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Functional description
Chapter 4
MN071 / v1.0.0
2-Axis Subsystems for Laser Beam Deflection
17
For deflection units with analog interface only
4.3
Analog interface
The terminal assignment of the analog interface is outlined below. To determine whether the
deflection unit is fitted with an analog or a digital interface, refer to the code on the rating plate
(
PIN
Signal
PIN
Signal
1
13
25
14
25 PIN D-SUB
1
+X COMMAND
14
-X COMMAND
2
SIGNAL GND
15
X POSITION
3
SIGNAL GND
16
Y POSITION
4
SIGNAL GND
17
-Y COMMAND
5
+Y COMMAND
18
nc
6
nc
19
nc
7
nc
20
nc
8
nc
21
nc
9
+VSS
22
+VSS
10
+VSS
23
GND Input
11
GND Input
24
GND Input
12
-VSS
25
-VSS
13
-VSS
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To prevent errors, shielded cables should be used and signals must be input as shown below.
Fig. 5
Signal input