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66 • Chapter 4 - Software Tools and Communications DMC-1700/1800
Bit Number Condition
0 X motion com
p
lete
1 Y motion complete
2 Z motion complete
3 W motion complete
4 E motion complete
5 F motion complete
6 G motion complete
7 H motion complete
8 All axes motion complete
9 Excess position error*
10 Limit switch
11 Watchdog time
r
12 Reserve
d
13 Application program stoppe
d
14 Command done †
15 Inputs* (uses n for mask)
†Not available when using new version 7 drivers.
The argument “n” enables interrupts for the first 8 general inputs. To enable interrupts for the desired inputs, set bit 15 of
the “m” argument, then set the desired inputs using the 8-bit mask for the “n” argument. For example, to enable interrupt
on inputs 1-4, set EI32768,15. Note that the input interrupts must be reset for all inputs after any input has caused an
interrupt.
Bit number Input
0 Input 1
1 Input 2
2 Input 3
3 Input 4
4 Input 5
5 Input 6
6 Input 7
7 Input 8
User Interrupts (UI command)
The DMC-1700/1800 also provides 16 User Interrupts which can be sent by executing the command UIn to the DMC-
1700/1800, where n is an integer between 0 and 15. UI commands are useful in DMC programs to allow the application
program communicate with a host application.
Servicing Interrupts
When an interrupt occurs, the motion controller provides a status byte to indicate which condition has occurred.