Omron Sysmac NY Series Hardware User Manual page 20

Safety Precautions
Provide measures in the communications system and user program to ensure safety in
the overall system even if errors or malfunctions occur in data link communications or re-
mote I/O communications.
If there is interference in remote I/O communications or if a major fault level error occurs,
output status will depend on the products that are used. Confirm the operation that will
occur when there is interference in communications or a major fault level error, and im-
plement safety measures. Adjust all of the settings in the slaves and Units.
The use of an uninterruptible power supply (UPS) allows normal operation to continue
even if a momentary power failure occurs, possibly resulting in the reception of an erro-
neous signal from an external device affected by the momentary power failure. Take ex-
ternal fail-safe measures. Where necessary, monitor the power supply voltage on the
system for external devices and use it as an interlock condition.
Downloading
Always confirm safety at the destination before you transfer a user program, configura-
tion data, setup data, or device variables from the Sysmac Studio. The devices or ma-
chines may perform unexpected operation regardless of the operating mode of the prod-
uct.
Actual Operation
Check the user program, data, and parameter settings for proper execution before you
use them for actual operation.
Security setting adjustments should only be performed by the engineer in charge that
possesses a thorough understanding of the security settings. Selecting non-recommend-
ed security settings can put your system at risk.
Changing BIOS information is only allowed for the engineer in charge that possesses a
thorough understanding of the BIOS settings because it can change the behavior of the
product.
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NY-series Industrial Box PC Machine Controller Hardware User's Manual (W556)