Magnescale DK812SAR Bedienungsanleitung Seite 10

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In the standard specii cations, the minimum phase dif erence is i xed at 50 ns for the
DK800SA and 100 ns for the DK800SB, but the minimum phase dif erences in the table
below are available as custom specii cations.
AB quadrature
signal minimum
phase dif erence
50 ns
100 ns
300 ns
500 ns
5-2. Output Signal Alarm
If the response speed is exceeded, the AB quadrature signal output from this
measuring unit changes to Hi impedance for about 400 ms to serve as an alarm.
5-3. Receiver
Line driver
Output: AB quadrature
signal, reference point
When extending the cable (Magnescale-approved cables only), extend so that the supply
voltage is +5 V ±5% at the extension target.
Use the CE22 series extension cables for bare wires (optional accessories).
Counter
Signal
allowable
A cycle
frequency
200 ns 5 MHz
400 ns 2.5 MHz
1.2 μs 833 kHz
2 μs 500 kHz
19.5 m or less (not including the satandard 2.5 m cable)
Maximum response
speed
Resolution Resolution
0.1 μm 0.5 μm
80 m/min 250 m/min
42 m/min 100 m/min
14 m/min 33 m/min
8.4 m/min 20 m/min
Alarm section
AB quadrature signal is Hi impedance
Remarks
DK800SA
standard product
DK800SB
standard product
Custom
specii cations
Custom
specii cations
Receiver
Line receiver
AM26C32 or
equivalent
7
(E)