iii■ Visual AidsThe following aids are used to indicate certain types of information for easier reference.• Indicates important information that should be memorized, including precautions such as alarmdisplays, to avoid damaging the devices.• Indicates supplemental information.• Indicates application examples.• Indicates definitions of difficult terms or terms that have not been previously explained in thismanual. Indication of Reverse SignalsIn this manual, the names of reverse signals (ones that are valid when low) are written with a forward slash (/)before the signal name, as shown in the following example:• S-ON = /S-ON• P-CON = /P-CONRelated ManualsRefer to the following manuals as required.IMPORTANTINFOEXAMPLETERMSManual Name Manual Number ContentsΣ III Series AC SERVOPACK SGDSSafety PrecautionsTOBPS80000000 Describes the safety precautions of Σ III seriesSERVOPACK.Σ III Series SGMS/SGDS DigitalOperator Operation ManualTOBPS80000001 Provides detailed information on the operation of theJUSP-OP05A Digital Operator.