PCD6.E61x
| A
| -1
| 10.01.1996
|
| Problem : Quit I/O failure occurs about 10 times a minute or is not generated.
Solution : Take away the capacitor C140 of 1 nF.
| Communication 96011
|
PCD6.M1/M2
| < C
| Ind. “I” modif.
| 24.07.1992
|
| Problem : Behaviour in case of battery failure
Solution : Several modifications to monitoring the battery
| SAIA® PCD Bulletin 92-5
and SB 1/92
|
PCD6.M220
| C
| -1
| 16.09.1993
| -033
| Fitting transient suppressor diodes (10 V bidirectional) for overvoltage protection of the RS 485 interface.
| SAIA® PCD Bulletin 93-3
|
PCD6.M300
| B
C
| -5
-5
| 08.02.1999
| -072
| Problem : Timing problem with Profibus-FMS
Solution : New GAL Tim2 -> Tim3 and connection from /AS to IC14 pin 32
|
|
PCD6.M300
| A
B
| -234
-34
| 01.12.1998
| -071
| Problem : Baud rate > 3 Mbd for Profibus-DP
Solution : Changed C38 and C39 to 10 pF (were 100 pF)
| Corrected on vers. “C”
|
PCD6.M300
| A
B
| -23
-3
| 16.07.1998
| -070
| Problem : Profibus-DP
Solution : Several connections and track on PCB
| Corrected on vers. “C”
|
PCD6.M300
| A
| -2
| 16.07.1998
| -069
| Problem : Profibus-DP
Solution : Wired A11 from J10 pin 9 to IC20 pin 23
|
|
PCD6.R1x0
| A
| Ind. “H”
modif.
| 24.07.1992
|
| Problem : Behaviour in case of battery failure
Solution : Several modifications to monitoring the battery
| SAIA® PCD Bulletin 92-5
and SB 1/92
|
PCD6.R210
|
|
| 01.12.1997
|
| Problem : During commissioning, if the PCD6 fails to start up properly directly after power-up, the cause may lie with the public memory module.
Solution : Replaced the memory module with a modified one, with the designation code TI 4 on its IC 6.
| Communication 97123
|
PCD6.W3xx
| B
| -12
| 18.11.2003
| -133
| Problems: the converted value was too low, frequency could be too high
Solutions: new technology of integrating capacitor, other capacitors around cristal circuit
|
|