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Allen Bradley PLC 5 1785-CH0RAPM1

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1785-CH0RAPM1

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The Allen-Bradley/Rockwell Automation 1785-CH0RAPM1 paging modem is a PLC 5 series single remote access paging modem. Up to 4 of these paging modems can be installed in the same PLC 5 computer or machine system. The 1785-CH0RAPM1 single remote access paging modem can be used to access the PLC 5 computer or machine system remotely to collect system data and to check its operating status. It also makes it possible for the PLC 5 system to send alarms and messages to cell phones and pagers. The 1785-CH0RAPM1 single remote access paging modem requires 0.6 Amps of backplane current at 5 Volts DC.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 1785-CH0RAPM1

ManufacturerAllen Bradley
CategoryPLCs
Product LinePLC 5
Part Number1785-CH0RAPM1
Weight10.00 lbs (4.54 kg)
Module TypeSingle Remote Access Paging Processor
Backplane Requirement0.6 Amperes at 5 Volts DC
DH+/RIO Interface2
Bus CommuncationsLocal PCI 2.3 Compliant
LEDs1 Diagnosis/Status Per Channel
Max Modules Per System4
CoatingConformal Coat
Required External PowerNone
Typical AC Signal Delay (Off)29 (+/- 8) ms
Typical DC Signal Delay (Off)30 (+/- 7) ms
Wiring Arm1771-WN
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The Allen-Bradley 1785-CH0RAPM1 Remote Access Paging Modem is part of the PLC 5 series. It allows a single user to remotely access the PLC 5 to collect data and check the system’s status.

The 1785-CH0RAPM1 modem also allows the PLC to send alarms and system status messages to cell phones and pagers. Over 250 alarms with user-defined text messages can be sent to keep plant managers updated regarding production and to notify them of problems. The 1785-CH0RAPM1’s other features include customizable text messages, support for up to 16 pages, text messages that are up to 100 characters long, alarms, and system diagnostic pages.

A maximum of four 1785-CH0RAMP1 modems can be supported by each system. The modem weighs 0.3 pounds. Its power requirement is 0.6 A at 5V DC. The modem provides 2 DH+ / RIO (Data Highway Plus / Remote Input Output) interfaces and 1 status LED per communication channel.

The 1785-CH0RAPM1 has a conformal coating and does not need an external power source. You can wire the modem with the Allen-Bradley 1771-WN wiring arm. The 1785-CH0RAPM1 modem weighs 0.3 lbs. and its shipping dimensions are 4.5 x 12.4 x 6.3 inches.

Revision Part #Also known as
1785-CH0RAPM1 Ser A1785-CH0RAPM1/A, Series A, Rev A
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