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132 • Chapter 6 Programming Motion DMC-1700/1800
Example: Find Edge
#EDGE Label
AC 2000000 Acceleration rate
DC 2000000 Deceleration rate
SP 8000 Speed
FE Find edge command
BG Begin motion
AM After complete
MG “FOUND HOME” Send message
DP 0 Define position as 0
EN End
Command Summary - Homing Operation
command description
FE XYZW Find Edge Routine. This routine monitors the Home Input
FI XYZW Find Index Routine - This routine monitors the Index Input
HM XYZW Home Routine - This routine combines FE and FI as Described Above
SC XYZW Stop Code
TS XYZW Tell Status of Switches and Inputs
Operand Summary - Homing Operation
operand Description
_HMx Contains the value of the state of the Home Input
_SCx Contains stop code
_TSx Contains status of switches and inputs
High Speed Position Capture (The Latch Function)
Often it is desirable to capture the position precisely for registration applications. The DMC-
1700/1800 provides a position latch feature. This feature allows the position of the main or auxiliary
encoders of X,Y,Z or W to be captured within 25 microseconds of an external low input signal. The
general inputs 1 through 4 and 9 thru 12 correspond to each axis.
1 through 4: 9 through 12
IN1 X-axis latch IN9 E-axis latch
IN2 Y-axis latch IN10 F-axis latch
IN3 Z-axis latch IN11 G-axis latch