Hitachi SJ Series User Manual page 23

Chapter 2
*Alphabetical order
C
Name Description
A logo used on the product that meets the
requirements of the applicable EC directives.
CE logo
This is required for products sold within the
European Economic Area.
E
Name Description
Electromagnetic compatibility
EMC Properties that neither cause errors in other
equipment nor cause errors due to noise.
I
Name Description
Insulated gate bipolar transistor
IGBT
One of switching devices of the inverter.
IM Induction motor
I/O Input/Output
L
Name Description
Lead to acceleration and deceleration.
LAD
Accelerate or decelerate the motor.
Low duty: A type of load rating that indicates
overload capacity. This can drive a higher
LD rated current motor than ND but has a relatively
lower overload capacity. This can be used
for low load capacity.
M
Name Description
MFG No. Manufacturing No.
Handling of This User's Guide
N
Name Description
Normal Duty: A type of load rating that
ND rated indicates overload capacity. Generally this is
used in severe load conditions.
P
Name Description
Programmable logic controller
PLC
Permanent magnet synchronous motor
PMM PM motor.
PM stands for permanent magnet.
Pulse Width Modulation
PWM
Pulse output method of the inverter.
R
Name Description
Remote terminal unit.
RTU
The Modbus protocol name here.
S
Name Description
Synchronous motor.
SM
PMM is a type of SM.
U
Name Description
UL Standards issued by Underwriters
standards Laboratories (Board of Fire Underwriters).
V
Name Description
Very low duty: A type of load rating that
indicates overload capacity. This can drive a
VLD rated higher current motor than LD but has a
relatively lower overload capacity. This can
be used for lower load capacity than LD.
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