Galil DMC-3425 Manual Do Utilizador
DMC-3425
Contents
• v
Displaying Variables and Arrays............................................................................. 137
Interrogation Commands ......................................................................................... 137
Formatting Variables and Array Elements .............................................................. 139
Converting to User Units......................................................................................... 140
Hardware I/O ......................................................................................................................... 140
Digital Outputs ........................................................................................................140
Digital Inputs........................................................................................................... 141
Input Interrupt Function .......................................................................................... 142
Analog Inputs .......................................................................................................... 142
Extended I/O of the DMC-3425 Controller ........................................................................... 143
Configuring the I/O of the DMC-3425.................................................................... 143
Saving the State of the Outputs in Non-Volatile Memory....................................... 144
Accessing Extended I/O ..........................................................................................144
Interfacing to Grayhill or OPTO-22 G4PB24 ......................................................... 145
Example Applications............................................................................................................ 145
Wire Cutter.............................................................................................................. 145
A-B (X-Y) Table Controller.................................................................................... 146
Speed Control by Joystick ....................................................................................... 148
Position Control by Joystick.................................................................................... 149
Chapter 8 Hardware & Software Protection
151
Introduction ........................................................................................................................... 151
Hardware Protection .............................................................................................................. 151
Output Protection Lines........................................................................................... 151
Input Protection Lines ............................................................................................. 152
Software Protection ............................................................................................................... 152
Example:.................................................................................................................. 152
Programmable Position Limits ................................................................................ 152
Example:.................................................................................................................. 153
Off-On-Error ...........................................................................................................153
Examples: ................................................................................................................ 153
Automatic Error Routine ......................................................................................... 153
Example:.................................................................................................................. 153
Limit Switch Routine .............................................................................................. 154
Chapter 9 Troubleshooting
155
Overview ............................................................................................................................... 155
Installation ............................................................................................................................. 155
Communication...................................................................................................................... 156
Stability.................................................................................................................................. 156
Operation ............................................................................................................................... 156
Chapter 10 Theory of Operation
157
Overview ............................................................................................................................... 157
Operation of Closed-Loop Systems ....................................................................................... 159
System Modeling................................................................................................................... 160
Motor-Amplifier......................................................................................................161
Encoder.................................................................................................................... 163
DAC ........................................................................................................................ 164
Digital Filter ............................................................................................................164
ZOH......................................................................................................................... 165
System Analysis..................................................................................................................... 165
System Design and Compensation.........................................................................................167
The Analytical Method............................................................................................ 167