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1785-L40C
Rockwell Disclaimer: The product is used surplus. PDF 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 PDF 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, PDF 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. PDF 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. PDF Supply also makes no representations as to your right to install any such firmware on the product. PDF 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.
PDF Supply is NOT an authorized distributor for this manufacturer and therefore the manufacturer’s warranty does not apply. Product comes with PDF Supply's 1-year, 2-year, or 3-year warranty.
Other Available Revisions for the 1785-L40C 1785-L40C//A1785-L40C//B1785-L40C//C1785-L40C//D1785-L40C//E
Common misspellings:
- l785-L40C
- 17b5-L40C
- 1785-140C
- 1785-LA0C
- 1785-L4oC
- 1785L40C
The 1785-L40C is a PLC-5 controller manufactured by Allen-Bradley. This controller has various ports which includes a 25-pin D Serial port which supports the EIA RS-232C and RS413 devices and it is RS-422A compatible. The controller has indicators to display the status of the controller systems. The BATT indicator indicates the battery status, and it turns red when the battery is low. The PROC indicator is green when running and red when there is a problem. The FORCE indicator is amber when the I/O forces are enabled and the COMM indicator is green when the channel is communicating on the COM port. Users can install the memory module and the battery in the controller module. The 1785-L40C draws a backplane current of 3.3 Amps at 5 Volts DC.
The maximum user memory is 48KB and it has a 48K word SRAM. The controller also has a mini 8-pin DIN connector for programming and a 3-pin default DH+ port. The controller is built to be operated at an ambient temperature of 0 to 60 degrees Celsius in a non-condensing humid environment having a humidity range between 5 and 95%. The 1785-L40C can withstand an operating shock of 30G and it weighs 1.42 Kg. The 1785-L40C has a program backup option using an EEPROM. The maximum total I/O for the 1785-L40C is 2048 which includes any mix of inputs and outputs. It also has a battery-backed static RAM. The 1785-L40C also has a RJ45 connector ControlNet Network Access port. The controller is UL, CE, CSA, and C-tick certified as per the regulations.
