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COLUMNAR ELECTRONIC MICROMETER
CEG2000 Instruction Manual
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
Contents
1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4 Names and functions of the parts . . . . . . . . . . . . . . . . 2
5 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
6 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6.1.1 What to do when the detector has been connected
and adjusted and the settings have already been
entered. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
6.1.2 What to do when the measurement head has been
replaced . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6.2 Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
6.2.1 Measurement mode. . . . . . . . . . . . . . . . . . . . . . . . . 9
6.2.2 Hold measured value. . . . . . . . . . . . . . . . . . . . . . . . 9
6.3 Set-up mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
6.3.1 Selecting the measurement range. . . . . . . . . . . . . 10
6.3.2 Setting the shift value . . . . . . . . . . . . . . . . . . . . . . 10
6.3.3 Selection for mask matching 10
6.3.4 Polarity selection for each measuring unit . . . . . . . 11
6.3.5 Item selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.3.6 Input channel selection (In items 1 and 2) . . . . . . . 12
6.3.7 Setting the decision upper limit value
(Set for all items) . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.3.8 Setting the decision lower limit value
(Set for all items) . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.3.9 Setting the large master value
(Set in items 1 and 2). . . . . . . . . . . . . . . . . . . . . . . 13
6.3.10Setting the small master value
(Set in items 1 and 2). . . . . . . . . . . . . . . . . . . . . . . 13
6.3.11 Selecting the calculation method (in Item 3 only) . 14
6.3.12Saving setting values
(Saving the previous items 6.3.1-11) . . . . . . . . . . . 14
6.4 Master Matching Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.4.1 Master matching . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.4.2 Adjusting the detectors . . . . . . . . . . . . . . . . . . . . . 17
6.4.3 Clearing the master match. . . . . . . . . . . . . . . . . . . 19
6.5 Program Switching Mode. . . . . . . . . . . . . . . . . . . . . . . . . 20
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7 An explanation of input and output . . . . . . . . . . . . . . 21
7.1 Serial output (RS232C). . . . . . . . . . . . . . . . . . . . . . . . . . .21
7.1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
7.1.2 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
7.1.3 Serial port settings . . . . . . . . . . . . . . . . . . . . . . . . . 21
7.1.4 Composition of transmitted data . . . . . . . . . . . . . . .21
7.1.5 Method of data transmission to PCs. . . . . . . . . . . . 21
7.1.6 Requesting data from PCs . . . . . . . . . . . . . . . . . . . 22
7.1.7 Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
7.2 Input from an external button . . . . . . . . . . . . . . . . . . . . . . 23
7.2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
7.2.2 Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
7.2.3 The port's pin layout . . . . . . . . . . . . . . . . . . . . . . . . 23
7.2.4 Operation with external buttons . . . . . . . . . . . . . . .23
8 Models. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
9 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
9.1 Main unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
9.2 Sold separately . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
10 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
11 Breakdowns: Causes and Responses . . . . . . . . . . . 25
12 Points of Caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
13 Structural diagrams of the main unit . . . . . . . . . . . . . 26
14 Operational floe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
15 Worksheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
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1 Overview
Our columnar electronic micrometer features color bars of three different colors, which makes
the display easy to see. The meter also features an automatic master matching function.
It can be used by itself or can easily be deployed in complex combinations with other
components. With the bar displays arrayed next to each other, the property of the object being
measured can be ascertained.
2 Features
(1) Displays measurement results clearly using a three-color color bar display.
(2) With an eight-digit display, it can display such information as measured values and setting
names.
(3) Master alignment for both large and small limits can be accomplished at the push of a
button.
(4) Because the instrument is only 50mm wide, it can be used in a series configuration.
(5) With the serial communications function (included standard), data can be output to a PC and
printer. The data can be saved and input into statistical and spreadsheet applications (such as
Microsoft Excel).
(6) In the Set-up Mode, all settings can be entered in order by pressing the ENT key.
(7) Up to 10 different sets of settings and master values can be saved and selected from.
3Operation
This instrument has the following four principal modes of operation:
(1) Measurement mode
• Measurement mode Measures
• Hold measurement Saves the measured values
However, if master matching was unsuccessful, the values are
not saved.
(2) Set-up Mode
• Set-up Mode Inputs or changes settings.
(3) Master matching mode
• Master matching Matches with a master.
This instrument conducts comparative measurements, so only
use it after having measured a master for comparison.
• Adjust detector (ADJ) This will adjust the detector.
• Clear master match This will clear master match data.
(4) Program switching mode
• Program switching mode Switches programs.
The instrument launches with the last program that was used
before it was last shut down.
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4 Names and functions of the parts
[1] Bar graph display
Displays a 101-dot, three-color bar graph.
Table 1: Bar color and information displayed in each
mode
Mode Bar color Information displayed
[2]
[3]
123
SET
MAS
RST
MAS
SET
ENT
[1]
Measurement Green (bright)
Hold
measurement
Setting Orange (bright)
Master matching Green (bright)
ADJ Orange (bright)
[2] Range display
The upper and lower measurements of the bar are given
with a two-digit display. The display is the same for
items 1-3 as shown in Table 2 below.
Red (bright)
Orange (dotted)
Green (dark)
Red (dark)
Green (dotted)
Red (bright)
Orange (dotted)
Green (dotted)
Value measured was OK.
Value measured not OK.
Upper or lower limit value.
Value measured was OK.
Value measured not OK.
Current setting value
Previous setting value
Master matching possible
Master matching not
possible
Master setting value
Value measured
Master setting value
[4]
C
A
D
B
Table 2: Range display
Measured range (microns) Digital display
52.5
10 5.0
20 10.
50 25.
100 50.
200 10
500 25
1000 50
[3] Display
A 7 × 5 dot character, eight-digit display can show
measured values, set values, setting names, and other
information.
[4] Measurement device ports
Measurement devices can be connected as follows: A
and B for two-channel type devices, and A-D for fourchannel type devices.
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123
MAS
SET
SET MAS
RST
ENT
[5]
[5] Item/decision lamps
This shows information such as the decision made and
whether a measurement is currently being taken
(whether the bar is being displayed).
Each number, 1-3 shows the status for the corresponding
item (3 is for the calculated result).
Table 3 shows the relationship between lamp colors and
status.
Table 3: Lamp colors and status
Lamp color Status Mode
Green (bright) Decision: OK Measurement
Green
(bright and dark)
Green (dark) Decision: OK Hold measurement
Green (dark) and
black
Red (bright) Decision: NG Measurement
Red
(bright and dark)
Red (dark) Decision: NG Hold measurement
Red (dark) and
black
Orange (bright) Item-related settings
Decision: OK
(bar being displayed)
Decision: OK
(bar being displayed)
Decision: NG
(bar being displayed)
Decision: NG
(bar being displayed)
being input
Master matching
(Item 3 excluded)
Sensor being adjusted
(Item 3 excluded)
Measurement
Hold measurement
Measurement
Hold measurement
Setting
Master matching
ADJ
123
SET MAS
SET MAS
RST
ENT
[6]
[6] Mode lamps
These show the current mode and master matching
status.
Table 4 shows the relationship between lamp color,
mode and master matching status.
Table 4: Colors and status
Lamp name
SET MAS
Orange (bright) — Setting —
Green (bright) — Program switching —
— Orange (bright) Master matching —
Orange (bright) Red (bright) Setting Master matching
Green (bright) Red (bright) Program switching Master matching
— Orange (bright)
& Red (bright)
— Red (bright) Measurement
Mode
Master matching Master matching
Hold measurement
Master
matching status
unsuccessful
unsuccessful
unsuccessful
Master matching
unsuccessful
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[7] Panel switches
(a) Left arrow key (SET key)
123
SET MAS
SET MAS
RST
ENT
(f)
(a)
(b)
(c)
(d)
(e)
Mode Key action Status
Measurement Hold down for two
seconds
Setting Press once Select setting parameter
Switches to master matching
(b) Right arrow key (MAS key)
Mode Key action Status
Measurement Hold down for two
seconds
Setting Press once Select setting parameter
Master matching Press once Switch displayed information
Switches to master matching
(c) Reset key
Mode Key action Status
Hold setting value Press once Switches to measurement
Setting (settings
being input)
Setting (item being
selected)
Master matching Press once Returns to previous display
ADJ Press once Returns to previous display
Press once Returns settings to their
Press once Cancel settings (Write/
mode
previous values
Cancel)
(d) ENTER key
Mode Key action Status
Measurement Press once Holds the measured values
Setting Press once Decide setting item and
Master matching Press once Read in master values
ADJ Press once Decide adjustment item and
(If master matching was
successful)
setting value
adjustment value
(e) Up arrow key
Mode Key action Status
Measurement Press once Switch which information is
Setting Press once Enter setting values
Master matching Press once Switch display masters
ADJ Press once Switch detector that is
displayed
displayed
-4-
(f) Down arrow key
Mode Key action Status
Measurement Hold down for two
seconds
Measurement Press once Switch which information is
Setting Press once Enter setting values
Master matching Press once Switch display masters
ADJ Press once Switch detector that is
Switch to program switching
mode
displayed
displayed
[10]
Back
AC85 264V
FUSE
EXT I/O
RS232C
SW,ETC
ANALOG
[8] Input power connector/power switch
This turns on the AC power. Although the instrument
can be used within the 85-264V AC range, the included
power cable can only be used in the 85-125V AC range.
[8]
[9] Output power connector
When used in a series configuration, this connects to the
[9]
input power connector of the neighboring unit. It
connects to the input power connector internally.
3A
[10] Fuse holder
Glass tube fuses (5.2 × 20 3A) are used.
[11] DC input and output connectors (optional)
[11]
This is a connector for decision/ BCD output for
connection to lamps, sequences, etc.
[12] RS232C connectors
This is a serial connector for use in linking to PCs and
[12]
[13]
printers.
[13] Switch input connector
This connector enables measurement commands and
master commands to be given by means of an external
[14]
push button. This can also be used for RS422
communication and Digimatic output (optional).
[14] Analog input/output connector
This connector is for input of external analog signals and
output of amp output signals.
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5 Specifications
Item Specification Comments
Input Electrically, 2 (4) channels
Measurement item 3 (Calculation 1)
Calculation method 1–2, 1+2, 2–1, AVE (1–2), AVE (1+2), AVE (2–1) 1=ITEM 1 2=ITEM 2
Measurement range
(mm)
Resolution (mm) 0.00005 0.0001 0.0002 0.0005
Bar display 101-dot (red, green, orange, bright/dark)
Bar display type Bar (OK: Green, Not OK: Red), Dots (Max./Min.)
Scale display Two-digit (numbers), two locations
Multi-function display Eight-digit (Numbers/letters)
Shift range ±300% (Full scale)
Decision ± Not OK/OK
Display of decision Bar display (color), items, decision lamp, multi-
Automatic master
matching
Automatic master range Small: ±50% (full scale)
Program entry Push-button on panel
Number of set programs 10
Power voltage and
frequency
Power capacity 30VA
Dimensions/weight 50mm (width) × 480mm (height) ×
Operating temperature 0-45°C
Standard
External input buttons 4 (measurement, reset, large limit, small limit) Push-button, Foot SW
Serial output 1 (printer, PC) RS232C
Options
Printer output 1 (DP1) Digimatic
Decision output 8 (DC12/24V)
BCD output 1 set (DC12/24V)
Analog input 4 (connection to column)
Serial communication 1 RS422/RS485
0.00500 0.0100 0.0200 0.0500
0.100 0.200 0.500 1.00
0.001 0.002 0.005 0.01
Measured values, setting items, setting values,
error messages
function display
Small limit, large limit
Large: ±20% (full scale)
85-256V AC 50/60Hz Comes with 100V AC
200mm (depth), 4 kg
cable
-6-
6Operation
6.1 Overview
• What to do when the detector has been connected and adjusted and the settings have
already be
• What to do when the measurement head has been replaced
In this section, we will explain the procedures for the above two situations.
6.1.1 What to do when the detector has been connected and adjusted and
the settings have already been entered.
Please use the following procedure.
(1) Power on
(2) Clearing the master matching data
(3) Master matching
en entered.
Turn on the power switch in the rear of the unit (press the side marked with a circle)
to supply power (85-265V AC and 50/60Hz). The unit will start up in Measurement
Mode.
In Measurement Mode, hold down the right arrow (MAS) key for two seconds.
Holding the key down for an additional two seconds switches to Clear Master Match.
Clear the master matching data as necessary. For details, refer to 6.4.3 “Clearing the
Master Match.”
Now match to a master. For details, refer to 6.4.1 “Master matching.”
(4) Measuring
In Measurement Mode, press the ENT key once, the unit will be set to Hold
Measurement Value. This can be cleared by pressing the RST key. However, if the
master match was unsuccessful, the measured value cannot be saved. For details,
please refer to 6.2 “Measuring.”
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6.1.2 What to do when the measurement head has been replaced
Please use the following procedure.
(1) Connection
Connect the detectors to the front of the column unit and the included power cord to
the back.
(2) Power on
Turn on the power switch in the rear of the unit (press the side marked with a circle)
to supply power (85-265V AC and 50/60Hz). The unit will start up in Measurement
Mode.
In Measurement Mode, hold down the left arrow (SET) key for two seconds, which
will switch to Set-up Mode.
(3) Inputting setting values
Please input the setting values. For details, please refer to 6.3 “Set-up mode.”
In Measurement Mode, hold down the right arrow (MAS) key for two seconds. After
that, pressing the key down once switches to Adjust Detector (ADJ).
(4) Adjust Detector
Please adjust the detector. For details, refer to 6.4.2 “Adjusting the detector.”
In “Adjust Detector” mode, holding down the ENT key for two seconds switches to
Master Matching.
(5) Master matching
Please match to a master. For details, refer to 6.4.1 “Master matching.”
(6) Measuring
In Measurement Mode, pushing the ENT key once switches to Hold Measured
Values. This can be cleared by pressing the RST key. However, if the master match
was unsuccessful, the measured values cannot be saved. For details, please refer to
6.2 “Measuring.”
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