14. Work Sheet ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 45
1. Introduction
The digital electric micrometer is a measuring instrument with a large easy-to-see
(three-color) digital display and an automatic mastering function. It can be operated by
external input and output signals and is thus suited for automatic measurement.
2. Main Features
(1) A large three-color main digital display provides the ease of seeing judgment and
measurement results.
(2) An eight-digit multifunctional alphanumeric display indicates the measurement
conditions and items.
(3) Control keys and external signals automate mastering.
(4) Judgment result output signals are provided as standard and are ideal for automatic
measurement.
(5) The standard serial communication function allows the output of data to the personal
computer and printer. The data can be stored, statistically processed, and input to a
spreadsheet program like Excel.
(6) Two electric micrometers can be connected for measurement by operational
processing. Tapers, ovals, and steps can be measured.
3. Main Modes
The instrument operates in the following four main modes:
(1) Measure mode
Measure:Measures a work.
Hold measured value:Holds the measured value, except when the
mastering result is NG.
(2) Set mode
Enters and changes the set value.
(3) Master mode
Master:Calibrates the instrument with the masters.
This instrument is a comparative measuring
instrument. Be sure to use it upon completion of the
mastering operation.
Adjust detector:Adjusts the detector.
Clear mastering data:Clears the mastering data.
(4) Change program mode
Changes from one program to another. When the instrument is started, the
program used last is launched.
1
4. Names and Functions of Controlsand Parts
1
◯
Item and judgment LEDs
-NG-
OK
OK +OK +NG
➀
12
3
Indicate the judgment result and measurement under way (as shown on the main
display), among other things. The conditions of Items 1 to 3 are indicated by LEDs 1 to
3, respectively. The lighting colors of the LEDs and the conditions indicated by them are
shown in Table 1.
Table 1. LED colors and conditions indicated.
ColorConditionMode
Green (light and dark)Judgment result OK; Main display itemMeasure
Green (light)Judgment result OK; Other itemMeasure
Green (dark) and blankJudgment result OK; Main display itemHold measured value
Green (dark)Judgment result OK; Other itemHold measured value
Red (light and dark)Judgment result NG; Main display itemMeasure
Red (light)Judgment result NG; Other itemMeasure
Red (dark) and blankJudgment result NG; Main display itemHold measured value
Red (dark)Judgment result NG; Other itemHold measured value
Orange (light)
Set value of item being enteredSet
Instrument being calibrated with masterMaster
Detector being adjustedAdjust detector
2
-NG-
OK
OK +OK +NG
12
3
➁
2
◯
Main display
Shows a value or condition in one of three colors. The display colors in each mode are
as given in Table 2.
Table 2. Display colors and items in each mode.
ModeColorItem
MeasureGreen (light)
Red (light)
Orange (light)
Hold measured valueGreen (dark)
Red (dark)
Orange (dark)
MasterGreen (light)
Red (light)
Measured value (Judgment result OK)
Measured value (Judgment result ±NG)
Measured value (Judgment result ±OK)
Measured value (Judgment result OK)
Measured value (Judgment result ±NG)
Measured value (Judgment result ±OK)
Mastering enabled
Mastering disabled
Adjust detectorOrange (light)Measured value
3
OKOK +OK +NG
-NG-
➃
SET MAS
➂
SETMAS
PROG
RST
ENT
➄
3
◯
Display item judgment LEDs
Judge the data shown on the main display. OK is indicated by green, ±OK by orange,
and ±NG by red. ±OK is used only when the number of ranks is three.
4
◯
Alphanumeric display
The measured value, set value, set description, and other data are indicated by 8-digit 7
× 5 dot characters.
5
◯
Mode LEDs
Indicate the condition of the current mode and the mastering result. The LED lighting
colors, modes, and mastering results are as shown in Table 3.
Table 3. LED colors and conditions indicated.
SET mode LEDMAS mode LEDModeMastering result
OrangeOffSetOK
OrangeRed flashingSetNG
GreenOffChange programOK
GreenRed flashingChange programNG
OffOrangeMasterOK
OffOrange and redMasterNG
OffRed flashingMeasureNG
OffOffMeasure,
OK
Hold measured value
4
OKOK +OK +NG
-NG-
➅➆
RST
ENT
SET MAS
SETMAS
PROG
➇ ➈
6
◯
Left arrow /SET key
ModeKeyingOperation
MeasurePress 2 sec.Mode is changed to set mode.
SetPress once.Set description is changed.
Adjust detectorPress once.Measuring head is changed.
7
◯
Right arrow/MAS key
ModeKeyingOperation
MeasurePress 2 sec.Mode is changed to master mode.
SetPress once.Set description is changed.
MasterPress once.Mode is changed to adjust detector mode.
Adjust detectorPress once.Measuring head is changed.
8
◯
Down arrow/PROG key
ModeKeyingOperation
MeasurePress 2 sec.Mode is changed to change program mode.
MeasurePress once.Item is changed from ITEM 3 to ITEM 1.
SetPress once.Set value is entered (or decremented).
MasterPress once.Master is changed from MAS 2 to MAS 1.
Adjust detectorPress once.Master is changed from MAS 2 to MAS 1, or set
value is entered (or decremented).
Change programPress once.Program is changed from PROG 4 to PROG 1.
9
◯
Up arrow key
ModeKeyingOperation
MeasurePress once.Item is changed from ITEM 1 to ITEM 3.
SetPress once.Set value is entered (or incremented).
MasterPress once.Master is changed from MAS 1 to MAS 2.
Adjust detectorPress once.Master is changed from MAS 1 to MAS 2, or set
value is entered (or incremented).
Change programPress once.Program is changed from PROG 1 to PROG 4.
5
OKOK +OK +NG
-NG-
◯
10
RST
ENT
11
◯
10
◯
RST (reset) key
SET MAS
SETMAS
PROG
ModeKeyingOperation
Hold measured
Press once.Measured value hold is cleared.
value
SetPress once.Set description is returned to previous condition.
Setting is finished (WRITE or CANCEL).
MasterPress once.Reading of master measured value is canceled.
Adjust detectorPress once.Set description is returned to previous condition.
11
◯
ENT (enter) key
ModeKeyingOperation
MeasurePress once.Mode is changed to hold measured value mode
(when mastering result is OK).
SetPress once.Set description is determined.
MasterPress once.Master measured value is read.
Adjust detectorPress once.Adjustment description is determined.
6
12
◯
RS232C connector
A serial communication connector for connecting a personal computer or printer.
13
◯
Switch input connector
A connector for entering a measure or mastering command with an external button. It is
also used for RS422 communication and Digimatic output.
14
◯
Analog input/output connector
A connector for external analog signal input and amplifier signal output.
15
◯
DC input/output connector
A judgment result input/output connector for connecting LEDs, sequencers, etc.
16
◯
DC input/output connector (option)
17
◯
Power switch
Used to turn on and off the power of the instrument.
18
◯
Power connector
Used to input AC power. It can be used in the range of 85 to 264 VAC, but the
accessory power cable must be used in the range of 85 to 125 VAC.
Rear of DEG2000
12
◯
13
◯
14
◯
ANALOGSW.ETCRS232C
15
◯
EXT I/O
16
◯
AB
AC85~264V
C
D
17
◯
18
◯
7
Rear of standard model DEG2000-N
ANALOGSW.ETCRS232C
EXT I/O
AB
AC85~264V
C
20
◯
19
◯
Rear of dedicated model DEG2000-A for air micrometer
19
◯
Electric micrometer connector
Two detectors can be connected.
20
◯
A/E converter (AE2000) connector
Two AE2000 converters can be connected.
D
20
◯
C
D
8
5. Specifications
ItemSpecificationRemarks
Power supply voltage and
frequency
Power supply capacity30 VA
Dimensions and mass
Operating temperature
Number of programs4 (Programs 1 to 4)Programs 1 to 3 are changeable
Input module1. Standard
Number of measurement items3 (Items 1 to 3)
Number of masters2 (MAS 1 and MAS 2)
Number of input channels
(XDUCER)
Indicating range (resolution)
Mastering data inputSelect from among four detectors
Operation functionsItem 1 can select MAS 1 or MAS
Measuring functions
85 to 264 VAC, 50/60 Hz100 VAC power cable supplied as
accessory
120 mm wide × 200 mm high ×
220 mm deep, 2.7 kg
0 to 45°C
from external input.
Changeable by software and
(1) Electric micrometer
(2) Air micrometer
2. Dedicated for air micrometer2 channels for air micrometer
4
Air micrometer
1. FS±10 µm (0.05 to 2)
2. FS±20 µm (0.1 to 2)
3. FS±50 µm (0.1 to 2)
4. FS±100 µm (0.1 to 2)
Electric micrometer
1. FS±20 µm (0.1 to 2)
2. FS±100 µm (0.1 to 2)
3. FS±1000 µm (1 to 2)
A to D (multiple choice possible).
Symbols and coefficients (-9.999
to +9.999) can be freely
combined.
2, Item 2 can select MAS 1, MAS
2, or Item 1, and Item 3 can select
MAS 1, MAS 2, Item 1, or Item 2
(multiple choice possible).
Symbols and coefficients (-9.999
to +9.999) can be freely
combined.
1. BYPASS
2. +PEAK
3. -PEAK
4. TIR
5. TIR/2
6. MAX
7. min
8. MAX - min
9. (M - m)/2
10. (M + m)/2
11. ABS
unusable simultaneously:
2 channels for air micrometer
(external) and 2 channels for
electric micrometer (internal)
(external)
Set for each program.
Resolution is available in six types
of 0.05, 0.1, 0.2, 0.5, 1, and 2.
Set for each master.
Example:
MAS 1 = A + B + C
MAS 2 = -A + B
Set for each item.
Example:
Item 1 = MAS 1 + MAS 2
Item 2 = -MAS 1 +MAS 2
Item 3 = Item 1 - Item 2
Set for each item.
9
ItemSpecificationRemarks
Judgment method±NG and rankSet for each item.
1. EQUALEqual ranking:
Maximum of 99 ranks
(Judgment result output:
Maximum of 99 ranks)
2. SELECTArbitrary ranking:
Maximum of 39 ranks
(Judgment result output:
Maximum of 39 ranks)
1. All masters togetherNumber of masters with which
instrument is to be automatically
calibrated
Mastering range
Number of smoothing cycles1 to 30 cyclesSet for each program.
Communication functions
Judgment result output
Options
2. Each master separately
1. MIN M.Mastering method
2. MAX & MIN
Zero adjustment:
Indicating range ± 30%
Sensitivity adjustment:
Indicating range ± 20%
1. Measured value output to
personal computer
2. Measured value output to
printer
3. External input and foot switchExternal buttons and foot switch
1. ±NG, ±OK, and OKOutput for 3 measurement items +
2. ±NG and 16 ranksOutput for 1 measurement item
3. ±NG and 99 ranks (code
output)
1. Digimatic outputOutput to printer (DP-1)
2. BCD output (addition of output
board required)
3. Additional judgment result
output (addition of output board
required)
4. Serial communicationRS422 output
Set for each program.
Automatic mastering is possible
from external signal.
Set for each program.
RS232C communication cable is
sold separately.
are sold separately.
All OK/NG
BCD data output
Individual output of ranks 17 to 39
10
6. Operation
6.1 Description
Here is described a series of steps from connecting a measuring head to measuring with
the head.
1
Connecting
2
Turning on power
In the measure mode, press the
3
Entering set value
In the measure mode, press the
to change to the adjust detector mode.
4
Adjusting detector
Connect the measuring head or the AE2000 (A/E
converter), and the accessory power cable to the rear
of the instrument.
Turn on the power switch at the rear of the instrument
to supply the power of 85 to 264 VAC (50/60 Hz).
Immediately after the startup, the instrument falls in
the master request condition (“MAS REQ”
on the alphanumeric display). Press one of the
The instrument changes to the measure mode.
Enter the set value. Refer to “6.4 Setting” and “Set
mode” in “13. Operation flow”.
Adjust the detector or AE2000. Refer to “Adjust
detector mode” in “13. Operation flow”.
or AE2000
appears
key for 2 sec or more to change to the set mode.
key for 2 sec or more, and press the key once
keys to clear the master request.
In the adjust detector mode, press the
(showing “MIN M.” on the alphanumeric display).
5
Mastering
6
Measuring
Calibrate the instrument with a master. Refer to “6.3
Automatic mastering” and “Master mode” in “13.
Operation flow”.
In the measure mode, press the
change to the hold measured value condition.
Press the
The measured value cannot be held when the
mastering result is NG. Refer to “6.2 Measuring”.
key twice to change to the master mode
11
key once to
key to clear the measured value hold.
6.2 Measuring
Measure mode
• The conditions indicated by the colors of the item and judgment LEDs in this mode are
as shown in Table 4.
Table 4. Conditions indicated by colors of item and
judgment LEDs in measure mode.
ColorCondition
Green (light/dark)Judgment result OK; Main display item
Green (light)Judgment result OK; Other item
Red (light/dark)Judgment result NG; Main display item
Red (light)Judgment result NG; Other item
• Press the
measured value cannot be held when the mastering result is NG.
• Press the
another.
• Select the program to be used for the measurement in the change program mode.
Refer to “Measure mode and change program mode” in “13. Operation flow”.
Hold measured value mode
• Press the
• The conditions indicated by the colors of the item and judgment LEDs in this mode are
as shown in Table 5.
• Press the
another.
key once to change to the hold measured value condition. The
and keys to change from one main display item (ITEM 1 to 3) to
key to clear the measured value hold and return to the measure mode.
Table 5. Conditions indicated by colors of item and
judgment LEDs in hold measured value mode.
ColorCondition
Green (dark/blank)Judgment result OK; Main display item
Green (dark)Judgment result OK; Other item
Red (dark/blank)Judgment result NG; Main display item
Red (dark)Judgment result NG; Other item
and keys to change from one main display item (ITEM 1 to 3) to
12
6.3 Automatic mastering
Notes: 1. This instrument is a comparative measuring instrument. Be sure to use it
after calibrating it with a master.
2. During a program change, the instrument reads the previous mastering
data.
3. Clear the mastering data when changing the settings of [I-RANGE],
[RESOLUTION], [XDUCER] and [MASTER] and when turning on the
power of the instrument.
➀ Press the
➁ The MAS mode LED (orange) lights, “MIN M.” appears on the alphanumeric display,
and the instrument changes to the master mode.
When the
the last condition or to the measure mode when “MIN M.” is shown on the
alphanumeric display.
➂ Set the minimum master in the detector. When the main display is stabilized, press
the
When “EACH” is selected with [SYSTEM]–[MasSet] in the set mode beforehand…
The mastering operation is carried out according to the master (MAS 1 or MAS 2)
whose mastering data is shown on the main display. Press the
to select the master to be used. The master selection is indicated by one of the
item and judgment LEDs as follows:
LED 1 lights to indicate MAS 1.
➃ The alphanumeric display shows “MAX M.”.
➄ Set the maximum master in the detector. When the main display is stabilized, press
the
➅ “MAS OK” appears for 2 sec on the alphanumeric display to indicate the completion of
the mastering procedure. (The instrument automatically returns to the measure
mode.)
For other details, refer to “Master mode” in “13. Operation flow”.
key for 2 sec or more in the measure mode.
key is pressed during the mastering operation, the instrument returns to
key.
key.
and keys
Mastering errors
• The alphanumeric display shows the following errors:
ERR ZERO:Zero error (outside of mastering range)
ERR MAG:Sensitivity error (outside of mastering range)
ERR REV:Maximum and minimum master values reversed
ERR OFFR:Outside of measuring range
Press the
• When calibrating the instrument with individual masters separately, the mastering
channel changes to return to step ➁ above unless the mastering result is OK for both
maximum and minimum masters.
When a mastering error occurs despite re-mastering, adjust the detector. Refer to
“Adjust detector mode” in “13. Operation flow”.
key to return to step ➁ above. Re-master.
13
6.4 Setting
The set value is entered and changed in the set mode.
6.4.1 Set mode
The set mode covers the following settings:
[XDUCER]
The sensitivity of the detector is set. Refer to “Set mode (2)” in “13. Operation flow”.
[MASTER]
The master input channel and the maximum and minimum master values are set. Refer
to “Set mode (3)” in “13. Operation flow”.
[ITEM]
The item constitutive data, measuring function, number of ranks, and boundary values
(upper/lower limits) are set. Refer to “6.4.2 Measuring functions”, “Set mode (4)” in “13.
Operation flow” and “Set mode (5)” in “13. Operation flow”.
[COMM]
Input/output data, like A/D external input and judgment result output data, are set.
Refer to “Set mode (6)” in “13. Operation flow”.
[SYSTEM]
The mastering and automatic measuring functions are set. Refer to “6.4.3 Automatic
measuring functions” and “Set mode (7)” in “13. Operation flow”.
6.4.2 Measuring functions
The measuring functions are set with [ITEM]–[FUNCTION] in the set mode. Here is
described [ITEM], centering on [FUNCTION].
[STRUCT]
The constitutive data of each item and the coefficient of each constitutive data are set.
[FUNCTION]
The measuring function of each item is selected.
Example
When “+PEAK”, “–PEAK”, “TIR”, and “TIR/2” are selected, the automatic measuring
functions are enabled. Refer to “6.4.3 Automatic measuring functions” and “Set
mode (7)” in “13. Operation flow”.
When the constitutive data of Item 1 are MAS 1 and MAS 2…
➀ Select “BYPASS”.
The measured value of Item 1 is (MAS 1 + MAS 2).
➁ Select “+PEAK”.
The measured value of Item 1 is the maximum value of (MAS 1 +
MAS 2).
➂ Select “MAX”.
The measured value of Item 1 is the larger measured value of
(MAS 1 and MAS 2).
14
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