MOTOYAMA EA10S, Instruction Manual

Page: 14 / 68

Mo
3
In
4
S
odel EA
3. Pri
Signal cur
are respe
Control pr
signal. E-P
and transm
E-P transf
decrease
between n
decreases
nput current
to 20 mA DC
Supply air pre
A10S
incip
rrent (4 to 20
ctively conve
rocessing pa
P transforme
mits output a
former intern
of control sig
nozzle and fl
s, and pilot v
A/D
Pus
C
essure
ple o
0mA) from c
erted to digi
rt transmits c
er generates
air pressure f
ally changes
gnal. Rotary t
apper. As a
alve reacts a
sh buttons &
P
of op
controller or m
ital values a
control signa
air pressure
for controlling
s magnetic flu
torque is gen
result, air pr
accordingly.
A/D
LCD
rocessor
D/A
- 10 -
erati
manual oper
and transmitt
al depending
e signal prop
g valve trave
ux of armatu
nerated in th
ressure signa
Lift
E
trans
ion
ration device
ted to contro
on deviation
portional to th
el depending
ure in torque
e armature d
al proportion
sensor
E-P
sformer
e and feedba
ol processing
n between th
he control sig
on air press
motor coil de
due to flux ch
nal to the con
Pilot v
ack signal fro
g part in mic
he input and
gnal. Pilot va
sure signal.
epending on
hange and va
ntrol signal in
valve
om lift senso
croprocesso
the feedbac
alve operate
increase and
aries distance
ncreases and
Control val
or
r.
k
s
d
e
d
lve