Ch. 20. Safety Precautions
20. Safety Precautions
CHAPTER REV. 1659, DATED 10/07/2013, 22:54. USER GUIDE REV. 1714, DATED 10/25/2013, 20:36.
Chapter Contents
20.1 Motor Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
20.1.1 Avoiding unsafe situations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
20.1.2 How to stop the motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
20.2 Light Source Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
20.2.1 Non-visible Laser Diode or Super Luminescent Diode Light . . . . . . . . . . . . 231
20.2.2 The Laser Optical Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
20.2.2.1 Laser Safety Interlocks . . . . . . . . . . . . . . . . . . . . . . . . 232
20.3 Power Supply Safety and Thermal Management . . . . . . . . . . . . . . . . . . . . . . 234
20.3.1 High Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
20.3.2 Fuses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
20.3.3 Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
20.4 Instrument Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
During normal use, the Cypher SPM poses no harm to the operator. Nevertheless, there are potential
dangers in and around the instrument. Please read this section carefully to understand where the potential
dangers lie before attempting to use the Cypher.
20.1. Motor Safety
The Cypher SPM contains six motors which direct the laser beam and move the objective lens and
cantilever holder into position. All the motors are highly geared and can generate powerful torques
that could seriously pinch a finger. The most important moving parts to be aware of, from a safety
perspective, are the cantilever holder and the objective lens, along with its carriage. Always keep your
hands clear of the Cypher when performing any software or manually controlled motor moves.
20.1.1. Avoiding unsafe situations
• Familiarize yourself with potential pinch points.
Figure 20.1 on page 230 indicates the areas
of concern: directly under the objective lens and cantilever holder, at the edges of the scanner
module, and both above and below the two cross-roller bearing stages.
• It is advisable to always leave the optics cover in place. Removing it will expose additional areas
where one could get pinched.
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