Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 12│2014-07-24
Saia-Burgess Controls AG
Memory module PCD3.R600 for flash cards (FCs)
PCD2.M5_ Classic CPUs and expansion housings
3-46
3
3.13.4 Displays and switches
The memory module is fitted with 3 LEDs:
LED
Meaning
Diag
The diagnostic LED is turned on when the SD card is not “visible” (eg SD
card is not formatted with FT16, poor “boot sector”, or poorly plugged in).
Once the SD card is inserted properly, it can take 5 seconds until the LED
goes out
Busy
Do not remove module when this LED is on.
Act
Works as with a hard disk drive; flashes when data being processed
Setting of operating modes with the BCD switch:
On the module is a 10-position BCD switch which can be set with a #0 screwdriver.
BCD position Meaning
0
normal read/write**
1
Spare
2
Spare
3
Spare
4
Spare
5
format*/**
6
Spare
7
Spare
8
Spare
9
normal read only
* Starts after insertion; remove, then plug in again
** If the card itself is not write-protected (switch or software)