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CHAPTER 3
3. Laser Diode Driver Module Operation
3.1 Laser Diode Driver Module
3.1.1 Introduction
The 8500 and 8600 Series laser modules are precision current source modules for use
in the 8000 Modular Controller. It may be installed in any of the bays at the rear of
the 8000 and may be interchanged with any other module.
Features of the 8500 and 8600 Series include:
• Service-free modularity (calibration information is stored on the module)
• Closed-case calibration
• High-stability, low noise design
• Flexible setup with 8000 Save/Recall front panel functions
• Photodiode feedback control mode
• Modulation input (8500 Series only)
• Fault detection
• Current and voltage limiting
• Special Configuration for MOPA Lasers (65xxM modules)
3.1.2 Installation
This section describes the procedures for installing and removing a module from the
8000.
NOTE
The save/recall bin information will be lost upon detecting
any change in the module configuration (such as installing
a new module).
CAUTION
Although ESD (electrostatic discharge) protection is
designed into the module, operation in a static-fee work
area is recommended.
CAUTION
Do not plug-in or unplug a module with
the AC power on.
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