Toshiba Programmable Logic Controller V200 - Manual (Page 63)

Page 55
2.5 Safety Precautions
General Information:
1. V200s has been designed and manufactured for use in an industrial environment. However, the V200
is not intended to be used for systems which may endanger human life. Consult Toshiba if you intend to
use the V200 for a special application, such as transportation machines, medical apparatus, aviation
and space systems, nuclear controls, submarine systems, etc.
2. The V200 has been manufactured under strict quality control. However, to keep safety of overall
auto- mated system, fail-safe systems should be considered outside the V200.
3. In installation, wiring, operation and maintenance of the V200s, it is assumed that the users have general
knowledge of industrial electric control systems. If this product is handled or operated improperly, electrical
shock, fire or damage to this product could result.
4. This manual has been written for users who are familiar with Programmable Controllers and industrial
control equipment. Contact Toshiba if you have any questions about this manual.
Hazard Classifications:
In this manual, the following two hazard classifications are used to explain the safety precautions.
Indicates a potentially hazardous situation which, if not avoided, could result in death or
serious injury.
Indicates a potentially hazardous situation which, if not avoided, may result in minor or
moderate injury. It may also be used to alert against unsafe practices.
Even a precaution is classified as CAUTION, it may cause serious results depending on the situation. Observe all
the safety precautions described on this manual.
CAUTION
1. Excess temperature, humidity, vibration, shocks, or dusty and corrosive gas environment
can cause electrical shock, fire or malfunction. Install and use the V200 and related
equipment in the environment described in this manual.
2. Improper installation directions or insufficient installation can cause fire or the
units to drop. Install the V200 and related equipment in accordance with the
instructions described in this manual.
3. Turn off power before installing or removing any units, modules, racks or terminal blocks.
Failure to do so can cause electrical shock or damage to the V200 and related equipment.
4. Entering wire scraps or other foreign debris into to the V200 and related equipment can
cause fire or malfunction. Pay attention to prevent entering them into the V200 and
related equipment during installation and wiring.
5. Turn off power immediately if the V200 or related equipment is emitting smoke or odor.
Operation under such situation can cause fire or electrical shock. Also unauthorized
repairing will cause fire or serious accidents. Do not attempt to repair. Contact Toshiba
for repair or replacement.