Memory Size
|
16 Kwords
|
Module Type
|
Memory module
|
Part Number/Catalog No.
|
1785-ME16/A
|
Write protection
|
Removable jumper
|
Removal and Insertion Under Power (RIUP):
|
No
|
Compatible Processors, Ethernet:
|
PLC-5/20E; PLC-5/40E and PLC-5/80E
|
Weight:
|
85.05 g (3 oz)
|
Operating Temperature
|
0° to 60° C (32° to 140° F)
|
Storage Temperature
|
-40° to 85° C (-40° to 185° F)
|
Relative Humidity
|
5 to 95% (without condensation)
|
Operating
|
15 g peak acceleration at 11 ms duration
|
Non-operating
|
3 g peak acceleration at 11 ms duration
|
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
|
The 1785-ME16/A PLC Memory Device is a 16K-word EEPROM memory module designed for use with programmable logic controllers (PLCs). It features user-modifiable ROM that can be erased and reprogrammed multiple times. This module is typically used as a backup device, providing non-volatile memory to prevent the loss of the user program if the primary memory is erased.
The operating temperature range of the module is 0-60°C (32-140°F), and the storage temperature range is -40-85°C (-40-185°F). The module also supports a relative humidity range of 5-95% without condensation. It can withstand 30.0 g of shock during operation (3 pulses, 11 ms), and up to 50.0 g of shock in non-operating conditions (3 pulses, 11 ms).
Additionally, the module complies with EMC standards such as EN 50081-2, which covers generic emission standards for industrial environments.
For installation, the module must be inserted into a powered-down processor, as removal or insertion under power may cause damage or lead to the erasure of its contents. The module can be configured to automatically load the user program at every processor startup, ensuring that the system remains operational even after a program loss.
This memory module is compatible with enhanced PLC processors like the PLC-5/11, PLC-5/20, PLC-5/30, PLC-5/40, and others, as well as Ethernet-enabled PLC processors like the PLC-5/20E, PLC-5/40E, and PLC-5/80E.
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