KEYENCE LS-7600 - Manual (Page 7)

About this Manual
The following section provides information on the configuration of each page of this manual
along with symbols and terms used in this manual.
Page Configuration and Symbols
4-10
Chapter 4 Operation Control
4
4-4 Automatic Zero Function
The automatic zero function sets measuring values to zero (0.00000) instantly. This func-
tion is convenient for zero-point calibration for a variety of target. Furthermore,
master calibration is possible by using this function in combination with the offset function.
Note: This function will not be available while the controller is awaiting the result of
measurement, during which the LCD monitor will display “– – –. – – – –.”)
The automatic zero value will not be lost after the LS-7600 Series is turned
off. The automatic zero value for each program will be stored.
Automatic zero settings are made through the following functional components.
• Control panel/Remote control console
• External terminal
• RS-232C interface
Tips
■ Control Panel/Remote Control Console
If a single measuring value is displayed, an
automatic zero setting will be made for the
corresponding OUT number only.
If both measuring values are displayed, an
automatic zero setting will be made for the
selected OUT number on the screen.
1 Press the [ZERO] key once. Automatic
zero will be set.
To cancel the setting, press the [ZERO]
key again.
■ External I/O Terminal
Automatic zero will be set by short-circuiting the I/O, ZERO, and COM terminals on the
rear panel of the controller together.
Refer to Section 7 I/O Terminals on page 7-1 for details.
Master Calibration with Offset Function (Automatic Offset Function)
Set the size of a master workpiece to an offset value and make an automatic
zero setting while measuring the master workpiece. Then the size of the
master workpiece will be displayed as an offset value. Refer to 3-3 Measure-
ment of Outer Diameter and Width (with Two Measuring Heads) on page 3-4
for an application example.
Refer to Offset on page 5-43 for the offset function in detail.
OUT1
0.00000
UPPER 1.00000
STANDARD 10.00000
LOWER
–1.00000
CAM1
RUN
P – 00
01/02/18
17:50:42
ZERO
Tips
• Do not look at the LED light source for a long time.
The LED used as the light source is classified into class 1
according to IEC60825-1 standards. Basically the light beam of
the LED is safe, but do not look at the LED for a long time CAUTION
Tips: Describes
information that will
deepen the user’s
comprehension of
the manual along
with other useful
information.
Caution: Indicates
information that, if
not heeded, could
result in relatively
serious or minor
injury, damage to
the LS-7600 Series,
or faulty operation.
Note: Describes
items that need the
user’s attention in
order to prevent
mistakes in the
operation of the LS-
7600 Series.
❈ The above page sample is for your reference only. It does not coincide with any of
the actual pages of this manual.
Definition of Terms
This manual uses the following terms.
v
Term Description
LS-7600 Series Refers to the LS-7601 controller and the measuring head as a set.
Controller Refers to the LS-7601 controller and remote control console
(accessory).
Measuring head Refers to the LS-7010M/LS-7030M/LS-7070M measuring head.