
2. Installation & wiring 3. Functions 4. Support tool 5. Appendix1. Overview
vi
Introduction
zDo not connect the product to a power supply outside the rated power supply voltage range
or to an AC power supply. Otherwise there is a risk of explosion or burnout.
zMistakenly wiring the product may cause the internal circuit to be damaged. Wire the input
and output circuits by referring to the connection examples in F P. 2-5 "2. 3. 1 Wiring the RS-
232 type". This product is not equipped with a protection circuit for a reversed power supply
connection, so there is a risk of damage when the power supply connection is reversed. Use
extreme caution when connecting the power supply.
zAvoid parallel wiring of the product's wires in the same conduit or duct with high voltage
lines or power lines (inverter power lines in particular) as this may cause malfunction or dam-
age due to the eect of induction noise.
zIf the wires are long and when there is a risk of being aected by power sources or solenoids,
independently wire the product as a general rule.
zAvoid installing or using the product in the following locations as there is a risk of malfunc-
tion or damage.
-Near induction equipment or heat sources
-Locations with many vibrations or shocks
-Dusty and dirty locations
-In an atmosphere with hazardous gases such as suldizing gas
-Locations in direct contact with water, oils, or chemicals
-Outdoors
zThis product is not an explosion-proof product. Conrm that explosion-proof capabilities are
not required when installing the product.
Precautions for Use
zUse the product in the environment listed in the catalog and manual. If this product is used
in locations with high temperatures, high humidity, condensation, corrosive gas, or excessive
vibration/shock, there is a risk of electric shock, re, and malfunction.
zThe usage environment pollution degree for this product is "pollution degree 2". Use the
product in a pollution degree 2 environment.
(Based on the IEC 60664-1 standard)
zThe power reset time is under 5s. Perform operations 5s after turning the power on.
zWhen the load and the unit are connected to dierent power supplies, always turn on the unit's power
supply rst.
zInstall the product so that the scan window is not directly exposed to sunlight or uorescent light.
zThe non-volatile memory equipped on the WB2F can be overwritten 100,000 times.