SMC Networks HRZD020-W1S-W1S, Operation Manual

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HRX-OM-M005
Chapter 1 Safety Instructions
1.5 Safety Measures HRZD Series
1-10
1.5.3 Lockout/Tagout
Summary
Lockout of the product disables the main breaker operation to prevent electric
shocks.
Tagout, to be placed on the locked out main breaker, prevents improper breaker
operation (ON) conducted by other personnel.
See “ Lockout procedure” in the following pages for a step-by-step guide to
lockout/tagout.
Main breaker
Padlock
Tag
Front
Figure 1-11 Lockout/Tagout
People performing service of the product should have an awareness of
the importance of lockout. Thorough understanding of the procedures
defined in this manual are required for product service.
Lockout is allowed only when the product come to a full stop.
A supervisor should be appointed to direct all personnel if multiple
workers engage in system service.
The supervisor is to perform lockout based on a full understanding of
overall process conditions.
Not only all personnel but new personnel that engage in service of this
system should have an awareness of the importance of lockout and
obtain thorough understanding of the lockout
procedure.
Any personnel working in an area with high voltage should be
assigned with padlocks and tags. The key for the padlock is kept under
the responsibility of the supervisor, and lockout release is performed
upon completion of work.