Multifunction Preset Counter
H7CX
C-105
Counters
■
Operating Environment
•
Use the product within the ratings specified for submerging in water
and exposure to oil.
•
Do not use the product in locations subject to vibrations or shocks.
Using the product in such locations over a long period may result in
damage due to stress.
•
Do not use the product in locations subject to dust, corrosive
gases, or direct sunlight.
•
Separate the input signal devices, input signal cables, and the
product from the source of noise or high-tension cables producing
noise.
•
Separate the product from the source of static electricity when
using the product in an environment where a large amount of static
electricity is produced (e.g., forming compounds, powders, or fluid
materials being transported by pipe).
•
Organic solvents (such as paint thinner), as well as very acidic or
basic solutions might damage the outer casing of the H7CX.
•
Use the product within the ratings specified for temperature and
humidity.
•
Do not use the product in locations where condensation may occur
due to high humidity or where temperature changes are severe.
•
Store at the specified temperature. If the H7CX has been stored at
a temperature of less than -10
°
C, allow the H7CX to stand at room
temperature for at least 3 hours before use.
•
Leaving the H7CX with outputs ON at a high temperature for a long
time may hasten the degradation of internal parts (such as electro-
lytic capacitors). Therefore, use the product in combination with
relays and avoid leaving the product as long as more than 1 month
with the output turned ON.
•
The load current must be within the rated current.
■
Insulation
•
Specifications call for basic insulation between the power supply
and input terminals, between the power supply and output termi-
nals, and between the input and output terminals. (The H7CX-A
@
D
is not insulated between the power supply and input terminals.)
•
Input and output terminals are connected to devices without
exposed charged parts.
•
Input and output terminals are connected to devices with basic
insulation that is suitable for the maximum operating voltage.
X1T X2
X2/b T/a X1/a X1/a
X
Auxiliary relay
(e.g., MY Relay)
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