Hardware Manual

Hardware Manual PCD 1 / PCD 2 Series│Document 26 / 737│Edition EN 15│2008-07-22

Saia-Burgess Controls AG

Expansion of user memory

CPUs and expansion housings

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:

J 3

J 1

R E

WP

USER PROG Jumper

J1 (memory type) RAM

EPROM

Flash EPROM

Position

R1)

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)

beneath1)

WP (up)

1) Jumper position on delivery: RAM, write protection deactivated

4) Modify the hardware configuration in PG5 accordingly, and download the new

configuration