Valid range of this manual The manual applies to devices of PR series PLC. Safety Guideline This manual contains notices you have to observe in order to ensure your personal safety, as well as to prevent damage to property. The notices referring to your personal safety are highlighted in the manual by a safety alert symbol; notices referring to property damage only have no safety alert symbol. The notices shown below are graded according to the degree of danger. Caution Indicates that death or severe personal injury may result if proper precautions are not taken Caution With a safety alert symbol indicates that minor personal injury can result if proper precautions are not taken.
Caution Without a safety alert symbol indicates that property damage can result if proper precautions are not taken. Attention Indicate that an unintended result or situation can occur if the corresponding notice is not taken into account. If more than one degree of danger is present, the warning notice representing the highest degree of danger will be used. A notice warning 2