Safety Notices
Dear customer,
Please read this manual carefully prior to installation and operation and strictly observe all
installation and operation instructions covered in the manual.
Special attentions shall be paid to the following marks：
Please read this manual carefully before installation and operation and strictly observe the
installation and operation instructions covered in this manual.
WARNING.
This mark indicates operation, which if improperly performed, might lead to the death or
serious injury of the users.
CAUTION.
This mark indicates operation, which if improperly performed, might possibly result in damage
to the device.
WARNING
1. Installation shall be performed by the qualified personnel; otherwise it would result in a fire
hazard or electric shock.
2. Do not place the plug of the power supply into the socket before it is dried and cleaned.
3. Cut off the power supply before touching the electric element.
4. Do not touch this device with wet hands; otherwise it would result in electric shock.
5. Do use the power cable specified in this manual; otherwise it would result in a fire hazard.
6. When the power cable is reversely connected or the power supply is beyond the rated
range, it would result in a fire hazard or even damages to this device.
7. Do install this device inside the electric control cabinet which is located indoor and then is
locked.
8. Do install this device where it will not be subject to the electromagnetic interference or
heavy dust.
CAUTION
1. Be sure the specified adaptor is used; otherwise this device would work improperly or even
be damaged.
2. Be sure this device is setup in place; otherwise it would result in communication fault.
3. Be sure the communication line is connected to the correct interface; otherwise it would
result in communication fault.
4. After connection, lines should be protected with insulating tape to avoid oxidation and short
circuits.
5. Normal working conditions for Modbus Gateway(Pro)：①Temperature: -20~+60℃,②
Humidity: less than 85%; ③Location: install this product in the electric control cabinet, not subject
to direct sunlight, rain and snow etc.
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