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20
Chapter 2
B
C
Link #1 turns on the TEC whenever the laser is on. Link #2 turns off the TEC
whenever the laser is off. Link #3 turns off the laser if the TEC exceeds its
temperature limits. There is no need to define a fourth link to turn off the TEC on a T
Lim condition because if Link #3 turns off the laser, Link #2 will automatically turn
off the TEC.
As shown in the example above, it is possible to setup a level of control that would
normally only be possible with a computer-based monitoring system.
When the unit enters remote mode, the linking screen is not accessible.
2.4.11
Calibration Screen
Pressing the Cal soft key displays a module selection screen exactly like the screen
shown after pressing the Modules soft key from the main menu. Press the upper soft
key for the laser or the lower soft key for the TEC. On Model 6000M and 6000MF
controllers, a second selection screen will appear to select the oscillator or amplifier
section of the MOPA module. The calibration screen is then displayed. See sections
7.2 and 7.3 for Laser and TEC calibration, respectively.
2.4.12
Configure Communications Screen
The GPIB Address is the IEEE-488 device address assigned to the 6000. Valid
addresses are 1 to 31. See the Computer Interfacing Manual for additional
information on Terminal Mode and Speed.
2.4.12.1
Error Message Control
Error messages may appear on the display when error conditions occur which force
the output off or reflect hardware errors in the 6000. Chapter 9 contains an
explanation of the error message which may be reported by the 6000. Display of
error messages on the 6000 screen may be disabled while in remote mode by setting
Err While Rmt to No, or by using the GPIB command REMERR to set this value
System Operation
1
Off
2
T Lim
→ → → →
Err While Rmt=
GPIB Address=
Speed=
Terminal Mode=
Figure 11 - Communications Screen
Turn Off 2
Turn Off 1
No
9600 Baud
No
4
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