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Saia-Burgess Controls AG
3.7
Installation and addressing of PCD2 I/O modules .......................................... 3-24
3.7.1
Insertion of I/O modules ............................................................................. 3-24
3.7.2
Address and terminal designation .............................................................. 3-24
3.7.3
Cable layout ............................................................................................... 3-25
3.8
Dimensions ..................................................................................................... 3-26
3.9
Power supply and connection plan ................................................................. 3-27
3.9.1
External power supply ................................................................................ 3-27
3.9.2
Earthing and connection plan ..................................................................... 3-28
3.9.3
Internal power supply ................................................................................. 3-30
3.9.4
Capacity of internal power supply .............................................................. 3-30
3.10
PCD1.M1x0 and PCD1.M1x5 operating states ............................................... 3-31
3.11
PCD2.M1x0/M480 operating states ................................................................ 3-32
3.12
Pin Configuration PCD1 .................................................................................. 3-33
3.13
Pin Configuration PCD2 .................................................................................. 3-34
3.14
Expansion of user memory ............................................................................. 3-35
3.14.1
Basics ......................................................................................................... 3-35
3.14.2
Memory location of the user program, the resources, texts and DBs ............. 3-35
3.14.3 Example of a memory configuration ........................................................... 3-35
3.14.4
PCD1.M1x0 ................................................................................................ 3-38
3.14.5
PCD1.M125 and PCD1.M135 .................................................................... 3-40
3.14.6
PCD2.M110/M120/M150 ............................................................................ 3-42
3.15
Partitioning options for user memory ............................................................. 3-45
3.16
Data storage in case of power outage ............................................................ 3-46
3.17
Backup of the user program (flash card for PCD2.M170/M480) ..................... 3-47
3.17.1
General ....................................................................................................... 3-47
3.17.2 Copying the application to the flash card (backup) .................................... 3-48
3.17.4
Backup/restore of RAM texts/DBs at run-time ............................................ 3-50
3.18
Hardware clock (Real Time Clock) .................................................................. 3-55
3.18.1
Clock module PCD2.F500 (obsolete, PCD2.M110/M120 only) .................. 3-55
3.19
Monitoring the CPU (watchdog) ...................................................................... 3-56
3.19.1
PCD1 hardware watchdog ......................................................................... 3-56
3.19.2
PCD2 hardware watchdog ......................................................................... 3-57
3.19.3
Software watchdog for PCD1 and PCD2 ................................................... 3-59
3.20
Internal LED displays and small terminals ...................................................... 3-60
3.20.1
Outphased displays and small terminals ................................................... 3-60
3.20.2
3.20.3
PCD2.F530 7-Segment LED display (PCD2.M120/M150 only) ................. 3-62
3.20.4
PCD7.D16x Small terminal kits ................................................................. 3-63
3.21
Interrupt inputs ................................................................................................ 3-64
3.21.1
Basics ......................................................................................................... 3-64
3.21.2
PCD1.M120/M130 and PCD1.M125/M135 ................................................ 3-64
3.21.3
PCD2.M120/M150/M170 ............................................................................ 3-65
3.21.4
PCD2.M480 ................................................................................................ 3-65
3.22
Run/Stop or Run/Halt switch (PCD2.M170/M480 only) .................................. 3-67
3.23
HALT switch on PCD1.M125 and PCD1.M135 ............................................... 3-68
3.23.1
HALT switch on PCD1.M125 and PCD1.M135 as input ............................. 3-68
3.24
Storing data in EEPROM ................................................................................ 3-69
Manual Manual PCD 1 / PCD 2 Series │ D ocument 26 / 737 EN22 │ 2 013-11-26
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