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Caution
The operating environment of the PC System can have a large effect on the lon-
gevity and reliability of the system. Improper operating environments can lead to
malfunction, failure, and other unforeseeable problems with the PC System. Be
sure that the operating environment is within the specified conditions at installa-
tion and remains within the specified conditions during the life of the system.
5
Application Precautions
Observe the following precautions when using the PC.
WARNING
Failure to abide by the following precautions could lead to serious or possibly
fatal injury. Always heed these precautions.
•
Always ground the system to 100
Ω
or less when installing the system to pro-
tect against electrical shock.
•
Always turn off the power supply to the PC before attempting any of the follow-
ing. Performing any of the following with the power supply turned on may lead
to electrical shock:
•
Mounting or dismounting Power Supply Units, I/O Units, CPU Units,
Memory Units, or any other Units.
•
Assembling any devices or racks.
•
Connecting or disconnecting any cables or wiring.
Caution
Failure to abide by the following precautions could lead to faulty operation or the
PC or the system or could damage the PC or PC Units. Always heed these pre-
cautions.
•
Use the Units only with the power supplies and voltages specified in the opera-
tion manuals. Other power supplies and voltages may damage the Units.
•
Take measures to stabilize the power supply to conform to the rated supply if it
is not stable.
•
Provide circuit breakers and other safety measures to provide protection
against shorts in external wiring.
•
Do not apply voltages exceeding the rated input voltage to Input Units. The
Input Units may be destroyed.
•
Do not apply voltages exceeding the maximum switching capacity to Output
Units. The Output Units may be destroyed.
•
Always disconnect the LG terminal when performing withstand voltage tests.
•
Install all Units according to instructions in the operation manuals. Improper
installation may cause faulty operation.
•
Provide proper shielding when installing in the following locations:
•
Locations subject to static electricity or other sources of noise.
•
Locations subject to strong electromagnetic fields.
•
Locations subject to possible exposure to radiation.
•
Locations near to power supply lines.
•
Be sure to tighten Backplane screws, terminal screws, and cable connector
screws securely.
•
Do not attempt to take any Units apart, to repair any Units, or to modify any
Units in any way.
Caution
The following precautions are necessary to ensure the general safety of the sys-
tem. Always heed these precautions.
•
Provide double safety mechanisms to handle incorrect signals that can be
generated by broken signal lines or momentary power interruptions.
•
Provide external interlock circuits, limit circuits, and other safety circuits in
addition to any provided within the PC to ensure safety.
Application Precautions
5
Содержание SYSMAC C200HS
Страница 1: ...Cat No W235 E1 05 C200HS SYSMAC Programmable Controllers...
Страница 2: ...C200HS Programmable Controllers Operation Manual Revised February 2002...
Страница 3: ...iv...
Страница 5: ...vi...
Страница 379: ...371 SR word Corresponding key s Bit 279 03 04 05 3 06 07 VER 08 09 Monitoring Operation and Modifying Data Section 7 1...
Страница 470: ...468 Programmer Program Date Page Word Contents Notes Word Contents Notes Data Storage...
Страница 471: ...469 Programmer Program Date Page TC address T or C Set value Notes TC address T or C Set value Notes Timers and Counters...