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S: Severity of injury
As a risk evaluation, select the worst injury-severity rating which will be caused by failure of a safety-related part of the control system.
F: Frequency and/or exposure to hazard
- F1: Seldom-to-less-often and/or exposure time is short
- F2: Frequent-to-continuous and/or exposure time is long
The degree to which workers are exposed to hazard while performing tasks such as installing a cutting tool, etc.
If it is necessary to perform periodic work on a machine in operation, select F2. If workers rarely have access to the machine, select F1.
P: Possibility of avoiding hazard or limiting harm
If there is little possibility of avoiding hazard when it occurs, choose P2; otherwise, choose P1.
Parameter P is influenced by the working conditions during operation, the skill level of the operator, presence or absence of safety knowledge, the operating speed of the machine, and whether or not there is a possibility of avoiding hazard.
P: Possibility of avoiding hazard or limiting harm
If there is little possibility of avoiding hazard when it occurs, choose P2; otherwise, choose P1.
Parameter P is influenced by the working conditions during operation, the skill level of the operator, presence or absence of safety knowledge, the operating speed of the machine, and whether or not there is a possibility of avoiding hazard.
F: Frequency and/or exposure to hazard
- F1: Seldom-to-less-often and/or exposure time is short
- F2: Frequent-to-continuous and/or exposure time is long
The degree to which workers are exposed to hazard while performing tasks such as installing a cutting tool, etc.
If it is necessary to perform periodic work on a machine in operation, select F2. If workers rarely have access to the machine, select F1.
P: Possibility of avoiding hazard or limiting harm
If there is little possibility of avoiding hazard when it occurs, choose P2; otherwise, choose P1.
Parameter P is influenced by the working conditions during operation, the skill level of the operator, presence or absence of safety knowledge, the operating speed of the machine, and whether or not there is a possibility of avoiding hazard.
P: Possibility of avoiding hazard or limiting harm
If there is little possibility of avoiding hazard when it occurs, choose P2; otherwise, choose P1.
Parameter P is influenced by the working conditions during operation, the skill level of the operator, presence or absence of safety knowledge, the operating speed of the machine, and whether or not there is a possibility of avoiding hazard.
Normally, the required Performance Level (PLr) in your case is
“PLr c”.
The selection result is only a guide.
Normally, the required Performance Level (PLr) in your case is
“PLr d”.
The selection result is only a guide.
Normally, the required Performance Level (PLr) in your case is
“PLr d”.
The selection result is only a guide.
Normally, the required Performance Level (PLr) in your case is
“PLr e”.
The selection result is only a guide.
Normally, the required Performance Level (PLr) in your case is
“PLr a”.
The selection result is only a guide.
Normally, the required Performance Level (PLr) in your case is
“PLr b”.
The selection result is only a guide.
Normally, the required Performance Level (PLr) in your case is
“PLr b”.
The selection result is only a guide.
Normally, the required Performance Level (PLr) in your case is
“PLr c”.
The selection result is only a guide.
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