Safety precautions – Toshiba Tohsiba Electromagnetic Flowmeter Converter L5232 User Manual
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SAFETY PRECAUTIONS
(continued)
Safety Precautions for Installation and Wiring
Do not use the LF232 in an
explosive
atmosphere.
Use an
appropriate device to carry and install
the LF232.
DON’T
Using this product in an explosive 
atmosphere can cause explosion. 
DO
If this product falls to the ground, 
injury, or malfunction of or damage 
to the product, can be caused. 
Install a switch and fuse to isolate the LF232 
from mains power. 
Do not modify or disassemble the LF232 
unnecessarily. 
DO
Power supply from mains power can 
cause electric shock or circuit 
break-down. 
DON’T
Modifying or disassembling this 
product can cause electric shock, 
malfunction of or damage to this 
product. 
Turn off mains power before conducting wiring 
work. 
Ground the LF232 independently from power 
equipment. Type D (100 ohm or less ground 
resistance) 
DO
Wiring while power is applied can 
cause electric shock. 
DO
Operating this product without 
grounding can cause electric shock or 
malfunction. 
Turn off mains power before working on pipes.
Use
crimped terminal lugs for the terminal board
and GND terminal.
DO
Working on pipes while power is 
applied can cause electric shock. 
DO
Loose connections can cause electric 
shock, fire from excessive current or 
system malfunction. 
Do not conduct wiring work
with bare hands.
Do not work on piping and wiring
with wet
hands.
DON’T
Remaining electric charge even if 
power is turned off can still cause 
electric shock. 
DON’T
Wet hands may result in electric 
shock. 
The label shown left is placed near the terminal board for power supply on the 
converter. 
Be alert to electric shock.