4.4 Connecting an Incremental Encoder
• I / O Signal Connections and External Signal Processing
SERVOPACK
(SGDB-1=11=11=1N)
+24V
6
3 . 3 k S2
Forward drive prohibited
Forward overtravel OFF
at overtravel.
)
.
7
1
=
— P
OV P - L S A
p
p
r
o
x
.
7 mA
Reverse drive prohibited
N
- O T
( Reverse overtravel OFF )
N
- L S
8
at overtravel.
— I. Forward drive prohibited
DEC
Zero point return deceleration LS
0
(ON when above LS)
D
E
C
- L S
9
External latch LS (signal)
E
X
T
— 0 0
(ON when latched)
EXT-LS
1
0
+24V A L M A L M
Alarm output
(OFF with alarm)
OV
Brake interlock output
(ON with servo ready)
E
-7-r".(1-r14 A L M — S G 3
4
BRK
B
K
.-, '''T
m
- R e v e r s e drive prohibited
Zero point return deceleration LS ON
- External latch signal ON
4 - - Servo alarm
BK-SG 1
2
Brake interlock
26
FG
Note 1.The capacity of each output circuit is below 50 mA and 30 VDC.
2. The 24 VDC power (I/O power) supply must be supplied by the user.
Figure 4.2 1 C N I/O Signal Connection and External Signal Processing
4 - 11
