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3.6.3
I/O Signal Wiring Examples
When Using a Rotary Servomotor
equence Input ignal
Power upply Input
Forward Drive Prohibit Input
(prohibited when OFF)
Rever e Drive Prohibit Input
(prohibited when OFF)
Origin Return Deceleration
witch Input
(L active when ON)
External Latch Input 1
(latch when ON)
External Latch Input 2
(latch when ON)
External Latch Input
(latch when ON)
Battery for ab olute
+
encoder∗2
-
2.8 V to 4.5 V
*1.
represents twisted-pair wires.
*2.
Connect these when using an absolute encoder. If the Encoder Cable with a Battery Case is connected, do not
connect a backup battery.
*3.
The 24-VDC power supply is not provided by Yaskawa. Use a 24-VDC power supply with double insulation or
reinforced insulation.
Note: 1. You can use parameter settings to change some of the I/O signal allocations. Refer to the following section
for details.
5.19 I/O Signal Allocations on page 5-50
2. If you use a 24-V brake, install a separate power supply for the 24-VDC power supply from other power
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.
ERVOPACK
CN1
Ω
4.7 k
*3
+24 V
+24VIN
1
P-OT_A
P-OT_B
9
N-OT_A
4
N-OT_B
10
/DEC_A
5
/DEC_B
11
/EXT_A1
6
/EXT_B1
12
/EXT_A2
7
/EXT_B2
1
/EXT_A
8
/EXT_B
14
*1
BAT_A+
17
BAT_B+
5
BAT_A-
18
BAT_B-
6
Frame ground
3.6 Servo Section I/O Signal Connections
Photocoupler output
Max. allowable voltage: 0 VDC
Max. allowable current: 50 mA DC
19
ALM_A+
ALM_B+
21
ervo Alarm Output
(OFF for alarm)
ALM_A-
20
ALM_B-
22
2
/BK_A+
25
/BK_B+
Brake Output
(relea ed when ON)
24
/BK_A-
26
/BK_B-
27
/ O +
General-Purpo e equence Output
/ O -
28
29
/ O4+
General-Purpo e equence Output 4
/ O4-
0
1
/ O5+
General-Purpo e equence Output 5
2
/ O5-
15
G
ignal ground
16
Connector hell
FG
Connect hield to connector hell.
3.6.3 I/O Signal Wiring Examples
3
3-37
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Troubleshooting
