Allen Bradley 1756-CMS1B1 is a FlexI/O analog input module that belongs to the AB Rockwell 1756 series PLC module and is manufactured by Allen Bradley. This module has eight (8) voltage/current single-ended input channels that can receive analog signals such as 0-20mA and 4-20mA. It is compatible with FlexI/O communication adapters and is installed on terminal bases such as 1794-TB3G or 1794-TB3GS. Its operating voltage is 24V.
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Model Number |
Allen Bradley 1756-CMS1B1 |
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Input signal range |
Supports 0-20mA and 4-20mA analog signal ranges |
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Resolution |
16-bit unipolar, 15-bit bipolar |
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Accuracy |
0.1% full scale @ 20°C (68°F), accuracy drift with temperature is 0.05% full scale in the 0°C to 55°C temperature range |
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Power supply voltage |
Rated voltage is 19.2 to 31.2 VDC, with a nominal external DC supply current (at 24 VDC) of 295 mA1 |
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Power consumption |
At 31.2 VDC, the maximum power consumption is 3.9W and the maximum heat dissipation is 13.5 BTU/hour |
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Operating temperature |
-20 to 55 degrees Celsius, non-operating temperature -40 to 85 degrees Celsius |
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Vibration and shock |
Operating vibration 2g at 10 to 500 Hz, operating and non-operating shock 15g |
The shell of Allen Bradley 1756-CMS1B1 is sturdy, but the most vulnerable parts are the SERCOS optical fiber interface on the side and the precise electronic components inside. When packaging, we will use custom foam blocks to provide focused protection on its sides to ensure that the optical fiber interface will not be subjected to any impact or compression. Meanwhile, we will put it in an anti-static sealed bag to prevent static damage. We guarantee that the interface will be in good condition and function properly when it reaches you.
Allen Bradley 1756-CMS1B1 works in coordination with logic processors, I/O modules, etc. It communicates with the servo driver through the SERCOS interface, which is a high-speed, deterministic fiber ring network specifically designed for motion control. It does not handle logic itself but focuses on motion computing, working in collaboration with the main processor to significantly enhance the performance of the entire system. Finally, its configuration and programming are fully integrated in the Studio 5000 software, achieving a unified platform for logic control and motion control.
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