Magnescale LT20A Series, Instruction Manual

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2
(E)
LT20A / LT30 Series
1-4. Instructions for connecting to
the measuring unit
Set the input resolution of the counter unit to match the
resolution of the measuring unit. Measuring may not be
performed correctly if the resolutions do not match. The
input resolution is set by the initial settings. (See “5-1. Initial
settings”.)
•
LT20A
•
The LT20A is a counter unit designed for DG and DL
series measuring units with mini DIN type connectors.
•
When the measuring range of the connected
measuring unit is 100 mm or more and the display
resolution is set on 0.0005 mm, not all the measuring
ranges can be displayed. (The highest rank figure
becomes the “F” display, which means an overflow.)
Therefore, set a display resolution on or below 0.001
mm.
•
LT30
•
The LT30 is a counter unit designed for DK series
measuring unit with mini DIN type connectors.
•
Place the counter unit more than 0.5 m (20") away from a
high voltage source, large current source, large power
relay, etc.
•
For installation of the counter unit, avoid a location
exposed to chips, cutting oil, or machine oil. If
unavoidable, take adequate countermeasures.
•
Do not put a vinyl cover directly over the counter unit or
put it in a closed container.
•
The ambient temperature should be in the range of 0
°
C
to 40
°
C (32
°
F to 104
°
F). Avoid exposure to direct
sunlight, hot air currents, or heated air.
1-3. Cautions on operation
Carry out the key operations or I/O (BCD, etc.) connections
and operations in line with the explanations given in the
appropriate sections. Failure to correctly operate this
device may result in a malfunction.