SBC PCD1 Series Manual page 58

Saia-Burgess Controls AG
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:
PCD1.M125/M135
Jumper
J1 (Memory type)
J2 (write-protection)
J4 (memory size <= 1 MBit
or > 1 MBit)
1) Jumper position on delivery: RAM, write-protection deactivated, memory size ≤ 1 Mbit
2) Write-protection only affects the chip in the USER PROG socket
4) Modify the hardware configuration in PG5 accordingly, and download the new
configuration
Manual Manual PCD 1 / PCD 2 Series │ D ocument 26 / 737 EN22 │ 2 013-11-26
RAM
EPROM
Flash-EPROM
Write protection activated
(only works for RAM and Flash-
EPROM)
Write protection deactivated
Memory size > 1 MBit
Memory size <= 1 MBit
CPUs and expansion housings
Expansion of user memory
J1
J2
J4
Position
left; R
1)
right; E/F
right; E/F
2)
up; WP
2) 1)
down
2)
up >1MB
1);
down
3
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