Autonics LE7M-2 Series Product Manual

TCD210143AC
W 72 × H 72 mm LCD
Week / Year Digital Timers
LE7M-2 Series
PRODUCT MANUAL
For your safety, read and follow the considerations written in the instruction
manual, other manuals and Autonics website.
The specifications, dimensions, etc. are subject to change without notice for product
improvement. Some models may be discontinued without notice.

Features

• Various external input functions
• Clear display with built-in backlight
• Easy to check and change the program setting
• Customizable weekly or yearly unit time setting and control by user
• Includes daylight saving time function
• Built-in 2 independent control output (relay)
• Flush mount or Surface / DIN rail mount available (depending on the model)
ᜢ ᜧ

Safety Considerations

• Observe all 'Safety Considerations' for safe and proper operation to avoid hazards.
• ᜸ symbol indicates caution due to special circumstances in which hazards may occur.
᜸ Warning
Failure to follow instructions may result in serious injury or death.
01. Fail-safe device must be installed when using the unit with machinery that
may cause serious injury or substantial economic loss.(e.g. nuclear power
control, medical equipment, ships, vehicles, railways, aircraft, combustion
apparatus, safety equipment, crime/disaster prevention devices, etc.)
Failure to follow this instruction may result in personal injury, economic loss or fire.
02. Do not use the unit in the place where flammable/explosive/corrosive gas,
high humidity, direct sunlight, radiant heat, vibration, impact or salinity
may be present.
Failure to follow this instruction may result in explosion or fire.
03. Install on a device panel or DIN rail to use.
Failure to follow this instruction may result in fire or electric shock.
04. Do not connect, repair, or inspect the unit while connected to a power
source.
Failure to follow this instruction may result in fire or electric shock.
05. Check 'Connections' before wiring.
Failure to follow this instruction may result in fire.
06. Do not disassemble or modify the unit.
Failure to follow this instruction may result in fire or electric shock.
07. Since Lithium battery is embedded in the product, do not disassemble or
burn the unit.
Failure to follow this instruction may result in fire.
08. Please contact to us for battery replacement.
᜸ Caution
Failure to follow instructions may result in injury or product damage.
01. When connecting power/external input and relay output,
use AWG 20 (0.50 mm ) cable or over, and tighten the terminal screw
2
with a tightening torque of 0.74 to 0.90 N m.
Failure to follow this instruction may result in fire or malfunction due to contact
failure.
02. Use the unit within the rated specifications.
Failure to follow this instruction may result in fire or product damage.
03. Use a dry cloth to clean the unit, and do not use water or organic solvent.
Failure to follow this instruction may result in fire or electric shock.
04. Keep the product away from metal chip, dust, and wire residue which flow
into the unit.
Failure to follow this instruction may result in fire or product damage.

Cautions during Use

• Follow instructions in 'Cautions during Use' .
Otherwise, it may cause unexpected accidents.
• When supplying or turning off the power, use a switch or etc. to avoid chattering.
• Install a power switch or circuit breaker in the easily accessible place for supplying or
disconnecting the power.
• Keep away from high voltage lines or power lines to prevent inductive noise. In case
installing power line and input signal line closely, use line filter or varistor at power line
and shielded wire at input signal line.
Do not use near the equipment which generates strong magnetic force or high
frequency noise.
• In case of controlling a heater, be sure to use a thermostatic switch at the load circuit.
• This unit may be used in the following environments.
- Indoors (in the environment condition rated in 'Specifications')
- Altitude max. 2,000 m
- Pollution degree 2
- Installation category II