Unipulse M252A Operation Manual page 4

Warning on design
● For the entire system to function safely when the M252A becomes faulty or
malfunctions, provide a safety circuit outside the M252A.
Warning on installation
● Do not modify the M252A. Doing so may cause fire or electric shocks.
● Do not install in the following environments.
- Places containing corrosive gas or flammable gas.
- Where the product may be splashed with water, oil or chemicals.
Warning on wiring
● Do not connect a commercial power source directly to the signal input/output
terminals.
● Be sure to use crimp contacts for connection to terminal blocks, and never connect
bare wires.
● Be sure to ground the protective ground terminal.
● Before performing the following, make sure that no power is applied.
- Attachment/detachment of connectors of options, etc.
- Wiring/connection of cables to the signal input/output terminals.
- Connection to the ground terminal.
● For connection to the signal input/output terminals, check the signal names and pin
assignment numbers, and then carry out wiring properly.
● Before applying power, carefully check the wiring, etc.
Warning on wiring
● Use at a proper power supply voltage.
● Do not damage the power cord. Doing so may cause fire or electric shocks.
● Do not touch any signal input/output terminal while applying power. Doing so may
cause electric shocks or malfunctions.
● In the case of smoke, an abnormal smell or strange sound, immediately turn off the
power, and disconnect the power cable.
● About the built-in lithium battery
Never disassemble, deform under pressure or throw the battery
into fire.The battery may explode, catch fire or leak.
- Battery
Model : CR14250SE made by SANYO Electric Co., Ltd.
Nominal voltage : 3V
Nominal electric capacity : 850mAh
WARNING
III