H. OPERATION OF PORTABLE
Table 1 Description of Each Section
No. Name Descriptions
1 Light Sources
An LED (Light emitting diode) is mounted for each channel and for the feed
hole (9 diodes in total). A built–in Stop Shoe functions to decelerate the tape.
The light source is attracted to the optical reader by a magnet so that the tape
will be held in the correct position. This unit can be opened upward, by turning
the tape reader control switch to the RELEASE position (this turns off the
2 Optical Reader
Reads data punched on the tape, through a glass window. Dust or scratches
on the glass window can result in reading errors. Keep this window clean.
3 Capstan Roller Controls the feeding of tape as specified by the control unit.
A 3–position switch used to control the Tape Reader.
RELEASE The tape is allowed to be free, or used to open the light-
When loading or unloading the tape, select this position.
AUTO The tape is set to fixed position by the Stop Shoe. The
feed and stop of the tape is controlled by the CNC. To in-
put data from tape, the Light Source must be closed and
this position must be selected.
MANUAL The tape can be fed in the forward reading direction. if
another position is selected, the tape feed is stopped.
5 Tape Box
A Tape Box is located below the Tape Reader. A belt used to draw out a pa-
per tape is located inside the box. The paper tape can easily be pulled out
using this belt. The tape box accomodates 15 meters of tape.
6 Handle Used to carry the tape reader.
7 Winder Used to advance or rewind the tape.
(usually kept open)
When removing the rolled tape, reduce the
internal diameter by pushing the fastener.
9 Cover lock
Be sure to use the lock for fastening the cover before carrying the tape read-