BL57-NE
(E)
6-1
6. Main Specifications
Model
A
F
G
H
Output format
A/B signal output type
Analog output type
Detection system
Diffraction grating scanning system
Scale length
Measuring length (mm)
30, 70, 120, 170, 220, 270, 320, 370, 420
(Neoceram)
Scale’s max. travel
Measuring length
+
10 mm (5 mm on each side)
Scale overall length
Measuring length
+
26 mm
Scale length
Measuring length (mm)
60, 160, 260, 360, 460, 560, 660, 760, 860, 960, 1060
(Soda lime glass)
Scale’s max. travel
Measuring length
+
10 mm (5 mm on each side)
Scale overall length
Measuring length
+
36 mm
Grating pitch
1.6
µ
m
Signal pitch
0.4
µ
m
Output signal
Differential (compliant with EIA-422)
Differential
Output resolution
0.1
µ
m
0.1/0.05
µ
m
0.02/0.01
µ
m
0.4
µ
m (1 Vp-p)
(selectable)
(selectable)
Scale accuracy
±
0.5
µ
m (30 to 170 mm),
±
1.0
µ
m (220 to 370 mm),
±
1.5
µ
m (420 or higher)
Repeatability
0.05
µ
m or less
Return error
0.05
µ
m or less
Temperature expansion coefficient
Neoceram
−
0.7
×
10
−
6
/
°
C
.
Soda lime glass 8
×
10
−
6
/
°
C
Maximum response speed
1000 mm/s
1500 mm/s (0.1
µ
m)
300 mm/s (0.02
µ
m)
3000 mm/s (Note 1)
650 mm/s (0.05
µ
m)
120 mm/s (0.01
µ
m)
Minimum phase
Minimum phase
Minimum phase
Max: 7.5 MHz
difference: 80 ns
difference: 38 ns
difference: 38 ns
Alarms
Signal level error;
Max. response speed exceeded or
None
A/B output signal is
None Signal level error;
in high impedance.
When one of these states occurs, the output
signal becomes high impedance.
Head cable
Cable length
300 mm
Bending radius
Static: 10 mm immobile
Output cable length
15 m max. (Note 2)
15 m max. (Note 1)
(up to the electronic control section (connected later))
(Note 2)
Power supply (Note 3)
+
5 V
+
10
%
+
5 V
±
5 %
−
5
Consumption current
200 mA (no load)/
290 mA (no load)/350 mA
250 mA (no load,
250 mA (when using
(when using 120
Ω
terminal)
when using 120
Ω
120
Ω
terminal)
terminal)
Vibration resistance
100 m/s
2
(50 to 2000 Hz)
Impact resistance
200 m/s
2
Operating temperature range
0 to
+
40
°
C (no condensation)
Storage temperature range
−
10 to
+
50
°
C
Light source
Semiconductor laser Maximum output: 6 mW Wavelength: 790 nm
Radiation power
JIS class 1
DHHS class 1
Note 1: There is a correlation between the maximum response speed and output cable length.
Cable length (m)
Maximum response speed (mm/s)
3
3000
9
2330
15
1660
Note 2: The system will not be compliant with EN61000-6-2 if the power supply line exceeds 10 m.
Devise and implement measures to prevent surges.
Note 3: The connector input section shall satisfy the specifications.
Summary of Contents for BL57-003NE Series
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