KEYENCE LK-G Series - Manual (Page 119)

4-7
4
LK-G-M-NO4-E
4 Input/Output Terminals
Functions of the Input and Output Signals
The following table shows a list of program numbers and how they relate to the status of
terminals P1 through P3.
Comparator output
Alarm output
Input and output signals for measurement control
Auto-zero input
Program No. switch input
Refer to 4-2 for the layout of each terminal.
Name Description Reference
page
Tolerance comparator
output
(HI, GO, LO) Outputted according to the tolerance comparator results. Page 4-5
Name Description Reference
page
Alarm (N.C.) output Turned on when "–FFFFFF" is displayed due to the alarm
processing (the NPN or PNP open-collector output
transistor is off). Turned off when the normal value is being
held. Page 4-2
Name Description Reference
page
TIMING input Performs an external synchronization input of the
measurement mode. Page 4-2
RESET input Resets the measurement value. Page 4-2
Name Description Reference
page
ZERO input Sets the current measurement value to zero. Page 4-2
Name Description Reference
page
P1, P2, P3 Changes the program No. by external commands. Page 4-5