h7cx-a11d1 Omron Corporation, h7cx-a11d1 Datasheet - Page 59

• Manufacturer Part Number: h7cx-a11d1
• Description: Multifunction Preset Counter
• Manufacturer: Omron Corporation

Safety Precautions (Common)
Refer to Safety Precautions for All Counters.
Note: The following precautions are common for all H7CX models.
■ Precautions for Safe Use
Operating and Storage Conditions
• Do not use in locations affected by excessive vibration or shock, or
• Do not use the product in locations subject to dust, corrosive
• Separate the input signal devices, input signal cables, and the
• Separate the product from the source of static electricity when
• Organic solvents (such as paint thinner), as well as very acidic or
• Use the product within the ratings specified for temperature and
• Do not use the product in locations where condensation may occur
• Store at the specified temperature. If the H7CX has been stored at
Usage Precautions
• Make sure that the voltage applied is within the specified range,
• The load current must be within the rated current.
• Ensure that the power is turned OFF before changing DIP switch
• Pay attention to terminal polarity to ensure correct wiring.
• Make sure that the fluctuation of the supply voltage is within the
• Apply the power supply voltage through a relay or switch in such a
• Set each set value to match the item being counted (or measured).
• Leaving the H7CX with outputs ON at a high temperature for a long
Loose screws may occasionally result in fire or malfunction.
Tighten the terminal screws securely. The recommended
tightening torque is 0.5 N·m.
There may occasionally be a risk of explosion. Do not use the
product where flammable or combustion gases are present.
If the output relay is used beyond its life expectancy, its contacts
may occasionally become fused or there may occasionally be a risk
of fire. The life expectancy of the output relay varies considerably
according to its usage.
Use the output relay within its rated load and electrical life
expectancy.
This may occasionally cause electric shock, fire or malfunction.
Never disassemble, repair or modify the product.
This may occasionally cause electric shock, fire or malfunction.
Do not allow metal fragments or lead wire scraps to fall inside this
product.
in locations subject to exposure to water or oil.
gases, or direct sunlight.
product from the source of noise or high-tension cables producing
noise.
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).
basic solutions might damage the outer casing of the H7CX.
humidity.
due to high humidity or where temperature changes are severe.
a temperature of less than –10°C, allow the H7CX to stand at room
temperature for at least 3 hours before use.
otherwise the internal elements of the counter may be damaged.
settings. Changing DIP switch settings with the power turned ON
may result in electric shock due to contact with terminals subject to
high voltages.
permissible range.
way that the voltage reaches the rated value within 2 s. If the
voltage is applied gradually, the power may not be reset or unstable
output operations may result.
Not matching the content of the set values with the counted (or
measured) items may cause unexpected operations resulting in
injury or damage to the equipment.
time may hasten the degradation of internal parts (such as
electrolytic 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.
CAUTION
• When the product is operated with no-voltage input (NPN input),
• Install a switch or circuit-breaker that allows the operator to
• The H7CX’s panel surface is water-resistive (conforming to NEMA
• Tighten the two mounting screws on the Adapter. Tighten them
approximately 14 V is output from the input terminals, so connect a
diode if the external power supply is less than 14 V.
immediately turn OFF the power, and make sure it is labeled
clearly.
4, UL Type 4X, and IP66). In order to prevent the internal circuit
from water penetration through the space between the H7CX and
operating panel, attach a waterproof packing between the H7CX
and installation panel and secure the waterproof packing with the
Y92F-30 Flush-mounting Adapter.
alternately, a little at a time, so as to keep them at an equal
tightness. If the panel screws are tightened unequally, water may
ingress inside the panel.
T
X
0.5 to 1 mm
2
/b
X
1
T/a
It is recommended that the space between
the screw head and the adapter should be
0.5 to 1 mm.
0 V
X
1
/a
Sensor
Input
X
2
X
1
/a
X
Auxiliary relay
(e.g., MY Relay)
H7CX
59