Allen-Bradley 1772-MJ Product Data Download Page 3

EEPROM Memory Module

Product Data

3

Avoid touching the recessed conductors of the connector. Static charge can
alter memory. Skin oil and dirt can can corrode metallic surfaces,
inhibiting electrical contact.

Insert the EEPROM module into the bottom of the Mini-PLC-2/05
processor using the following steps:

1.

Place the processor on a bench top with the battery label up.

2.

Hold the EEPROM module with the catalog label up.

3.

Slide the EEPROM module into the rectangular opening in the
bottom of the processor, taking care to align the rails on the
EEPROM module with the mating rails in the opening.

4.

Gently but firmly push the EEPROM module into the opening until
its bottom flange is flush with the bottom of the processor.

Remove the EEPROM module using the following steps:

CAUTION:  Do not remove EEPROM under power.

1.

Insert a coin or screwdriver blade into the opening between the
bottom flange of the EEPROM module and the bottom of the
processor.

2.

Pry the EEPROM module out far enough to grasp the bottom flange
with your fingers.

3.

Carefully remove the EEPROM module.

Handling the EEPROM 

Module

Installation

Removal

Summary of Contents for 1772-MJ

Page 1: ...MJ Product Data The EEPROM Electrically Erasable Programmable Read Only Memory Memory Module is a plug in module that provides Mini PLC 2 05 Processors cat no 1772 LS LSP with a back up memory figure...

Page 2: ...to ensure that data table values are not reset to their initial start up values after a power loss Self contained battery back up is a feature of Mini PLC 2 05 processors You can store an alternate p...

Page 3: ...angular opening in the bottom of the processor taking care to align the rails on the EEPROM module with the mating rails in the opening 4 Gently but firmly push the EEPROM module into the opening unti...

Page 4: ...cat no 1771 BB to the processor INTFC port using the Mini Processor Transport Cable cat no 1772 CD to guard against loss of memory when removing power from the processor 2 Turn off all power to the 17...

Page 5: ...FAULT indicator on the processor turns on and stays on Reset the fault by cycling power to the processor Check that you inserted the programming plug jumper on the EEPROM module Replace the EEPROM mod...

Page 6: ...ows the processor to unconditionally load its memory with EEPROM contents 7 Insert the processor into the I O chassis 8 Turn on power to the 1771 LSP processor or to the 1771 P3 P4 P5 power supply whe...

Page 7: ...ADQUARTERS Allen Bradley 1201 South Second Street Milwaukee WI 53204 USA Tel 1 414 382 2000 Telex 43 11 016 FAX 1 414 382 2400 As a subsidiary of Rockwell International one of the world s largest tech...

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