B&R PP21 User Manual page 6

Contents
8.3 Photo .............................................................................................................. 30
8.4 Technical Data ............................................................................................... 30
8.5 Status LEDs ................................................................................................... 31
8.6 Pin Assignments ............................................................................................ 31
9. Mounting Instructions .......................................................................................... 32
10. Device Label ..................................................................................................... 33
11. Programming ..................................................................................................... 33
11.1 Programming the PLC CPU ......................................................................... 33
11.2 Visualization ................................................................................................. 33
12. Description of Components ............................................................................... 34
12.1 Status LEDs ................................................................................................. 34
12.2 Power Supply ............................................................................................... 34
12.3 Interfaces ..................................................................................................... 35
12.3.1 CAN Interface ......................................................................................... 35
12.3.2 RS232 Interface ..................................................................................... 36
12.4 Operating Mode Switch ................................................................................ 36
12.5 Programming System Flash ......................................................................... 37
12.6 PCMCIA Slot ................................................................................................ 37
12.6.1 Limitations when using Memory Cards .................................................. 38
12.7 Power Panel Interface .................................................................................. 38
12.8 Screw-in Module Overview .......................................................................... 38
12.9 Data/Realtime Buffering ............................................................................... 39
12.10 Digital Inputs .............................................................................................. 40
12.10.1 Terminal Block Connections ................................................................ 40
12.10.2 Input Circuit Diagram ........................................................................... 40
12.10.3 Connection Example ............................................................................ 41
12.11 Digital Outputs ............................................................................................ 41
12.11.1 Terminal Block Connections ............................................................... 41
12.11.2 Output Circuit Diagram ......................................................................... 42
12.11.3 Output Circuit Diagram for Potential-Free Relay Contact .................... 42
12.11.4 Connection Example for Outputs 1 - 8 ................................................ 42
12.11.5 Connection Example for Potential-Free Relay Contact ........................ 43
13. Changing the Battery ........................................................................................ 44
13.1 Battery Data ................................................................................................. 44
13.2 Buffer Duration ............................................................................................. 44
Chapter 2: Technical Appendix .................................................... 47
1. Décor Foil (polyester foil) .................................................................................... 47
2. Characters for LC Displays (English/Katakana) .................................................. 48
6 Power Panel User's Manual