User M
EM30
3.2
3.2
3.3
W
3.3
T
z
z
z
z
z
z
z
S
Manual
3A General Purpose I
2.7
Ground Wiring
z
Make sure the gro
z
Do not share the g
z
The size of grou
appliances, and th
z
Do not form the
are used synchr
grounding wiring
2.8
Wiring Braking
See Chapter 11 f
resistor and brakin
Wiring Control C
3.1
Control Circuit T
The control circuit term
z
Analog input termin
z
Numeric input term
z
Numeric output term
z
Analog output term
z
Auxiliary power sup
z
RS485 communicat
z
Grounding terminal
See Figure 3-11 for co
Figure 3-
Inverter
32
ound terminal
gro
grounding cable with
unding cable should m
he distance to groundi
grounding cable as a
ronously. See Figur
s.
Figure 3-10 Grou
Resistor and Brakin
for more details abo
ng unit.
Circuit Terminals
Terminals
minals of EM303A ar
nals: Voltage input sig
minals: X1, X2, X3, X4
minals: Y1, Y2, EA, E
minals: M0, M1
pply terminals: +24V,
tion interface: A+
,
A
l: PE
ontrol circuit terminal
-11 EM303A Control
ounded.
welding machine or p
meet the technical st
ing point should be as
a circuit whenever tw
re 3-10 for the cor
und Wiring
ng Unit
ut the selection and
re located on the contr
gnals VS,VF. Current
4, X5, X6, X7, PLC
EB, EC
V, COM, +10V, GND.
A-
block.
Circuit Terminal Bloc
power equipment.
tandard of electrical
s short as possible.
wo or more inverters
rrect and incorrect
d wiring of braking
rol PCBA:
input signals IS,IF.
ck