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Allen Bradley | PLC-5 | 1785-L80C15 | Image

Allen Bradley | PLC-5 | 1785-L80C15 | Image Allen Bradley | PLC-5 | 1785-L80C15 | Image

SKU 2174364  UPC 0799705796362

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The Allen-Bradley 1785-L80C15 is a processor module with an integrated ControlNet interface for PLC-5 programmable controllers. The module is installed in the left-most slot of a 1771 I/O chassis. The 1785-L80C15 provides 100K words of user memory and support for up to 3072 I/O (any mix) or 3072 inputs or 3072 outputs (complementary). The program scan time specifications for the bit logic are 0.5 milliseconds per K word and typically 2 milliseconds per K word. Memory modules compatible with the 1785-L80C15 include the 1785-ME32, the 1785-ME64, and the 1785-ME100. The modules for I/O which are compatible with the 1785-L80C15 include the 1771 I/O, 1791 I/O, 1746 I/O and the 1794 I/O.

The data transmission rate supported by the ControlNet interface on the 1785-L80C15 is 5 Mbps. Specifications for the NUT (Network Update Time) are 2 to 100 milliseconds (configurable). Without the use of repeaters, the ControlNet network supports up to 48 nodes per link, while the use of repeaters increases the supported number of nodes per link to 99. Remote I/O and DH+ interfaces on the 1785-L80C15 support the following I/O scan times per rack: 10 milliseconds at 57.6 kbps, 7 milliseconds at 115.2 kbps, and 3 milliseconds at 230 kbps. A serial port is also available on the processor module. The 1785-L80C15 draws 3.3 Amps of current at 5 Volts DC from the chassis backplane. The heat dissipated during operation is 59 BTU/hour. The working temperature range is from 32 to 140 degrees Fahrenheit and the storage temperature range is from -40 to 185 degrees Fahrenheit. The module requires 5 to 95% relative humidity for optimal performance. The weight of the 1785-L80C15 module is 3 pounds.

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