Magnescale LT20A Series, Instruction Manual

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(E)
1
LT20A / LT30 Series
1-1. General precautions
When using Magnescale Co., Ltd. products, observe the
following general precautions along with those given
specifically in this manual to ensure proper use of the
products.
•
Before and during operations, be sure to check that our
products function properly.
•
Provide adequate safety measures to prevent damage in
case our products should develop a malfunction.
•
Use outside indicated specifications or purposes and
modification of our products will void any warranty of the
functions and performance as specified for our products.
•
When using our products in combination with other
equipment, the functions and performance as noted in
this manual may not be attained, depending upon the
operating environmental conditions. Make a thorough
study of the compatibility in advance.
•
Design and specifications are subject to change without
notice.
1. Note to users
1-2. Handling instructions
•
Do not open the cover of this device or put your hand
inside. Otherwise the internal circuit may be broken by
static electricity.
•
To prevent malfunctions caused by static electricity,
always turn off the power when touching other parts than
the key switches.
•
Do not route the connecting cable through the same duct
as the machine power line.
•
To prevent misoperation of surrounding equipment due
to noise emitted from this counter unit and vice versa,
connect the power cable in a twisted manner when
supplying DC power.
•
When providing DC power, be sure to use within the
specified voltage range.
•
Absolutely do not connect an AC power supply to the I/O
connector. Doing so may damage the internal circuits.
•
Do not use connection prohibited I/O connector pins as
relay pins.
•
When connecting the BCD connector, be sure to wire the
connector correctly.
Failure to do so may damage the internal circuits.