The Allen-Bradley 1769-IF4XOF2 is a Compact I/O module that feature embedded channels with combination analog input and output interfaces. This module is compatible for use as analog input modules with Allen Bradley’s MicroLogix 1500 and 1769 CompactLogix family of controllers.
The 1769-IF4XOF2 is a cost effective with low resolution conversion. It is ideal for interfacing process variables that does not require high-level of criticality or high-accuracy measurements. This module features an embedded Four (4) analog input channels, configurable for single ended or differential input wiring. The input channel accepts +10V dc or 0 to 20 mA signal types while the output provides analog signals in the form of Voltage with range of 0 to 10V dc and Current with 0 to 20 mA range. Input and output full ranges are 0 to 10.5V dc and 0 to 21 mA.
The input circuitry has an integral Analog to Digital (ADC) via Successive Approximation method. It has a resolution of 8-Bit. This circuit converts the reference input to binary signals which is saved ot an 8-Bit register or Byte. This data is termed as raw data and requires signal processing and conditioning such as Scaling to convert to engineering value to represent the actual process variable. This data is made available to the CPU for retrieval cyclically or through a program trigger.
The number of instances of 1769-IF4XOF2 depends on the 1769 CompactLogix and MicroLogix 1500 controller used. The supported number of modules may be maximized with the use of the same module or any combination however, the power supply distance rating must be observed. For CompactLogix, any instance of the module should be not be more than 8 modules away from the power supply.
The 1769-IF4XOF2 compact 8-bit low-resolution analog I/O module by Allen-Bradley is an I/O module with Four (4) analog input points and Two (2) analog output points. It has 4 single-ended analog inputs with a maximum operational Voltage range of 0 to 10.5 Volts DC and Current range of 0 to 21 mA. It uses a successive approximation converter type with 8-bit plus sign maxim resolution and 5 milliseconds of response speed per channel. It has 30 Volts AC/30 Volts DC operational voltage with a common mode voltage (CMD) of 10 Volts DC per channel and common mode rejection of 60db at 60 Hertz and 1 Volt between inputs. The 1769-IF4XOF2 has a nominal input impedance of 150 kiloohms at the voltage terminal and 150 Ohms at the current terminal.
The 1769-IF4XOF2 has an input accuracy of +/-0.7% at the voltage terminal and +/-0.6% at the current terminal and an operational accuracy drift of +/-0.006% per degrees Celsius at both the current and the voltage terminals. It has +/-0.4% input non-Linearity and +/-0.4% repeatability. The 1769-IF4XOF2 also has 2 single-ended 0 to 10.5 Volts DC and 0 to 21 mA outputs with a maximum current load of 10 mA. The output point uses a resistor string converter with a resolution of 8-bit always plus sign, and a channel response speed of 0.3 milliseconds through rated resistance and 3.0 milliseconds through rated capacitance. It has a maximum resistive load per current output of 300 ohms and a maximum resistive load per voltage output of >1 k? at 10 Volts DC. The outputs have an overall accuracy of +/-0.5% full scale with an accuracy drift of +/-0.01% full scale per degree Celsius on both terminals. It has an LED indicator to display the module’s and carries c-UL and CE certifications for safe operation. The 1769-IF4XOF2 weighs approximately 290 grams (0.64 pounds) and measures 118x 87x 35 millimeters.
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| Manufacturer | Rockwell Automation / Allen-Bradley |
| Brand | Allen-Bradley |
| Product Type: | Analog Input Module |
| Part Number/Catalog No. | 1769-IF4XOF2 |
| Product Line | CompactLogix |
| No. of Inputs: | 4 inputs; Differential or Single Ended |
| Module Type | Analog Input/Output Combo Module |
| Input Type | Analog Input |
| Number of outputs: | 2 Single ended |
| Power Supply Distance rating: | 8 |
| Communication Cable | 4 Point |
| Input / Output current range: | 0-21 mA |
| Shipping Weight | 2 pounds |
| Current signal normal ranges: | 0-20mA; 4-20 mA |
| Shipping Dimensions | 8 x 8 x 5 inches |
| Current signal full range: | 0-21 mA; 3.2 – 21 mA. |
| Series | A and B |
| Input / Output voltage range: | 0-10.5VDC |
| Voltage signal normal ranges: | ±10V DC, 0 …10V DC, 0…5V DC, 1…5V DC |
| Inputs | 4 Isolated Differential |
| Voltage signal full range: | ±10.5V DC, -0.5…10.5V DC, -0.5…5.25V DC, 0.5…5.25V DC |
| Converter Type | Delta Sigma |
| Compatible Controllers: | CompactLogix / MicroLogix 1500 |
| Replacement Terminal Block | 1769-RTBN18 |
| Resolution: | 8 bits plus sign (Sign is always positive) |
| Wire Type | Copper-90 degrees Celsius |
| Wire Size (Solid) | 22-14 AWG |
| Channel Diagnostics: | Over- or under-range by bit reporting, process alarms |
| Slot width: | 1 |
| UPC | 10612598286215 |
| Recommended cable: | Belden™ 8761 (shielded) |
| UNSPSC | 32151705 |
| Dimension: | 118 mm (height) x 87 mm (depth) x 35 mm (width) [52.5 mm (width) for 1769-IF8] Height including mounting tabs is 138 mm 4.65 in (height) x 3.43 in (depth) x 1.38 in (width) [2.07 in (width) for 1769-IF8] Height including mounting tabs is 5.43 in |