Description
Description: 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.
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 |
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).
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