Allan-Bradley 1756-IF4FXOF2F
The Allan-Bradley 1756-IF4FXOF2F is a high-speed analog combination input/output module designed for use in ControlLogix systems. It features high-speed input sampling and output updates, making it suitable for applications requiring fast and accurate analog processing, such as flow measurement.
Technical Specifications
- Input Resolution: 14 bits across ±10.5V DC and 12 bits across 21 mA.
- No. of Outputs: 2 high-speed current/voltage outputs.
- Input Signals Ranges: ±10V, 0…10V, 0…5V, and 0…20 mA.
- Output Signal Ranges: ±10V and 0…20 mA.
- Power Dissipation: 4.3 W (voltage) and 4.7 W (current).
- Thermal Dissipation: 14.66 BTU/hr (voltage) and 16.02 BTU/hr (current).
- Data Format: IEEE 32-bit floating point.
- Module Keying: Electronic, software configurable.
- Offset Drift: 50 µV/°C and 1 µV/°C.
- Output Conversion Method: R-Ladder DAC, monotonicity with no missing codes.
- Drive Capability: Voltage: >2000 Ω, Current: 0…750 Ω.
- Input Range: ±10V, 0…10V, 0…5V, and 0…20 mA.
- Overvoltage Protection: 30V DC (input), 8V AC/DC (input), and 24V DC (output).
- Module Error: 0.2% of range (input), 0.2% of range (output), and 0.3% of range (output).
- Gain Drift with Temperature: 25 ppm/°C maximum (voltage), 35 ppm/°C maximum (current), 25 ppm/°C maximum (voltage), and 50 ppm/°C maximum (current).
- Voltage and Current Ratings: Backplane: 375 mA @ 5.1V DC and 100 mA @ 24V DC; analog inputs: -10…+10V and 4…20 mA; analog outputs: -10…+10V and 4…20 mA.
- Module Scan Time: 300 µs minimum.
User Manuals and Documentation
- Technical Data: The technical data for this module is available in the publication number 1756-TD002.
- Certifications: The product carries certifications from China CCC, CE, ATEX, IECEx Scheme, and Australian RCM.
Troubleshooting and Error Codes
- Module Error: The module error is 0.2% of range for inputs, outputs, and 0.3% of range for outputs.
- Gain Drift with Temperature: The gain drift with temperature is 25 ppm/°C maximum for voltage inputs and outputs, 35 ppm/°C maximum for current inputs and outputs, 25 ppm/°C maximum for voltage outputs, and 50 ppm/°C maximum for current outputs.
Installation and Programming
- Installation: The module is installed in a ControlLogix chassis and connected to the backplane using removable terminal blocks.
- Programming: The module is programmed using the ControlLogix programming software, which allows for configuration of analog inputs and outputs, as well as other module settings.
Alarm and Error Codes
- Module Error: The module error is 0.2% of range for inputs, outputs, and 0.3% of range for outputs.
- Gain Drift with Temperature: The gain drift with temperature is 25 ppm/°C maximum for voltage inputs and outputs, 35 ppm/°C maximum for current inputs and outputs, 25 ppm/°C maximum for voltage outputs, and 50 ppm/°C maximum for current outputs.
Other Information
- Surrounding Air Temperature, Max: 60 °C.
- North American Temperature Code: T4A.
- Power Consumption: 4.3 W.
- Emissions: IEC 61000-6-4.
- ESD Immunity: 6 kV contact.