Saia-Burgess Controls AG
Manual
Manual PCD 1 / PCD 2 Series
│ Document 26
/
737 E
N22 │ 2013-11-26
CPUs and expansion housings
3-39
Expansion of user memory
3
Steps in the correct installation of extended user memory:
1) Switch off power supply and remove the cover of the PCD1
2) Plug the additional memory chip into the “USER PROG” socket.
Ensure correct alignment (markings on the socket and the chip must match), and
ensure that all pins on the chip are inserted into the socket
3) Set the jumper next to the socket correctly:
J3
J1
R E
WP
USER PROG
Jumper
J1 (memory type)
RAM
EPROM
Flash EPROM
Position
R
1)
E
E
J3 (write-protec-
tion)
Write protection
for
extension memory
deactivated
Write protection
for
extension memory
activated
(only works with RAM
and Flash EPROM)
beneath
1)
WP (up)
1) Jumper position on delivery: RAM, write protection deactivated
4) Modify the hardware configuration in PG5 accordingly, and download the new
configuration
