User's Manual

DMC-1400 Series Command Reference IV ● 115
IV
FUNCTION: Interrogate Interrupt
DESCRIPTION:
The IV command interrogates and clears the interrupt. When an interrupt occurs, the IV
command is sent from the host PC. The meaning is read and the interrupt condition is
cleared. The responses to the IV command are as follows.
Bit Number Condition
7 General purpose input
6 Reserved
5 Applications programs stopped
4 User Interrupt
3 Watch Dog
2 Limit Switch
1 Position Error
0 Motion Complete
ARGUMENTS: IV n
USAGE:
While Moving Yes Default Value
In a Program Yes Default Format
Command Line Yes
Can be Interrogated Yes
Used as an Operand No
Controller Usage
DMC-1410/1411/1417
EXAMPLES:
IV Limit switch occurred
:4 2
2
Binary equivalent