2. SAFETY AND WARNING PRECAUTIONS
2.1 Safety Precautions
o Before installation or beginning of any troubleshooting procedures power to all
equipments must be switched off and isolated. Units suspected of being faulty must
be disconnected and removed first and brought to a properly equipped workshop for
testing and repair. Component replacement and interval adjustments must be done
by a Masibus authorized or trained person only.
2.2 Warning Precautions
o It is recommended that power of these units to be protected by fuses, circuit breakers
or external over current rated at the minimum value possible.
o All wiring must confirm to appropriate standards of good practice and local codes and
regulations. Wiring must be suitable for voltage, current, and temperature rating of the
system.
o Unused control terminals should not be used as jumper points as they may be
internally connected, causing damage to the unit.
o Verify the ratings of the output devices and the inputs are as specified.
o Provide Power from a single-phase instrument power supply. If there is a lot of noise
in the power line, insert an insulating transformer into the primary side of the line and
use a line filter on the secondary side. As counter measures against noise, do not
place the primary and secondary power cables close to each other.
Note:
o Information in this manual is subject to change without prior notice or
permission due to continuous improvement.
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