![]() ![]() The SLC 501 has a battery-backed EEPROM RAM with a backup memory. The RSLogix offers functionality and communication which are both powerful and reliable. This software works only on Microsoft Operating systems. The SLC 501, like the rest of the SLC 500 series, is programmable through the RSLogix 500 software. The processor to processor communication is done by the node on the other end. ![]() The SLC 501 uses a DH-485 port for programming. The SLC 501 processor can handle modular controllers with a maximum of 960 I/O and instruction memory capacity between 1-4K. Users have the option to choose from either the 3 AC power supply or the 4 DC power supply. This power supply must be fixed on the 1746-I/O chassis on the left side. An external power supply is required to power the SLC-501. As a bonus, it has a 2-slot chassis for expansion capabilities. The fixed controller hardware option leverages the flexibility offered by its modular counterpart by housing the I/O, power supply and the processor under one roof. The modular hardware option offers flexibility through its wide range of power supply, processor, and I/O choices. A benefit of the SLC 500 family is the capability to choose from modular or the fixed controller hardware options. In the SLC 500 category, processors offer a wide range of functionality. The Allen-Bradley SLC 501 processor falls under the Small Logic Controllers(SLC) 500 family.
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