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PLC-5-20

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The Allen-Bradley/Rockwell Automation PLC-5-20 module is a PLC 5 series industrial processor module. At 5 Volts DC voltage, this processor supports a backplane current rating of 2.3 Amps. The PLC-5-20 processor module comes with battery-backed static RAM and 16 kilowords of user memory, but no protected memory. This processor is equipped with a control coprocessor expansion port. The PLC-5-20 processor module supports DH+ connections and Remote I/O connections for communication.

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Technical specifications for PLC-5-20

Manufacturer	Rockwell Automation
Brand	Allen-Bradley
Part Number/Catalog No.	PLC-5-20
Module Type	Standard Processor
Cat Number	1785-L20B
Max User Memory Words	16 Kilowords
Battery-Backed Static RAM	Yes
EEPROM Program Backup Option (using 1785-ME16, -ME32, -ME64, and -M100)	Yes
Protected Memory	No
Max Total I/O	512 (any mix) or 512 in + 512 out (complementary)
Max Analog I/O	512
I/O Scan Time Per Rack	10 ms at 57.6 kbits/s, 7 ms at 115.2 kbits/s, 3 ms at 230.4 mbits/s
Max I/O Chassis Total	13
Max I/O Chassis Extended Local	0
Max I/O Chassis Universal Remote	12
RS-232-C/422-A/423- A Ports	1
Control Coprocessor Expansion Port	Yes

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.

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The Allen-Bradley PLC-5-20 is a PLC 5 Standard Processor. Its operating temperature is 0-60 °C (32-140 °F) and its storage temperature is -40-85 °C (-40-185 °F). If you keep this module in an area that has a temperature above or less than those temperatures, it will cause any damage to the module. The relative humidity of this module is from 5-95% without condensation. The Allen-Bradley PLC-5-20 has an operating shock of 30 g (3 pulses, 11 ms). The nonoperating shock is 50 g (3 pulses, 11 ms). The backplane current load of this module is 2.3 A. The maximum power dissipation of the PLC-5-20 is 12 W. This module has a maximum of 16K user memory words. The PLC-5-20 supports several industry standard programming languages. you can program in structured text, function blocks, sequential function charts, or logic ladders. This flexibility means you can maintain and solve program problems in the same language as you develop. The Allen-Bradley PLC-5-20 already has a built-in port that can be configured for Data Highway Plus (DH+) or Remote I/O connections. Remote I/O connections support real-time data exchange for I/O, operator interfaces, and other third-party devices. The DH+ connection supports remote programming and information access. This module is also a peer-to-peer communication between PLC-5, other controllers, and devices. The PLC-5-20 has Radiated RF immunity of 10 V/m with 1 kHz sine-wave 80% AM from 30-2000 MHz and 1 V/m with 1 kHz sine wave 80% AM from 2000-2700 MHz.