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4 Installation
4-7 Machine Control Circuit Connections
15
Figure 4-7 Connection Method(Automatic Start Mode)
Emitt
tt er
Re
R
R ceive
v
v r
Arc Suppressor
A
rc Su
pp
ressor
3
2
These relay contacts must be force guided contacts.
If load is less than 50 mA a resistormust be installed across the load.
See page B-11.
Note: DC power supply must be isolated from the power main and
other devices.
1
Arc suppression devices should only be installed across the coils of
the machine control relays.
Never install Arc Suppression devices directly across the control output
contacts of the F3SS. An arc suppression device installed accros the
contacts may fail with a short circuit and will result in an unsafe
condition.
When using in Automatic Start Mode
E1
1
2
1
2
3
3
MPCE2
MPCE1
Description in square parentheses indicates terminal name or terminal number.
E1: 24VDC power supply (model S82K recommended)
MPCE1 and MPCE2: DC-driving high sensitivity contactor (model J7AN etc.)
C
o
n
ro
l
o
(+
)
[
]
C
o
n
t
l
o
u
(+
)
[3
]
C
O
M(
-)
f
r
cocc
tro
l
o
u
tp
u
t
1
/2
[
]
G
round Lu
g
G
round Lu
g
Summary of Contents for F3SS
Page 4: ......