2
KWE P
/N 3940
46 Ve
rsatronik
502 a
nd 502D
MODBUS G
atewa
y V1
.0 F
eb
2
014 Te
chni
ca
l i
nformation subj
ec
t to
ch
ange
w
ithout noti
ce
About these instructions
Warnings draw your attention to
the presence of potential
hazards or important product
information.
Take note of all symbols and notations intended to draw attention to potential hazards or important product
information. These include “WARNING”, “CAUTION” and “IMPORTANT”. See below.
!
WARNING
!
Indicates an imminently hazardous
situation which, if not avoided,
could result in death, serious injury
or substantial product/property
damage.
CAUTION
!
Indicates an imminently hazardous
situation which, if not avoided,
may result in minor injury or
product/property damage.
IMPORTANT
Cautions draw your attention to
the presence of potential
hazards or important product
information
Helpful hints for installation,
operation or maintenance which
pertains to the product.
CAUTION
Static sensitive components may
be damaged by improper handling
or work within the control. Ensure
all possible measures are taken to
eliminate build-up of static
electricity.
Trademark Information
Echelon®, LON®,
LONWORKS®, i.LON®, LNS®,
LONMARK®, Neuron®, and the
LonUsers logo are trademarks
of Echelon Corporation
registered in the United States
and other countries.
Please visit:
www.echelon.com
Viessmann® and Vitotronic® are
trademarks of Viessmann Werke
GmbH & Co KG registered in the
United States and other
countries.
Please visit:
www.viessmann.ca
www.viessmann.us