YASKAWA SGD7S Product Manual page 122

4.5 I/O Signal Connections
4.5.3 I/O Signal Wiring Examples
Using a Linear Servomotor
Linear Servomotor overheat
protection input
Sequence input signal
power supply input
Forward Drive Prohibit input
(prohibited when OFF)
Reverse Drive Prohibit input
(prohibited when OFF)
Origin Return Deceleration
Switch input
(LS active when ON)
External Latch Input 1
(latch when ON)
External Latch Input 2
(latch when ON)
External Latch Input 3
(latch when ON)
General-purpose
sequence input 0
*1.
*2.
The 24-VDC power supply is not provided by Yaskawa. Use a 24-VDC power supply with double insulation or
reinforced insulation.
*3.
Always use line receivers to receive the output signals.
Note: 1. You can use parameters to change the functions allocated to the /DEC, P-OT, N-OT, /EXT1, /EXT2, and
2. If you use a 24-V brake, install a separate power supply for the 24-VDC power supply from other power
4-38
TH 5
+24 V *2
+24VIN 6
P-OT
7
N-OT
8
/DEC
9
/EXT1
10
/EXT2
11
/EXT3
12
/SI0
13
represents twisted-pair wires.
/EXT3 input signals and the /SO1, /SO2, and /SO3 output signals. Refer to the following section for details.
6.1 I/O Signal Allocations on page 6-4
supplies, such as the one for the I/O signals of the CN1 connector.
If the power supply is shared, the I/O signals may malfunction.
SERVOPACK
Ω
4.7 k 3
4
1
2
23
24
25
26
17
18
19
20
21
22
16
Connector
shell
FG Connect shield to connector shell.
Frame ground
Photocoupler outputs
Max. allowable voltage: 30 VDC
Max. allowable current: 50 mA DC
ALM+
Servo Alarm Output
(OFF for alarm)
ALM-
/BK+
Brake output
/BK-
(released when ON)
/SO2+
/SO2-
/SO3+
/SO3-
*1
*3
PAO
Encoder Divided
Pulse Output,
/PAO
Phase A
*3
PBO
Encoder Divided
Pulse Output,
/PBO
Phase B
*3
PCO
Encoder Divided
Pulse Output,
/PCO
Phase C
SG
Applicable Line Receiver:
SN75ALS175 or MC3486
manufactured by Texas
Instruments or the equivalent