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1785-ME64

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The 1785-ME64 module is an Allen-Bradley/Rockwell Automation memory module from the PLC 5 series. It can store 64K words of data at a time. The 1785-ME64 memory module is an EEPROM or Electrically Erasable Programmable Read Only Memory module that can have its data erased and reprogrammed or rewritten several times. It can be used in applications with power supply voltage ratings that are higher than normal. The 1785-ME64 memory module can withstand 30 g of maximum operating shock and 50 g of maximum non-operating shock.

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Technical specifications for 1785-ME64

Manufacturer	Rockwell Automation
Brand	Allen-Bradley
Part Number/Catalog No.	1785-ME64
Module Type	Memory Device
Memory Size	64 Kilowords
Description	EEPROM
Function	Program Backup
For This Product	Standard PLC-5 Processors
Number of Words	6 Kilowords SRAM
Backplane Requirement	2.5 Amperes at 5 Volts DC
Max Analog I/O	3072
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	93
Max I/O Chassis Extended Local	0
Max I/O Chassis Universal Remote	32 Max. Per I/O Link
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 1785-ME64 is a PLC 5 Memory Device Module. The 1785-ME64 has a memory size of 64K words. The Maximum I/O Chassis Universal Remote of this module is 32 per I/O Link. The maximum number of analog I/O of this module is 3072. The Backplane Current of this module is 2.5 A at 5V DC. The Allen-Bradley 1785-ME64 can be used as a Backup module. This module comes with a Control Coprocessor Expansion Port. Remember to switch power off before removing or inserting this module. If you remove or install the module with the power switched on, an electrical arc may happen, and this electrical arc can cause injury and excessive wear to the contacts on the module and its mating connector. Worn contacts may create electrical resistance and this may reduce the product’s reliability. The Allen-Bradley 1785-ME64 is an Electrically Erasable Programmable Read-Only Memory (EEPROM) module. This module is user-modifiable read-only memory (ROM) which can be erased and reprogrammed (written to) repeatedly through applications with a higher-than-normal power supply voltage. The operating temperature of the 1785-ME64 is 0-60 °C (32-140 °F) and the storage temperature is -40-85 °C (-40-185 °F). The relative humidity is 5-95% without condensation. The Allen-Bradley 1785-ME64 has an operating shock of 30 g (3 pulses, 11 ms) and the nonoperating shock is 50 g (3 pulses, 11 ms).