Rockwell Automation 1771-DB BASIC MODULE User Manual
Page 57
Chapter
Installing and Replacing Components
3
3 -5
To install your optional memory module:
Refer to this table when installing your memory module.
Catalog number
Size
Carrier
Socket
JW2: PROM circuitry
JW3: CPU speed
1771-DBMEM1
1771-DBMEM2
8K byte EEPROM
32K byte EEPROM
yes
yes
SKT1
SKT1
top
either
turbo shown for
optimum performance
1747-M1
1747-M2
1747-M3
8K byte EEPROM
32K byte EEPROM
8K byte EPROM
yes
yes
yes
SKT1
SKT1
SKT1
top
normal
1747-M4
32K byte EPROM
yes
SKT1
bottom
normal
PN 940654-02
PN 940654-03
32K byte EPROM
32K byte EPROM
no
no
SKT2
SKT2
bottom
normal
1.
Unpack the memory module and check the contents of the package.
If any items are missing, contact your local Allen-Bradley office.
2.
Remove the BASIC module from the I/O chassis. If you need further
instructions to complete this step see page 3 -2.
3.
Disassemble the BASIC module to gain access to the memory
module sockets. If you need further instructions to complete this
step, see page 3 -3.
ATTENTION: Electrostatic discharge can damage integrated
circuits or semiconductors in the module of you touch
backplane connector pins. Wear a wrist-strap grounding device
and use a static-safe workstation, if available.