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1762-IR4
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Product Description
The Allen-Bradley 1762-IR4 is a MicroLogix RTD and Resistance Input module. This expansion I/O module has Four (4) RTD channels compatible for RTD Type 100½ Platinum 385, 200½ Platinum 385, 500½ Platinum 385, 1000½ Platinum 385100½ Platinum 3916, 200½ Platinum 3916,500½ Platinum 3916, 1000½ Platinum 3916, 10½ Copper 426, 120½ Nickel 672, 120½ Nickel 618, and 604½ Nickel-Iron 518 and resistance signals of 0 to 150½, 0 to 500½, 0 to 1000½, and 0 to 3000½. This module is compatible with MicroLogix 1100, MicroLogix 1200 and MicroLogix 1400 product family.Other Available Revisions for the 1762-IR4 1762-IR4//A
Common misspellings:
- l762-IR4
- 1762-1R4
- 1762-lR4
- 1762-IRA
- 1762IR4
Technical Specifications for 1762-IR4
| Manufacturer: | Rockwell Automation / Allen-Bradley |
|---|---|
| Brand: | Allen-Bradley |
| Product Type: | RTD / Resistance Input Module |
| Product Family: | MicroLogix I/O |
| Part Number: | 1762- IR4 |
| No. of Inputs: | 4 |
| Sensors supported: | 100½ Platinum 385, 200½ Platinum 385, 500½ Platinum 385, 1000½ Platinum 385100½ Platinum 3916, 200½ Platinum 3916,500½ Platinum 3916, 1000½ Platinum 3916, 10½ Copper 426, 120½ Nickel 672, 120½ Nickel 618, and 604½ Nickel-Iron 518. |
| Resistance signals: | 0 to 150½, 0 to 500½, 0 to 1000½, and 0 to 3000½. |
| Compatible Controllers: | MicroLogix 1100; MicroLogix 1200; MicroLogix 1400 |
| Current draw @ 5.1V: | 40 mA |
| Current draw @ 24: | 50 mA |
| Heat dissipation, max: | 1.5W |
| Nonlinearity: | ±0.05% |
| Repeatability (50/60 Hz filter): | ±0.01 ¡C (0.018 ¡F) for Ni and NiFe ±0.2 ¡C (0.36 ¡F) for other RTD inputs ±0.04 _ for 150 __resistances ±0.2 __for other resistances |
| Channel Diagnostics | Over- or under-range or broken input by bit reporting |
| Calibration: | The module performs autocalibration on channel enable and on a configuration change between channels. You can also program the module to calibrate every five minutes |
About 1762-IR4
The 1762-IR4 is a MicroLogix analog expansion module that is used exclusive for Resistance Temperature Detectors (RTD) and devices that generates resistance input signals. This module is compatible for use with MicroLogix 1100, 1200 and 1400 controllers. It is built with a sigma-delta type analog to digital converter and saves the converted data to the moduleÕs image table. Up to Four (4) RTD or Resistance signals are capable of being wired to this module. This module accepts inputs signals from a variety of RTD types specifically RTD Type 100½ Platinum 385, 200½ Platinum 385, 500½ Platinum 385, 1000½ Platinum 385100½ Platinum 3916, 200½ Platinum 3916,500½ Platinum 3916, 1000½ Platinum 3916, 10½ Copper 426, 120½ Nickel 672, 120½ Nickel 618, and 604½ Nickel-Iron 518 and Resistance range of 0 to 150½, 0 to 500½, 0 to 1000½, and 0 to 3000½. As it supports RTD signal, this module is basically a module used in Temperature application. It may also be used to integrate signals measure displacement or movement of an device or equipment. This module supports 2 or 3-wire RTD while also compatible with 4-wire sensors hover, the Fourth sense wire is not used. This module also comes with configurable excitation current values with option values of 0.5mA and 1.0 mA. Additionally, this module is equipped with open circuit, short-circuit, over and under-range detection. The moduleÕs auto-calibration is performed whenever a moduleÕs channel is enabled or a configuration change is introduced. This may accomplished through the channel parameters of through a user program. The module is also provided with an easy to interpret LED indicators. When the LED is ON, the module is energized, passed the internal self-test and communicating over the MicroLogix bus. If the LED remains OFF, one of the conditions is not met. Basic operation of the module involves an internal self-test at power-up including its essential circuits, memory and basic functions. When power-up sequence is successfully carried out, the module checks for valid hardware configuration. If invalid configuration is detected, the module is capable of reporting and generating an error in relation to the hardware configuration. A properly configured module continuously converts input signal to digital format and saves the information to the input data file. If the data conversion is made without error, the converted data is enabled for use in the user program. The moduleÕs supported data formats are Raw / Proportional, Engineering Units, Engineering Units x10, Scaled for PID, and Percent Range. Engineering units has a maximum Raw value of 4096 counts, Engineering units x 10 has 16384, Scaled-for-PID has 8192 and Percent Range has 12288. Similar to other 1762 Expansion I/O modules, this module requires 2-inches clearance on all sides of the controller. Allowing proper air flow and module ventilation as this module dissipates heat of 1.5 Watts. Install an appropriate climate control such as a heater or cooler to improve ventilation and to manage internal temperature of the enclosure. Climate control device greatly depend on the environment conditions of local installation location.F.A.Q for 1762-IR4
| Q: 1. Does this module require physical calibration? | A: No, the 1762-IR4 has an internal autocalibration method. |
|---|---|
| Q: 2. What are the supported software Data Formats by this module? | A: The moduleÕs supported data formats are Raw / Proportional, Engineering Units, Engineering Units x10, Scaled for PID, and Percent Range. |
| Q: 3. What are the supported RTDs by this module? | A: Supported RTDs are RTD Type 100½ Platinum 385, 200½ Platinum 385, 500½ Platinum 385, 1000½ Platinum 385100½ Platinum 3916, 200½ Platinum 3916,500½ Platinum 3916, 1000½ Platinum 3916, 10½ Copper 426, 120½ Nickel 672, 120½ Nickel 618, and 604½ Nic |
PDFsupply Tech
The 1762-IR4 is a MicroLogix RTD and resistance input module. This module is dedicated to accept resistance signals and especially designed for Temperature applications. This module enables direct integration of RTD devices, without the need of a transmitter. This module also support a wide variety of RTD sensors thus, making this module a practical and cost-effective add on in measuring Temperature.
