- 6 -
Safety Precaution
■
Others
MODBUS
®
RTU
communication
T/R+,T/R-,Ter terminals
maxDC35V
CC-Link
communication
DA,DB,DG terminals
Digital input
DI1,DI2,DI3,DI4,DI COM,DI+,DI-,
DI1+,DI1-,DI2+,DI2-,DI3+,DI3-,DI4+,DI4-,DI5+,DI5- terminals
Digital output
DO1+,DO1-,DO2+,DO2- terminals
Analog output
CH1+,CH1-,CH2+,CH2-,CH3+,CH3-,CH4+,CH4- terminals
Pulse/ Alarm output
C1A/A1,C1B/COM1,C2A/A2,C2B/COM2 terminals
Do not drop this instrument from high place. If you drop it and the display is cracked,
do not touch the liquid crystal or get it in your mouth. If the liquid crystal is touched,
wash it away at once.
Work under the electric outage condition when installing and wiring. It may cause
electric shock, electric burn injury or damage of the device.
When tapping or wiring, take care not to entering any foreign objects such as chips
and wire pieces into this instrument.
If the terminal wiring is pulled with a strong force, the
terminals
may detach. (Tensile
load: 39.2N or less)
Check the connection diagram when wiring. Wrong wiring may cause failure of the
instrument, a fire or electric shock.
In order to prevent invasion of noise, do not bunch the control wires or communication
cables with the main circuit or power wire, or install them close to each other. The
distance between communicational signal lines, input signal lines and power lines, and
high voltage lines when running parallel to each other are shown below.
Conditions
Length
Below 600V, or 600A power lines
30cm or more
Other power lines
60cm or more
■
Matters concerning the precaution before use
Use the instrument in the specified usage environment and conditions.
The setting of this instrument is necessary before use it. Please read this manual carefully to ensure
correct setting.
■
Operation instructions
Before operating the product, check that active bare wire and so on does not exist around the product. If
any bare wire exists, stop the operation immediately, and take an appropriate action such as isolation
protection.
In the event of a power outage during the setting, the instrument is not set correctly. Please set again
after power recovery.
Do not disassemble or modify this instrument. It may cause failure, malfunction, injury or
fire.
Use this instrument within the ratings specified in this manual. If it is used outside the
ratings, it may cause not only malfunction or failure but also fire burnout.
■
Maintenance instructions
Wipe dirt off the surface with a soft dry cloth.
Do not contact a chemical dust cloth to the instrument for a long time, or do not wipe it with benzene,
thinner, alcohol.
Check for the following items to use this instrument properly for long time.
（
1
）
Daily maintenance
①
No damage on this instrument
②
No abnormality with LCD indicators
③
No abnormal noise, smell or heat
（
2
）
Periodical maintenance
●
No looseness with installation and wire connection. (Once every 6 months to 1 year)
Do periodical maintenance under the electric outage condition. Failure to do so may cause
electric shock, failure of the instrument or a fire.
CAUTION
CAUTION
CAUTION
