bits for 21 mA
- Overrange Indication: Available for each input channel
- Input Conversion Method: Successive Approximation
- Repeatability: ±1 Least Significant Bit (LSB)
- Calibration Interval: 12 months
Outputs
- Number of Outputs: 2 high-speed voltage or current outputs
- Signal Ranges:
- ±10V
- 0 to 20 mA
- Output Resolution:
- 13 bits for current (2.8 µA/bit)
- 14 bits for voltage (1.3 mV/bit)
- Output Conversion Method: R-Ladder DAC (no missing codes)
- Short-Circuit Protection: Electronically current-limited to 21 mA
- Overvoltage Protection: 24V DC (for output only)
Power and Thermal
- Backplane Current:
- 375 mA at 5V
- 100 mA at 24V
- Power Dissipation (Max):
- 4.3 Watts (Voltage Output)
- 4.7 Watts (Current Output)
- Thermal Dissipation:
- 14.66 BTU/hr (Voltage)
- 16.02 BTU/hr (Current)
- Operating Temperature: 0 to 60°C (Standard Operating Range)
Connectivity
- Required Terminal Blocks: 1756-TBS6H or 1756-TBCH removable terminal blocks
- Update Period: 300 µs (sub-millisecond channel scan time)
- Overvoltage Protection for Inputs: 30V DC
- Overvoltage Protection for Outputs: 24V DC
- Open Circuit Detection: Yes (within 1 second for inputs)
Applications
The 1756-IF4FXOF2F is suitable for applications where precise analog control is required, such as:
- Flow and level control
- Pressure and temperature monitoring
- Speed, viscosity, and pH measurement
- Control of modulating valves, drives, and transducers
Physical Specifications
- Weight: 2.00 lbs
- Module Compatibility: Requires 1756 ControlLogix chassis
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E-mail: [email protected]
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🏢 Address: No.601, Hongwen Liuli, Siming District, Xiamen, China
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