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Model 5501A
l nstallation and Operation
INTERFACE CARDS
Figure 2-2. Typical Transducer System interconnections
I
I
2-15.
Cable Fabrication
t15V
COM
-15v
2-16.
Power and signal interconnecting cables of suitable length must be fabricated using the three plugs
included with the laser head. Figure 2-3 illustrates the physical details of the three supplied plugs and gives
part numbers for both the plugs and the recommended cables. Refer toTable 2-1 for rear-panel connector
pin numbers of all available power and signal lines.
WWER SUPPLY
2-17.
OPERATION
2-18. The following paragraphs describe the laser head controls, connectors, and indicators, and describe
the steps necessary to apply power to the laser head and toverify that the laser beam is aligned through the
optical components of the system.
REF, r 1 5 V
-
2-19.
Controls, Connectors, and Indicators
2-20. Figure 2-4 identifies and describes each of the operating controls, connectors, and indicators. Refer
to Table 2-1 for information regarding the specific power and signal lines that are available at each of the
connectors.
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2-21.
Power Application
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'I
L
2-22. The installed laser head unit is activated when +I5 Vdc and -15 Vdc are applied to the unit. After
connecting the POWER plug, measure the voltage at pins A and B of the diagnostics connector and ensure
that the power source is adjusted to conform to the following requirements.
Measured Voltage
+15V
t
0.25 Vdc
-15V
t
0.25 Vdc
-
MEAS X
I 1
+15v
-
l l
MEAS Y
+15v
52
-
t
HP 10780A
HP 5501A
I
I
J1
-
-
I
I
u
-
HP 10780A
RECEIVER
Y
AXIS
LASER
TRANSDUCER
HP 10780A
RECEIVER
Z
AXIS
RECEIVER
X
AXIS
CALCULATOR
OR
OTHER
CONTROLLER
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