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PCD6 Index


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



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