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Chapter 4
4.4
The deflection unit is connected to a RAYLASE control card using the 25-pin D-SUB connect-
or. All signals are compatible with RAYLASE's extended function XY2-100 standard.
If the deflection unit is also fitted with a 9-pin D-SUB connector, the power supply to the de-
flection unit comes from this additional connector. Deflection units that are not fitted with a 9-
pin D-SUB connector are powered by the digital interface. Refer to the following connection
table:
1
13
25 PIN D-SUB
I = Diff. Input, nc = not connected, O = Diff. Output
1) If there is no separate 9-pin D-SUB power input, the power supply is provided by the digital inter-
face. The power supply must be provided by the OEM customer.
Specifications
Diff. Input-, Diff. Input+
Input voltage
Input threshold
Hysteresis
Input impedance
ESD protection
18
RAYLASE 2-Axis Subsystems for Laser Beam Deflection
For deflection units with digital interface only
Digital interface
PIN
Signal
1
I
-SENDCLOCK
2
I
-SYNC
3
I
-X CHANNEL
14
4
I
-Y CHANNEL
5
nc
6
O
-HEAD-STATUS
25
7
nc
8
nc
9
nc
10
nc
11
GND Input
12
nc
13
nc
5V
200mV
typ. 45mV
120Ω
±15kV
PIN
14
15
16
17
18
19
20
21
1
1
+VSS
22
1
1
+VSS
23
24
1
1
-VSS
25
1
1
-VSS
---
- Diff. Output-, Diff. Output+
Output low
Output high
ESD protection
Functional description
Signal
I
+SENDCLOCK
I
+SYNC
I
+X CHANNEL
I
+Y CHANNEL
nc
O
+HEAD-STATUS
nc
nc
1
1
nc
+VSS
GND Input
GND Input
1
1
nc
-VSS
---
max. 0.6V
max. 40mA
min. 2V @ 50Ω
max. 40mA
±10kV
MN072 / v1.0.0
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