KEYENCE SL-V Series - Manual (Page 53)

2-29
Fu
nct
ion
s and
Feat
ures
2
SL-V-M-NO2-E
2-11
Temporary Suspension of Safety Function
The muting function is used to temporarily suspend the SL-V's safety functions while the SL-V receives a
signal from muting devices (such as sensors or switches). Before this function can be used, the outputs
from the muting devices must be connected to the muting input terminal on the SL-V.
In addition, the SL-VH1S provides the user with the opportunity to select the beam axes to be muted con-
dition. You can minimize the number of beam axes to be muted condition through the SL-VH1S. There-
fore, you can reduce a risk of approaching into hazardous zone accordingly. You can set the three
groups of beam axes that will become muted condition and select these groups through the external
input.
For more specific examples of operations or for information about installation when using the muting func-
tion, see "System Configuration for the Muting Function" (page 3-22).
• Since the muting function temporarily suspends the safety functions of the SL-V, additional
safety measures are required for the whole machine on which the SL-V is installed. This is
in order to ensure safety while the muting function is activated.
• The muting devices, the installation of those devices and the procedure to activate the mut-
ing function must fulfill the conditions specified in this user’s manual and the requirements
of the laws, rules, regulations, and standards in the country or region in which the SL-V and
those devices are used. Failure to follow this warning may result in significant harm to the
machine operators, including serious injury or death.
• When you install the muting devices (such as sensors or switches), the following conditions
must be fulfilled.
(1) Muting devices must be installed so that the muting function cannot be activated if the
machine that the SL-V is on is in the middle of a hazardous cycle or period.
(2) Muting devices must be installed so that the muting function cannot be activated by
personnel approaching the detection zone of the SL-V.
• Only responsible personnel should be allowed to install or wire the muting function or mut-
ing devices.
• The muting devices must be installed in such a way that only responsible personnel can
change their installation or orientation by requiring special tools or keys to access the
devices.
• The whole responsibility for use of the muting function must rest with the customer. Those
who use the muting function must fulfill all of the requirements related to muting functions.
KEYENCE accepts NO responsibility or liability for any damage or injury due to unauthor-
ized installation, unauthorized usage or maintenance methods that are not specified in this
user’s manual and/or due to noncompliance with the laws, rules, regulations and standards
set fourth by the country or region in which the SL-V is used.
• The installation of muting lamp may be required by the laws, rules, regulations, and stan-
dards in the country or region in which the SL-V is used if you apply the muting function. It
depends on the machine application and/or the result of your risk assessment. If it is neces-
sary for you to provide the muting lamp, you must fulfill the requirements because you are
fully responsible for installation of muting lamp.
• The users who intend to use the option related to the conditions for muting (page 2-33)
must perform the risk assessment based on their machine application.
Muting function
NOTE
Danger
Cable
Self-diagnosis
Series Connection
Interlock
AUX
EDM
Wait
State Information
Alert
Clear/Blocked
Suspension
Fixed
Reduced
Monitoring