Mitsumi electronic NZ2GF-ETB ユーザーズマニュアル
1
SAFETY PRECAUTIONS
(Read these precautions before using this product.)
Before using this product, please read this manual and the relevant manuals carefully and pay full attention
to safety to handle the product correctly.
to safety to handle the product correctly.
In this manual, the safety precautions are classified into two levels: "
WARNING" and "
CAUTION".
Under some circumstances, failure to observe the precautions given under "
CAUTION" may lead to
serious consequences.
Observe the precautions of both levels because they are important for personal and system safety.
Make sure that the end users read this manual and then keep the manual in a safe place for future
reference.
Observe the precautions of both levels because they are important for personal and system safety.
Make sure that the end users read this manual and then keep the manual in a safe place for future
reference.
[Design Precautions]
WARNING
● Configure safety circuits external to the Ethernet adapter module to ensure that the entire system
operates safely even when a fault occurs in the external power supply or the Ethernet adapter
module. Failure to do so may result in an accident due to an incorrect output or malfunction.
The Ethernet adapter module will stop its operation if it detects an error such as a watchdog timer
error by the self-diagnostic function.
module. Failure to do so may result in an accident due to an incorrect output or malfunction.
The Ethernet adapter module will stop its operation if it detects an error such as a watchdog timer
error by the self-diagnostic function.
● When changing data from a peripheral device connected to the Ethernet adapter module during
operation, configure an interlock circuit in the program of another station to ensure that the entire
system will always operate safely.
For other controls to a running programmable controller on another station (such as program
modification or operating status change) or the operating status change of the Ethernet adapter
module, read relevant manuals carefully and ensure the safety before the operation. Especially, in the
case of a control from an external device to a remote programmable controller on another station,
immediate action cannot be taken for a problem on the programmable controller due to a
communication failure. To prevent this, configure an interlock circuit on the program on another
station, and determine corrective actions to be taken between the external device and the
programmable controller in case of a communication failure.
system will always operate safely.
For other controls to a running programmable controller on another station (such as program
modification or operating status change) or the operating status change of the Ethernet adapter
module, read relevant manuals carefully and ensure the safety before the operation. Especially, in the
case of a control from an external device to a remote programmable controller on another station,
immediate action cannot be taken for a problem on the programmable controller due to a
communication failure. To prevent this, configure an interlock circuit on the program on another
station, and determine corrective actions to be taken between the external device and the
programmable controller in case of a communication failure.
● Do not write any data to the "system area" and "write-protect area" (R) of the buffer memory in the
Ethernet adapter module. Doing so may cause malfunction of the Ethernet adapter module.
WARNING
CAUTION
Indicates that incorrect handling may cause hazardous conditions,
resulting in death or severe injury.
resulting in death or severe injury.
Indicates that incorrect handling may cause hazardous conditions,
resulting in minor or moderate injury or property damage.
resulting in minor or moderate injury or property damage.