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The 1775-SR is an I/O scanner module designed by Allen Bradley within the PLC 3 series. It interfaces with RS-232-C channels, supporting 2048 input and output points while maintaining a communication rate of 57.6 or 115.2 kbaud. With a self-test indicator for operational verification, this module also features a 25-pin D-shell configuration connector. |
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Manufacturer |
Allen Bradley |
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Product Type |
PLC I/O Scanner Module |
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Product Line |
PLC 3 |
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Part Number |
1775-SR |
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Weight |
5.00 lbs (2.27 kg) |

Technical specifications
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Compatible Channel |
RS-232-C |
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Number of Terminals |
4 Terminals |
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Indicator Type |
Self Test Indicator |
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Configuration Connector |
D-Shell Connector |
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Number of Configuration Connector Pins |
25 Pins |
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Input Capacity |
2048 Inputs |
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Output Capacity |
2048 Outputs |
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Communication Rate (I/O Channel) |
57.6 or 115.2 kbaud |
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Operating Temperature |
0°C to 40°C |
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Storage Temperature |
-40 to 85°C |
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Relative Humidity |
5 to 95% (non-condensing) |
Features
|
Feature |
Description |
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High I/O Capacity |
Supports up to 2048 inputs and 2048 outputs for large-scale automation systems |
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RS-232-C Communication |
Provides reliable communication compatibility with industrial devices |
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Fast Data Transmission |
Supports communication rates of 57.6 and 115.2 kbaud |
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Built-in Self-Test Indicator |
Simplifies troubleshooting and system diagnostics |
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Easy Configuration |
Equipped with a 25-pin D-shell connector for convenient installation |
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Industrial Durability |
Designed for demanding industrial environments |
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Wide Humidity Tolerance |
Operates reliably in 5% to 95% non-condensing humidity |
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Flexible Temperature Range |
Supports operating temperatures from 0°C to 40°C |
FQA
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Questions |
Answer |
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What is the primary function of the 1775-SR module? |
The 1775-SR functions as a PLC-3 I/O scanner module used for managing communication between remote I/O devices and PLC systems. |
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What communication interface does the 1775-SR use? |
The module uses an RS-232-C compatible communication interface for reliable industrial connectivity. |
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How many inputs and outputs can the 1775-SR support? |
The module supports up to 2048 inputs and 2048 outputs for extensive data management. |
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What are the supported communication speeds of the 1775-SR? |
The module supports communication rates of 57.6 kbaud and 115.2 kbaud. |
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What environmental conditions can the 1775-SR withstand? |
The 1775-SR operates in temperatures from 0°C to 40°C and supports humidity levels from 5% to 95% non-condensing. |
24-hour online waiting
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