WARNINGS
For your own safety, please read this Manual carefully before using the device
In case device has been stored below operating temperature, please wait 2 hours before connecting to PLC
Do not use abrasive materials or organic compounds (alcohol, petrol, solvents etc.) for cleaning purposes
NEVER USE THE DEVICE WITHOUT ANTENNA INSTALLED
NEVER USE THE DEVICE WITH MECHANIC DAMAGES OF ENCLOSURE
THE DEVICE SHOULD NEVER HAVE CONTACT WITH WATER OR OPERATE UNDER HIGH
HUMIDITY
When all the above rules are followed using of the devise is safe
TIPs
Before using the device, please read carefully user’s manual. Pay great attention on all the points that
concerns safety use of the device.
Follow all the comments and warnings. Pay great attention on all symbols on the enclosure.
Follow all Modem’s instructions.
INTRODUCTION
Modem Voltan is a microprocessor that provides wireless GSM (SMS) or GPRS (Modbus TCP) access to the
Unitronics Jazz20 controllers. It is designed to exchange data only with those particular PLCs. One modem
can be connected with one controller. In order to convert Modbus RTU to Modbus TCP protocol standard
communication slot for Jazz PLC is used. The device has a SIM card slot (under the plastic enclosure).
ATTENTION! Sim card needs to be subscribed to a static operator’s IP.
Otherwise correct operation of the device is not guaranteed.
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