Allen-Bradley 1756-IF4FXOF2F ControlLogix Fast Analog Module

Product Description:

The Rockwell Automation Allen-Bradley (AB) 1756-IF4FXOF2F ControlLogix Fast Analog Module features 4 current-voltage inputs and 2 current-voltage outputs, housed in a 36-pin configuration. It provides high-speed, precise analog signal processing for demanding industrial applications.

Technical Specifications

Electrical

• Input, current: Yes
• Input, voltage: Yes
• Input, resistor: No
• Input, resistance thermometer: No
• Input, thermocouple: No
• Input signal, configurable: Yes
• Output, current: No
• Output, voltage: No
• Output signal configurable: No
• Analogue inputs configurable: Yes
• Analogue outputs configurable: No
• Type of electric connection: Screw-/spring clamp connection
• Output range: ±10V, 0…20 mA
• Terminal block torque specifications: 1756-TBCH: 0.5 Nm (4.4 lb.in)
• Input conversion method: Successive approximation
• Module keying: Electronic, software configurable
• Offset drift: 50 µV/°C, 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, 0...20 mA
• Data format: Integer mode (left justified, 2's complement) IEEE 32-bit floating point
• Wire category: 2 - on signal ports
• Overvoltage protection: Voltage: 30V DC, input, Current: 8V AC/DC, input, Output: 24V DC
• Module error: Input: 0.2% of range, Voltage: 0.2% of range, output, Current: 0.3% of range, output
• Gain drift with temperature: Voltage: 25 ppm/°C maximum, input, Current: 35 ppm/°C maximum, input, Voltage: 25 ppm/°C maximum, output, Current: 50 ppm/°C maximum, output
• Voltage and current ratings: Backplane: 375 mA @ 5.1V DC, 100 mA @ 24V DC, Analog inputs: -10...+10V, 4...20 mA, Analog outputs: -10...+10V, 4...20 mA
• Module scan time: 300 µs minimum
• Thermal dissipation: Voltage: 14.66 BTU/hr, Current: 16.02 BTU/hr
• Current draw: 375 mA @ 5.1V, 100 mA @ 24V
• Power dissipation: Voltage: 4.3 W, Current: 4.7 W
• Resolution:
  • Input: Approx 14 bits across ±10.5V DC (21V total), ±10.5V range: 1.3 mV/bit, 14 bit effective, 0...10.5V range: 1.3 mV/bit, 13 bit effective, 0...5.25V range: 1.3 mV/bit, 12 bit effective, Approx 12 bits across 21 mA, 0...21 mA range: 5.25 μA/bit
  • Output
• Wire size: Single wire connection (1756-TBCH): 0.33...2.1 mm² (22...14 AWG) solid or stranded shielded copper wire, rated at 105 °C (221 °F) or greater, 1.2 mm (3/64 in.) insulation maximum, Single wire connection (1756-TBS6H): 0.33...2.1 mm² (22...14 AWG) solid or stranded
• Calibrated accuracy:
  • Input: 0.05% of range immediately after calibration, Better than 0.1% of range within calibration interval @ 25 °C (77 °F)
  • Output: 0.05% of range immediately after calibration, Better than 0.1% of range within calibration interval @ 25 °C (77 °F)
• Open circuit detection time:
  • Input: Positive full-scale reading within 1 s
  • Output: Current output only (output must be set to >0.1 mA)
• Suitable for safety functions: No
• Update period for all channels (RPI), min: 1 ms
• Number, output: 2 high-speed voltage or current
• Number, input: 4 high-speed, submillisecond, differential
• Short circuit protection: Electronically current limited to 21 mA or less
• Output settling time: <2 ms to 95% of final value with resistive loads

Environmental

• 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 discharges, 8 kV air discharges
• EFT/B immunity: ±2 kV at 5 kHz on shielded signal ports
• Relative humidity: 5...95% noncondensing
• Conducted RF immunity: 10V rms with 1 kHz sine wave 80% AM from 150 kHz...80 MHz on shielded signal ports
• Surge transient immunity: ±2 kV line-earth (CM) on shielded signal ports
• Operating temperature: 0 °C <Ta <60 °C (32 °F <Ta <140 °F)
• Radiated RF immunity:
  • 10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz
  • 10 V/m with 200 Hz 50% pulse 100% AM @ 900 MHz
  • 10 V/m with 200 Hz 50% pulse 100% AM @ 1890 MHz
  • 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz
  • 3 V/m with 1 kHz sine-wave 80% AM from 2700...6 GHz
• Nonoperating temperature: -40 °C

Mechanical

• RTB keying: User-defined mechanical
• Vibration: 2 G @ 10...500 Hz
• Shock: Operating: 30 G, Non operating: 50 G
• Slot width: 1

Certification

• Calibration interval: Input: 12 months, Output: 12 months
• ATEX temperature code: T4
• IECEx temperature code: T4

General Specifications

• Repeatability: ±1 least significant bit (LSB)  

Input Specifications

• Input impedance: Voltage: >1 MΩ, Current: 249 Ω

Power

• Isolation voltage: 250V (continuous), Reinforced insulation type, inputs and outputs to backplane, No isolation between individual inputs or outputs

Construction

• Enclosure type rating: None (open-style)

Documentation

• Technical Data: 1756-TD002
• Find more technical documentation for this product in the Technical Documentation Center.