1
Chapter 2. Installation and wiring
Item
Name
Function
Description
VREF
Power supply for
analog setting
l
Reference voltage by variable resistor ( + 10V ) : 10k
W
AI1
AI2
Voltage/ Current
Signal Input
AI3
Voltage/Motor NTC
Input
l
Voltage signal input (-10 ~ 10V), current signal input (4 ~
20mA), Motor NTC selectable via Multi-function Analog input.
l
Selectable among following 8 different functions;
Speed/Torque/Flux command, Torque bias, Torque limit,
Process PI controller command, Process PI controller
feedback value, Draw command, Motor NTC input)
l
Jumper setting in Voltage Input: Closed (Jumper
connected as
Default)
è
AI1, AI2: Open (Jumper disconnected),
AI3: Switch set on left side
l
Jumper setting in Current Input
è
AI1, AI2: Short
l
Motor NTC (When using
LG-OTIS Motor Only
)
è
AI3: switch set on right side.
A
na
lo
g
In
pu
t
5G
COMMON
l
COMMON terminal for Analog input
PE
+5V Line Drive Power
GE
P/S (Power supply)
for Pulse Encoder
0V
A+
A-
Encoder A-phase
signal
B+
B-
Encoder B-phase
signal
l
A, B signal for Line Drive Type Encoder.
l
Set the JP2 switch at “P5” on I/O PCB and set the JP4
switch to “LD” for the use of Line Drive.
※
Jumpered as default
(
☞
If +12V Power Type Line Drive Encoder is used, set the JP2
switch at “P12”.)
PE
+15V Open Collector Power
GE
P/S for Open
Collector
0V
PA
Encoder A-phase
signal
PB
Encoder B-phase
signal
l
A, B signal for Complementary or Open Collector Type
Encoder.
l
Set the JP2 switch at “P15” on I/O PCB and set the JP4
switch to “OC” for the use of Open Collector.
Z+(PZ)
En
co
de
r
In
pu
t
Z-
Encoder Z-phase signal
Note) The usages of Z-phase signal are as follows and its
functions will be available soon.
l
Use for Z-phase pulse provided encoders.
l
Z+ and Z- signals are used for Line Drive type, so set the
JP5 switch to “LD”.
l
PZ signal is used for Open Collector type, so set the JP5
switch to “OC”.
RA
Encoder signal
output : A-phase
GE
Output Common
RB
Encoder signal
output : B-phase
En
co
de
r
O
ut
pu
t
GE
Output Common
Encoder A, B phase signal output – Open Collector Type
AO1
Analog Output 1
AO2
Analog Output 2
l
Output range: -10V ~ +10V
l
Selectable among 31 (Motor speed, speed ref. 1~2, Torque
command 1~2, torque current, flux ref., flux current, Inverter
output current/voltage, Motor Temp, DC link voltage… )
A
na
lo
g
O
ut
pu
t
5G
COMMON
l
COMMON terminal for Analog Output
1A
1B
Multi-function relay
output 1
(A Contact)
R
el
ay
ou
tp
ut
2A
Multi-function relay
l
Selectable among the following 14 functions;
Zero speed detect, Speed detect (Bi-directional), Speed detect
(Uni-directional), Speed reach, Speed deviation, Torque detect,
On Torque limit, Motor overheat, Inverter overheat, on low