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6. Main Specifications
Item
Detection system
Scale length
Measuring length (mm) 30, 70, 120, 170, 220, 270, 320, 370, 420
Measuring length
Scale overall length
Grating pitch
Signal pitch
Output signal
Output resolution
Scale accuracy
Return error
Repeatability
Temperature expansion coefficient
Maximum response speed
Alarms
Head cable
Cable length
Bending radius
Output cable length
Power supply
Consumption current
Vibration resistance
Impact resistance
Operating temperature range
Storage temperature range
Light source
Radiation power
BL55-NE
Performance / Functions
A/B signal output type
Diffraction grating scanning system
Measuring length +10 mm (5 mm on each side)
Measuring length +26 mm
1.6 µm
0.4 µm
Differential (compliant with EIA-422)
: 0.1 µm
Output format A
: 0.1/0.05 µm (selectable)
Output format F
: 0.02/0.01 µm (selectable)
Output format G
± 2.5 µm (30 to 220 mm), ± 4.5 µm (270 mm or higher) (Note 1)
0.05 µm or less
0.05 µm or less
_0.7 x 10
_6
/ dC
Output format A
: 1000 mm/s
Minimum phase difference: 80 ns
: 2000 mm/s (0.1 µm)
Output format F
1000 mm/s (0.05 µm)
Minimum phase difference: 38 ns
: 400 mm/s (0.02 µm)
Output format G
200 mm/s (0.01 µm)
Minimum phase difference: 38 ns
Output format A
: Signal level error;
A/B output signal is in high
impedance.
Output format F, G : Max. response speed exceeded
or None Signal level error;
When one of these states occurs,
the output signal becomes high
impedance.
1 m (Note 2)
Static: 30 mm Moving: 100 mm
15 m max. (Note 4)
Output format A
: +5 V DC
Output format F, G, H : +5 V DC ± 5 % (Note 5)
Output format A
: 200 mA (no load)/
250 mA (when using 120 Z terminal)
Output format F, G : 290 mA (no load)/
350 mA (when using 120 Z terminal)
100 m/s
2
(50 to 2000 Hz)
2
200 m/s
0 to +40 dC (no condensation)
_10 to +50 dC
Semiconductor laser Maximum output: 6 mW Wavelength: 790 nm
JIS class 1
DHHS class 1
Analog output type
Differential
3000 mm/s (Note 3)
Max: 7.5 MHz
None
15 m max. (Note 3) (Note 4)
+10
%
_5
Output format H: 250 mA (no load,
when using 120
Z terminal)
6-1
(E)
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