IT7300
Programming Guide
Copyright © Itech Electronic Co., Ltd.
ii
Both direct and alternating
current
Power-on state
Protective earth (ground)
terminal
Power-off state
Earth (ground) terminal
Reference terminal
Caution
Positive terminal
Warning (refer to this manual
for
specific
Warning
or
Caution information)
Negative terminal
A chassis terminal
-
-
Safety Precautions
The following safety precautions must be observed during all phases of
operation of this instrument. Failure to comply with these precautions or specific
warnings elsewhere in this manual will constitute a default under safety
standards of design, manufacture and intended use of the instrument. ITECH
assu
mes no liability for the customer’s failure to comply with these precautions.
⚫
Do not use the instrument if it is damaged. Before operation, check
the casing to see whether it cracks. Do not operate the instrument in
the presence of inflammable gasses, vapors or dusts.
⚫
The power supply is provided with a power line during delivery and
should be connected to junction box. Before operation, be sure that
the power supply is well grounded. Make sure to use the power cord
supplied by ITECH.
⚫
Check all marks on the instrument before connecting the instrument
to power supply.
⚫
Use electric wires of appropriate load. All loading wires should be
capable of bearing maximum short-circuit of electronic load without
overheating. If there are multiple loads, each pair of the load power
cord must be carry out the full rated short-circuit output current of
the power securely.
⚫
Ensure the voltage fluctuation of mains supply is less than 10% of the
working voltage range in order to reduce risks of fire and electric
shock.