KEYENCE LS-7000 - Manual (Page 135)

6-7
Chapter 6 I/O Terminals
6
Functions
The following section provides information on I/O signal functions. For the arrangement of
each terminal, refer to pages 6-2 and 6-4.
■ Alarm Output
Name Description Reference page
ALARM 6-3 Turns ON when an error is detected. (Normally closed)
■ Comparator Output
Name Description Reference page
6-3
6-3
6-3
5-level comparator
output (HH, HI, GO,
LO, LL) Turns ON according to the result of the preset
tolerances. This output can be set to NO (normally
open) or NC (normally closed) type.
WAITING output Turns ON when the workpiece is not in the
measuring area or the LS-7000 Series is awaiting
comparator output. This output can be set to NO
(normally open) or NC (normally closed) type.
STROBE output Turns ON in synchronization with the determined
result of the comparator output. This output is used
for STROBE BCD output as well.
■ Measurement Control I/O
Name Description Reference page
TIMING input
RESET input
6-3, 6-5, 6-6
6-3, 6-5, 6-6
Turns external synchronous input ON while the LS-7000 Series is in measuring mode.
Resets held data.
■ Auto Zero Input
Name Description Reference page
ZERO Input 6-3, 6-5, 6-6 Instantaneously set the present measured value to zero.
■ Program Number Selection Input
Name Description Reference page
P1 through P4 Input 6-3 Externally changes program numbers.