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Instruction manual SIPLACE SX1/SX2 Edition V2 and V3 2 Operation al safety From software version SC.713.1 Edition 12/2020 2.9 Locking and at taching the war ning labels 99 2.9.4 Responsibility and obligations – It shall …
2 Operational safety Instruction manual SIPLACE SX1/SX2 Edition V2 and V3
2.9 Locking and attaching the warning labels From software version SC.713.1 Edition 12/2020
98
Alternatively: Tag out procedure
If the placement machine can be locked out, it must be. However, there are situations where
it is not possible to attach a lock in order to isolate the energy. In these cases, the energy-
isolated placement machine must be tagged to warn employees that the placement machine
is isolated for servicing. The tag must be securely fastened, it must be placed in a position
visible to all and it may only be removed by the person who attached it.
2
Release stored energy
Stored energy in the compressed air supply or electrical energy in electrolytic capacitors
must be released by appropriate means.
2
After switching off the placement machine, wait the specified discharge or pressure un-
loading time (see sections 2.7
, page 92, and 2.8, page 95), before the placement ma-
chine can be operated again without risk.
Verify the lock out.
Testing the lock out for the placement machine can be done simply by pressing the start but-
ton.
The following steps must be taken to restore the placement machine to operation:
Check the area. Authorized employees should remove all of their tools and reinstall all
guards.
Notify all affected employees.
Before removing even one lock or tag, inform all workers in the area that the placement
machine is going to be restarted.
Remove locks/tags
Each authorized employee must remove his or her own lock. Each authorized employee
will have his or her own lock.
Turn the placement machine on. Authorized workers should observe the equipment in
operation to insure repairs were done correctly.
2.9.3 Testing
Service personnel may test the circuits by activating them briefly without canceling the locking
method. This may be done only when no other work is being performed by any other person on
the equipment being tested.
It is extremely important that all remote start switches be tagged with the Do Not Operate tag to
prevent inadvertent operation of the equipment during these periods.
Instruction manual SIPLACE SX1/SX2 Edition V2 and V3 2 Operational safety
From software version SC.713.1 Edition 12/2020 2.9 Locking and attaching the warning labels
99
2.9.4 Responsibility and obligations
– It shall be the responsibility of the maintenance and service personnel to make sure this pro-
cedure is adhered to.
– It shall be the responsibility of the maintenance and service personnel’s immediate supervisor
to instruct his personnel on this procedure.
– It shall be the responsibility of the safety officer to manage the procedure for lockout and tag-
ging the placement machine.
2.9.5 Training
– The safety regulations require training for every individual. Of course, not every employee is
exposed to the same degree of danger or is involved with LO/TO as others are. So extensive
training is not necessary for everyone.
– To determine how much training to provide for each worker, the employees are divided into
three groups. Each group has its own level of training:
– Authorized employees.
– These workers actually install the locks and tags and do the preventive maintenance or
service work. So they must know the most about controlled energy. First, they must be
able to recognize all energy sources and measure the amount of energy. Authorized em-
ployees must look for energy sources out of the realm of the obvious. These energy
sources include electrical, mechanical, hydraulic, pneumatic, chemical, thermal and
gravitational. Once these workers can recognize all energy sources they must be taught
how to isolate, control, and release the energy without any risk.
– Affected employees
– These are workers who operate the placement machines or equipment that is to be de-
energized. Other employees who may be affected include those who work in an area that
contain equipment that may be locked/tagged out. These employees have to be in-
structed about the nature of the energy control program. They must know why lock/tag
out is important, what tags and locks look like and why they must not remove tags or
locks.
– All others
– As the name implies, any employee who is not affected or authorized fits into this cate-
gory. There employees include office personal, managers, and upper management. Al-
though they do not have a direct relationship to the machinery being locked or tagged,
they have to receive some training.
2 Operational safety Instruction manual SIPLACE SX1/SX2 Edition V2 and V3
2.10 ESD guidelines From software version SC.713.1 Edition 12/2020
100
2.10 ESD guidelines
2.10.1 What does ESD mean?
Almost all of the modules in use today are equipped with highly integrated MOS blocks and com-
ponents. The manufacturing techniques used mean that these electronic components are ex-
tremely sensitive to overvoltage and thus to electrostatic discharge.
The abbreviation for such modules is 'ESD' (Electrostatic Sensitive Device). ’ESD’ is used inter-
nationally. The following symbol on cabinet typeplates, racks or packaging indicates that compo-
nents which are sensitive to electrostatic discharge have been used and that the modules
concerned are also touch-sensitive.
ESDs can be destroyed by voltages and power levels that are far below the level
that can be perceived by humans. Such voltages occur if a person touches a com-
ponent or module without earthing themselves. Components that are exposed to
such overvoltages do not generally appear to be defective immediately - incorrect
behavior starts after the component or module has been in operation for some time.
2.10.2 Important measures to protect against static charging
Most plastics can easily become charged and must therefore be kept away from at-risk com-
ponents.
Always ensure that people, the workplace and packaging are safely earthed when handling
electrostatic sensitive components.
2.10.3 Handling ESD modules
Do not touch electronic modules unless it is absolutely essential to do so in order to carry out other
work. If it is necessary, make sure that you do not touch the pins or printed conductors when you
pick up flat modules.
Do not touch components unless
you are constantly earthed by an ESD wrist strap or
you are wearing ESD shoes or ESD shoe earthing strips on an ESD floor.
Always discharge yourself before you touch an electronic module. To do this, simply touch a con-
ductive and earthed object immediately before you touch the module (such as unpainted parts of
a switch cabinet, a water pipe, etc.).
Do not allow modules with chargeable and highly insulating materials to touch one another, e.g.
plastic films, insulating table surfaces or items of clothing made from synthetic fibers.
Always place the modules on a conductive surface (table with an ESD coating, conductive ESD
foam, ESD bag or container).