Specifications

III
WARNING
For the entire system to function safely when the M252A becomes faulty or
malfunctions, provide a safety circuit outside the M252A.
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.
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.
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 on design
Warning on installation