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238 • Appendices DMC-1700/1800
Programs don’t have to be downloaded
from PC but can be stored on controller
Non-Volatile Program Storage No storage for programs
Can capture and save array data Variable storage No storage for variables
Parameters can be stored Array storage No storage for arrays
Firmware can be upgraded in field
without removing controller from PC
Flash memory for firmware
EPROM for firmware which
must be installed on controller
Faster servo operation – good for very
high resolution sensors
12 MHz encoder speed for servos 8 MHz
Faster stepper operation 3 MHz stepper rate 2 MHz
Higher servo bandwidth
62 μsec/axis sample time 125 μsec/axis
Expanded memory lets you store more
programs
1000 lines X 80 character program
memory
500 line X 40 character
Expanded variables 254 symbolic variables 126 variables
Expanded arrays for more storage—
great for data capture
8000 array elements in 30 arrays 1600 elements in 14 arrays
Higher resolution for analog inputs 8 analog inputs with 16-bit ADC option 7 inputs with 12-bit ADC only
Better for EMI reduction 100-pin high density connector
60-pin IDC, 26-pin IDC, 20-pin
IDC (x2)
For precise registration applications Output Position Compare Available only as a special
More flexible gearing
Multiple masters allowed in gearing
mode
One master for gearing
Flexible- Binary mode is higher speed
Binary and ASCII communication
modes
ASCII only
List of Other Publications
“Step by Step Design of Motion Control Systems”
by Dr. Jacob Tal
“Motion Control Applications”
by Dr. Jacob Tal
“Motion Control by Microprocessors”
by Dr. Jacob Tal