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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for 1756-RM
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Product Model1756-RM
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Product ParametersEnhanced Redundancy Module
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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Estimated Shipping Size21x15x1.5cm
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ManufacturerAllen-Bradley
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Weight0.04 kg
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Connector typeLC-type
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Cable type8.5/125 µm single-mode fiber-optic cable
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Channels1 (transmit and receive fiber)
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Length, max10 km (10,000 m, 10,936.13 yd)
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Transmission1000 Mbps
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Wavelength1310 nm
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Temperature, operating0…60 °C (32…140 °F)
Description
The Allen-Bradley 1756-RM is a ControlLogix enhanced redundancy module. It is part of the Programmable Automation Controller (PAC) which is used to implement controller redundancy. It comes with One (1) LC Fiber optic single mode connector and module status LED such as PRI, COM and OK, indicating the health of the system redundancy as well as module operation.
Revisions
Revision Part #
Also known as
Alternative Names
1756RM
I756-RM
I756RM
Information
Overview
Manuals
Engineering Considerations
Product Applications
Physical Installation Steps
Features:
- Single-Slot Chassis Mounting in Any Available Position
- 100 Mbps Fiber Optic Synchronization via LC Connector
- Redundancy System Monitoring with LED Display
- Wide Controller and Chassis Compatibility
- Multiple International Certifications
- 9W Power Dissipation with 31 BTU/hr Thermal Output
The 1756-RM has been released as Series A and B. Series is basically an enhancement of the previous series however, a 1756-RM with different series can co-exist in one redundant configuration. It is highly recommended to have the same series installed to achieve maximum operability of the redundancy setup. When used with the same series of redundancy module, speed of 100 Mbps is achieved.
The 1756-RM comes with One (1) single mode LC fiber optic connector. It requires use of the 1756-RMCx redundancy cable to synchronize the operation of the redundant controller pair. This controller may be configured using the redundancy configuration tool for setting up the redundancy and Studio 5000 Logix designer for configuring the overall parameters of the module.
The 1756-RM Allen-Bradley ControlLogix Redundancy module may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen-Bradley 1756-RM ControlLogix Redundancy module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The Allen-Bradley 1756-RM has an embedded LED display. The LED display on the Allen-Bradley 1756-RM includes PRI, COM, and OK indicators. These indicators on the Allen-Bradley 1756-RM provide redundancy system monitoring and module health monitoring. The Allen-Bradley 1756-RM has an open enclosure type. The Allen-Bradley 1756-RM has IEC temperature code T4.
The Allen-Bradley 1756-RM draws 4 mA at 1.2 VDC, 1.2 A at 5.1 VDC, and 120 mA at 24 VDC. The power dissipation of the Allen-Bradley 1756-RM is 9 watts. The thermal dissipation of the Allen-Bradley 1756-RM is 31 BTU per hour. The operating temperature range of the Allen-Bradley 1756-RM is 0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit). The storage temperature range of the Allen-Bradley 1756-RM is -40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit).
- Oil, Gas, and Petrochemical Refining:Uninterrupted tracking: pressures & toxic gas flow
- Water and Wastewater Management:Non-stop chemical purification & supply pressures
- Power Generation and Electrical Utilities:Governor & grid-sync stay online during local issues
- Chemical Manufacturing:Thermal stabilization prevents runaway reactions/spoilage
- Pulp, Paper, and Printing Mills:Prevents web-snaps & re-threading
- Metals, Mining, and Material Extraction:Prevents liquid metal solidifying in infrastructure
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Mount the Modules: Align the circuit board of the 1756-RM module with the top and bottom chassis plastic card guides. Slide the module firmly backward until it snaps flush against the backplane connector locking tabs.
Verify Module Coexistence: Remember that you cannot mix legacy 1756-RM/A or B modules with newer 1756-RM2 modules within the same chassis pair.
Install SFP Transceivers (For RM2/RM3): Ensure each Small Form-factor Pluggable (SFP) fiber-optic transceiver matches the type used on the other end of the cable link.
Technical notes
The 1756-RM redundancy module by Allen-Bradley/Rockwell Automation is available through the ControlLogix product series and it is a chassis-based component used across different industries. The unit features a current draw of 4 milliAmps at 1.2 Volts DC, 1.2 Amps at 5.1 Volts DC, and 120 milliAmps at 24 Volts DC. The unit weights only 0.29 kilograms or 0.64 pounds.
FAQs
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Can the 1756-RM module be replaced with newer models?
+Yes, the 1756-RM has been succeeded by the 1756-RM2 and 1756-RM3 modules. When migrating from an older 1756-RM/B module to a 1756-RM2, a firmware upgrade via the Redundancy Module Configuration Tool (RMCT) is required. You cannot mix older 1756-RM series modules with RM2 or RM3 models in the same synchronized system. -
What fiber-optic cables are compatible with the module?
+The module requires dedicated 1756-RMCx fiber-optic cables for cross-loading data between the primary and secondary chassis. Compatible versions include the 1756-RMC1 (1 m), 1756-RMC3 (3 m), and 1756-RMC10 (10 m). -
What cables connect two 1756-RM modules?
+They connect via dedicated fiber-optic communication cables. Supported options include the 1756-RMC1 (1 meter), 1756-RMC3 (3 meters), and 1756-RMC10 (10 meters). -
What software configurations modify advanced parameters?
+Advanced settings require the Redundancy Module Configuration Tool (RMCT). The tool can be accessed directly through software like RSLinx by right-clicking the module
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