Specifications

28
Differential square-wave
Differential square-wave with Origin Point Mark
Gage
Heads
1
2
3
6
5
4
Output Signal Specifications
2) Recommended processing circuit for received waveform
3) Timing chart (normal)
4) Timing chart (occurrence of gage alarm)
*1: With an LGF gage, a seventh signal line may be provided to output the error alarm. (Factory option).
*: Power supply (120mA) to a sensor (gage head)
Power supply ripple voltage: 200mVp-p or less
*: Power supply to a gage head
Supply voltage: 5V (4.8-5.2V)
Ripple voltage: 200mVp-p or less
Current consumption: 120mA

¬2ESOLUTIONS¬VARY¬DEPENDING¬ON¬THE¬GAGE
!
!
"
"
¬0HASE"¬WILL¬BE¬THE¬HALF¬OF¬NORMAL¬OUTPUT
!
!
"
"
1) Pin assignment
1
8
2
3
4
5
6
7
0.1μm LGB 0.1μm LGK/LGF 0.5μm LGK/LGF 1μm LG/LGB/LGF 5μm LGF
Output signal 90° phase difference, differential square wave (RS-422A equivalent)
Signal pitch 0.4
μm 2μm 4μm 20μm
Minimum edge interval 250nsec. 200nsec. 250nsec. 500nsec. 1000nsec.
Output signal level
+5V (4.8 to 5.2V, 80mA) øA, øA, øB, øB: TTL output, line driver output, AM26LS31 or equivalent
Plug type RM12BPE-6PH (HIROSE)
Compatible socket RM12BRD-6S (HIROSE)
Recommended receiver Differential input, line receiver, AM26LS32 or equivalent
Gage connecting cable length 2 m; directly connected to the gage
Maximum extension cable length 20m (extension cables of 5, 10 and 20m in length are available)
Alarm output*
1
A special signal (see the chart below) is output when an alarm condition occurs
Power supply +5V (120mA), power supply ripple voltage 200mV p-p max.
0.5μm reading 1μm reading
Output signal 90° phase difference, differential square wave (RS-422A equivalent)
Signal pitch 2
μm 4μm
Minimum edge interval 250nsec. 500nsec.
Output signal level
+5V (4.8 to 5.2V, 120mA) øA, øA, øB, øB, øZ: TTL, line driver, AM26LS31 or equivalent
Plug type PRC05-P8M (TAJIMI)
Compatible socket PRC05-R8F (TAJIMI)
Recommended receiver Differential input, line receiver, AM26LS32 or equivalent
Gage connecting cable length 2 m; directly connected to the gage
Maximum extension cable length 20m (extension cables of 5, 10 and 20m in length are available)
Alarm output A special signal (see the chart below) is output when an alarm detection occurs
Power supply +5V (120mA), power supply ripple voltage 200mV p-p max.
Pin No. Assignment
1 +5V
2 øA
3 øB
4
øA
5 GND
6
øB
Pin No. Signal
1 +5V
2 GND
3 øA
4
øA
5 øB
6
øB
7
øZ
8 øB
øA, øB
LGF output circuit Recommended receiving circuit
øA, øB
51
200
47k
4.7k
26LS32
equivalent
1.8k
GND
GNDGND
+5V
+5V
+5V
+5V
33pF
470pF
øZ
470pF
¬¬8Z
8Z
¬¬¬8Z¬2EPEATABILITY¬OF¬ORIGIN¬POINT¬POSITION¬EDGE¬REPRODUCIBILITY¬¬¬¬¢«M
¬¬¬¬¬¬¬¬¬¬AT¬A¬SCALE¬TRAVEL¬SPEED¬LESS¬THAN¬MMSEC¬IN¬THE¬SAME¬DIRECTION
¬¬¬8Z¬0ULSE¬WIDTH¬OF¬ORIGIN¬POINT¬SIGNALS¬¬!PPROX¬¬TO¬«M¬REFERENCE
!
"
:
¬¬8Z
2) Recommended processing circuit for received waveform 3) Timing chart (normal)
1) Pin assignment
K
K
K
K
K
2
4
K3
6
1
5
+5V
+5V
+5V
GND
10k
10k
100p
10k
100p
10k
RM12BRD-6S
A
B
DOWN PULSE
UP PULSE
51
26LS32 equivalent
33pF
51
33pF
This time constant controls
UP/DOWN pulse length.
A
B
UP PULSE
DOWN PULSE
tw
RM12BPE-6PH
(HIROSE)
PRC05-P8M
(TAJIMI)