上海维宏电子科技股份有限公司
SHANGHAI WEIHONG ELECTRONIC TECHNOLOGY CO., LTD.
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EX35A Terminal Board Instruction
Version: 2019.5 1st Version
Author: Document Department
Weihong Corporation, All Rights Reserved
Dear customers,
Please carefully read this instruction manual before you install the terminal board
and set up the CNC system. For more product information, find at
WEIHONG
Documentation
.
1
Safety Precautions
Before using the terminal board, please pay much attention to the following:
•
This terminal board is used for extending output ports. Do not touch any
internal circuit or components when you power up the terminal board.
•
Internal circuit of the terminal board consists of CMOS IC that can be destroyed
by static electricity. Therefore, do not touch any circuit board before you take
any preventive actions.
•
The terminal board is a type of fine instruments. Do not discharge any
components by yourself.
•
Make sure surrounding environment is safe and clean, to avoid any possible
damage from iron dust, wire, water, corrosive gas, or corrosive liquid.
•
Ambient temperature: -40°C~85°C; Ambient humidity: 0%~90%, no freezing
and condensation.
•
The terminal board must be safely grounded, to avoid thunder shock or
electrical leak.
•
Space of over 50mm in each side must be secured to ensure good ventilation or
heat dissipation. Recommended operating temperature: 0°C~55°C.
•
Rated power for the terminal board should be within range of 24V±10%. Use a
power regulator in case of instable power supply.
•
Before connecting or disconnecting with the terminal board, make sure the
power is off, to avoid electrical shock to the personnel or damage to the
terminal board.
