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Summary of Contents for Allen-Bradley 1738-IR2M12
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Page 1: Table Of Contents
Installation Instructions ArmorPOINT RTD and Thermocouple Input Modules Catalog numbers 1738-IR2M12, 1738-IT2IM12, Series A Table of Contents Topic Page Important User Information Environment and Enclosure Preventing Electrostatic Discharge About the Module Mount the I/O Base Install the Module Remove the Module from the Mounting Base... -
Page 2: Important User Information
2 ArmorPOINT RTD and Thermocouple Input Modules Important User Information Solid-state equipment has operational characteristics differing from those of electromechanical equipment. Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls (Publication SGI-1.1 available from your local Rockwell Automation sales office or online at http://www.rockwellautomation.com/literature/) describes some important differences between solid-state equipment and hard-wired electromechanical devices. -
Page 3: Environment And Enclosure
ArmorPOINT RTD and Thermocouple Input Modules Environment and Enclosure ATTENTION: This equipment is intended for use in overvoltage Category II applications (as defined in IEC 60664-1), at altitudes up to 2000 m (6562 ft) without derating. This equipment is considered Group 1, Class A industrial equipment according to IEC/CISPR 11. -
Page 4: About The Module
Note that environmental requirements other than IP67 may require an additional appropriate housing. I/O connectors are sealed M12 (micro) style. The mounting base ships with the module. The 1738-IR2M12 module is shown here. -
Page 5: Mount The I/O Base
ArmorPOINT RTD and Thermocouple Input Modules Mount the I/O Base Mount the I/O base on a wall or panel, using the screw holes provided in the base. The module must be mounted on a grounded metal mounting plate or other IMPORTANT conductive surface. -
Page 6: Install The Module
6 ArmorPOINT RTD and Thermocouple Input Modules Install the Module Follow the instructions to install the ArmorPOINT input module. 1. Using a bladed screwdriver, rotate the keyswitch on the mounting base clockwise until the number 6 aligns with the notch in the base. 2. -
Page 7: Wire The Module
ArmorPOINT RTD and Thermocouple Input Modules Wire the Module Follow the wiring instructions for the ArmorPOINT input modules. 1738-IR2M12 (View into connector) Pin 1 No connect Pin 2 Input 0A (M12-A) Input 1A (M12-B) Pin 3 Input 0C (M12-A) Input 1C (M12-B) -
Page 8: Communicate With The Module
The ArmorPOINT thermocouple I/O input module produces 8 Bytes of input data (scanner Rx – status) and fault status data. They do not consume I/O data (scanner Tx). Default Data Map – 1738-IR2M12 Message size: 6 Bytes 15 14 13... - Page 9 ArmorPOINT RTD and Thermocouple Input Modules Default Data Map – 1738-IT2IM12 Message size: 6 Bytes 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Produces Input channel 0 high byte Input channel 0 low byte (scanner Rx) Input channel 1 high byte Input channel 1 low byte...
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Page 10: Interpret Status Indicators
This module has the following indicators: • Adapter, DeviceNet and POINTBus status indicators • System and Adapter power indicators • Individual I/O status indicators for inputs and outputs 1738-IR2M12 Module status indicator Network status indicator I/O status indicator RTD 0 RTD 1 43780... - Page 11 ArmorPOINT RTD and Thermocouple Input Modules Indicator Status for Modules Status Description Network status Off Device is not online: - Device has not completed dup_MAC-id test. - Device not powered – check module status indicator. Flashing green Device is online but has no connections in the established state. Green Device is online and has connections in the established state.
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Page 12: Specifications
Inputs per module 1738-IR2M12 – 2 single-ended, nonisolated 1738-IT2IM12 – 2 differential, individually isolated Resolution 1738-IR2M12 – 16 bits, 9.5 mV/cnt, 0.03 °C/cnt (Pt385 @ 25 °) 1738-IT2IM12 – 15 bits plus sign, 2.5 mV/cnt Thermocouple type (and 1738-IT2IM12 only... - Page 13 104.8 Hz @ Notch = 400 Hz 125.7 Hz @ Notch = 380 Hz Data format Signed integer Maximum overload 1738-IR2M12 – No input protection 1738-IT2IM12 – Input not overvoltage protected Includes offset, gain, non-linearity and repeatability error terms Publication 1738-IN005B-EN-E - January 2013...
- Page 14 14 ArmorPOINT RTD and Thermocouple Input Modules General Specifications Attribute Value Mounting base screw torque M4 (#8) screw, 0.85 Nm (7.5 lb-in.) in aluminum, 1.8 Nm (16 lb-in.) in steel Calibration Factory-calibrated POINTBus current 1738-IR2 – 220 mA @ 5V DC 1738-IT2I –...
- Page 15 ArmorPOINT RTD and Thermocouple Input Modules Environmental Specifications Attribute Value Vibration IEC60068-2-6 (Test Fc, Operating): 5 g @ 10…500 Hz Shock, operating IEC60068-2-27 (Test Ea, Unpackaged Shock): 30 g Shock, nonoperating IEC60068-2-27 (Test Ea, Unpackaged Shock): 50 g Emissions Emissions CSPR 11: Group 1, Class A ESD immunity IEC 61000-4-2:...
- Page 16 RA-DU002, available at http://www.rockwellautomation.com/literature/. Allen-Bradley, Rockwell Automation, ArmorPOINT, and TechConnect are trademarks of Rockwell Automation, Inc. Trademarks not belonging to Rockwell Automation are property of their respective companies. Publication 1738-IN005B-EN-E - January 2013 Supersedes Publication 1738-IN005A-EN-E - June 2004 Copyright ©...
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