SMC Networks HRZ002-W1S-F, Operation Manual

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HRX-OM-X010
Chapter 1 Safety
1.5 Safety Measures HRZ Series
1-10
1.5.3 Lockout/Tagout

Summary
Lockout in this system disables the main breaker operation to prevent electric
shocks.
Tagout, to be placed on a locked out main breaker, to prevent improper breaker
operation (ON) conducted by other personnel.
See “

Lockout procedure” in the following pages for practical lockout/tagout.
Figure 1-11 Lockout/Tagout

Those who engage in service of this system should build an awareness of the
importance of lockout. Thorough understanding of the procedures defined in this
manual are required for system service.

Lockout is allowed only when the system 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 build 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.
Front
Main breaker
Padlock
Tag