Table of Contents 06/2005 Danaher Motion
vi Rev E M-SS-005-03
9.1.3. LIMITATIONS ...................................................................................................145
9.1.4. FUNCTIONS......................................................................................................146
9. 2 WITH.................................................................................................................................148
10. INPUT/OUTPUT .....................................................................................................................149
10. 1 STANDARD I/O ................................................................................................................149
10. 2 SOFTWARE I/O ................................................................................................................149
10.2.1. BIT-ORIENTED SOFTWARE I/O ........................................................................149
10.2.2. LONG-WORD-ORIENTED SOFTWARE I/O........................................................150
10. 3 PLS (PROGRAMMABLE LIMIT SWITCH) .....................................................................150
10.3.1. ENABLE AND DISABLE ....................................................................................150
10.3.2. SWITCH POSITIONS..........................................................................................151
10.3.3. REPETITION INTERVAL....................................................................................152
10.3.4. POLARITY........................................................................................................152
10.3.5. HYSTERESIS.....................................................................................................152
10.3.6. ENABLE AND DISABLE ....................................................................................152
10.3.7. PLS OUTPUT STATE........................................................................................153
10.3.8. SET UP.............................................................................................................153
10. 4 EXTERNAL ENCODERS..................................................................................................154
10. 5 PC104................................................................................................................................155
10.5.1. CONFIGURING PC104 CARDS .........................................................................155
10.5.2. INSTALLATION.................................................................................................155
10.5.3. COMMANDS.....................................................................................................156
11. ERROR HANDLING ..............................................................................................................157
11. 1 CONTEXT .........................................................................................................................157
11.1.1. TASK CONTEXT...............................................................................................157
11.1.2. SYSTEM CONTEXT...........................................................................................159
11.1.3. TERMINAL CONTEXT.......................................................................................160
11. 2 WATCHDOG ....................................................................................................................160
11.2.1. WATCHDOG SETUP.........................................................................................161
11.2.2. CYCLE THE WATCHDOG.................................................................................161
11.2.3. RESET THE WATCHDOG..................................................................................161
11. 3 UEA (USER ERROR ASSERTION)..................................................................................162
11. 4 EXCEPTIONS ...................................................................................................................162
11.4.1. DECLARATION.................................................................................................162
11.4.2. DELETION........................................................................................................163
11.4.3. ASSERTION ......................................................................................................163
11.4.4. LOG .................................................................................................................164
11.4.5. QUERY.............................................................................................................164
11.4.6. PRINT...............................................................................................................164
11.4.7. LIMITATIONS ...................................................................................................164
