Mitsubishi Electric MELSEC iQ-R Series Configuration Manual page 7

[Design Precautions]
WARNING
[Precautions for using Motion CPU modules and Simple Motion modules]
● Configure safety circuits external to the programmable controller to ensure that the entire system
operates safely even when a fault occurs in the external power supply or the programmable controller.
Failure to do so may result in an accident due to an incorrect output or malfunction.
● If safety standards (ex., robot safety rules, etc.,) apply to the system using the module, servo amplifier
and servo motor, make sure that the safety standards are satisfied.
● Construct a safety circuit externally of the module or servo amplifier if the abnormal operation of the
module or servo amplifier differs from the safety directive operation in the system.
● Do not remove the SSCNET cable while turning on the control circuit power supply of modules and
servo amplifier. Do not see directly the light generated from SSCNET connector of the module or
servo amplifier and the end of SSCNET cable. When the light gets into eyes, you may feel
something wrong with eyes. (The light source of SSCNET complies with class1 defined in JISC6802
or IEC60825-1.)
[Precautions for using CC-Link IE Controller Network (when optical fiber cables are used)]
● The optical transmitter and receiver of the CC-Link IE Controller Network module use laser diodes
(class 1 in accordance with IEC 60825-1). Do not look directly at a laser beam. Doing so may harm
your eyes.
[Precautions for using CC-Link system master/local modules]
● To set a refresh device in the module parameters, select the device Y for the remote output (RY)
refresh device. If a device other than Y, such as M and L, is selected, the CPU module holds the
device status even after its status is changed to STOP. For how to stop data link, refer to the MELSEC
iQ-R CC-Link System Master/Local Module User's Manual (Application).
[Precautions for using C Controller modules]
● In the settings of refresh parameters, link output (LY) refresh devices and remote output (RY) refresh
devices do not allow the specification of Y. Thus, the CPU module holds the device status even after
its status is changed to STOP.
[Precautions for using redundant function modules]
● The optical transmitter and receiver of the redundant function module use laser diodes (class 1 in
accordance with IEC 60825-1). Do not look directly at a laser beam. Doing so may harm your eyes.
[Precautions for using products in a Class , Division 2 environment]
● Products with the Cl., DIV.2 mark on the rating plate are suitable for use in Class , Division 2,
Groups A, B, C and D hazardous locations, or nonhazardous locations only.
This mark indicates that the product is certified for use in the Class , Division 2 environment where
flammable gases, vapors, or liquids exist under abnormal conditions. When using the products in
the Class , Division 2 environment, observe the following to reduce the risk of explosion.
• This device is open-type and is to be installed in an enclosure suitable for the environment and
require a tool or key to open.
• Warning - Explosion Hazard - Substitution of any component may impair suitability for Class ,
Division 2.
• Warning - Explosion Hazard - Do not disconnect equipment while the circuit is live or unless the
area is known to be free of ignitable concentrations.
• Do not open the cover of the CPU module and remove the battery unless the area is known to
be nonhazardous.
• All MELSEC iQ-R modules (except base modules) are to be connected to a base module only.
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