Connecting An Absolute Encoder; Typical Example - YASKAWA SGM Series User Manual

4.5 Connecting an Absolute Encoder

4.5.1 Typical Example

R
1MCCB
Noise filter
From previous
MECHATROLINK station
To next MECHATROLINK
station
End of last station
+24V
External latch signal
Zero point return deceleration LS
Reverse drive prohibited
when N-LS is open
Forward drive prohibited
when P-LS is open
+24V
1Ry OFF with servo alarm
2Ry OFF with servo ready
3.3 to 4.5 V backup battery
Note 1. Maximum capacity of each output circuit is 50 mA and 30 VDC.
2. Signal output line
3. The 24 VDC power (I/O power) supply must be supplied by the user.
4. The power supply must be ON while the servo alarm (1Ry) remains OFF till the communication
connection (CONNECT command) is completed after the control power is turned ON.
T
Single phase 200 to 230 VAC
50/60 Hz
Noise filter eliminates external noise.
1Ry
ON
Power supply
1MC
OFF
1MC 1Ry
R
1MC
1MC
SGD-jjjN
3CN
SERVOPACK
S
2
/
P
1
S
1
SH
3
Terminal
S
7
resistor
/
P
S 6
8
SH 120 kΩ
4
R
5
FG
1
CN
3.3 kΩ
+24V
6
/
P EXT 10
7mA
/
DEC
0
9
V
N−LS
N−OT 8
7
P−LS
P−OT
30 VDC
50 mA max.
1Ry ALM
3
4
ALM−SG
P
0
V
2
Ry
/BK
1
2
BK−SG
Output capacity (Note 1)
BAT
14
Maximum operating voltage: 30 VDC
+
Maximum operating current: 50 mA
P
−
15
BAT0
26
FG
represents twisted-pair wires.
P
Figure 4.5 SGD-jjjN SERVOPACK Connection to Motor and Peripheral Device
4 -9
4.5 Connecting an Absolute Encoder
+10
%,
Single phase 100 to 115 VAC
-15
50/60 Hz
Servo alarm display
PL
For power supply OPEN/CLOSED
Attach a surge suppressor to the
magnetic contactor and relays.
SUP
Servomotor
U
1
V
2
W
3
4
Must be grounded.
less than 100 Ω .
2CN
Correctly terminate the
end of the shielded cable.
/External latch signal
/Zero point return deceleration LS
Reverse drive prohibited
Forward drive prohibited
Servo alarm
Brake interlock
%,
+10
-15
M
Absolute
encoder
PG
4