6.3 I/O Signal Connections
6
Wiring
6-11
6.3.2 I/O Signal Connector (CN1) Terminal Layout
The following diagram shows the terminal layout and the signals that are preset before shipping.
Notes: 1. Do not use unused terminals for relays.
2. Connect the shield of the I/O signal cable to the connector shell.
Connect to the FG (frame ground) at the SERVOPACK-end connector.
3. The functions allocated to the following input and output signals can be changed by using the
parameters.
• Input signals: /S-ON, /P-CON, P-OT, N-OT, /ALM-RST, /P-CL, and /N-CL
• Output signals: /TGON, /S-RDY, and /V-CMP (/COIN)
• The above output signals can be changed to /CLT, /VLT, /BK, /WARN, and /NEAR.
Pin
Num-
ber
Signal
Name
Function
1
SG
GND
26 /V-CMP-
(/COIN-)
Speed coinci-
dence detec-
tion output
2
SG
GND
27 /TGON+
Running sig-
nal output
3
PL1
Open-collec-
tor reference
power supply
28 /TGON-
Running
signal output
4
SEN
SEN signal
input
29 /S-RDY+
Servo ready
output
5
V-REF
Speed refer-
ence input
30 /S-RDY-
Servo ready
output
6
SG
GND
31 ALM+
Servo alarm
output
7
PULS
Reference
pulse input
32 ALM-
Servo alarm
output
8
/PULS
Reference
pulse input
33 PAO
PG dividing
pulse output
Phase A
9
T-REF
Torque refer-
ence input
34 /PAO
PG dividing
pulse output
Phase A
10
SG
GND
35 PBO
PG dividing
pulse output
Phase B
11 SIGN
Reference
sign input
36 /PBO
PG dividing
pulse output
Phase B
12
/SIGN
Reference
sign input
37 ALO1
Alarm code
output
13 PL2
Open-collec-
tor reference
power supply
38 ALO2
Alarm code
output
14
/CLR
Clear input
39 ALO3
Alarm code
output
15 CLR
Clear input
40 /S-ON
Servo ON
input
16
−
−
41 /P-CON
P control
input
17
−
−
42 P-OT
Forward run
prohibit input
18
PL3
Open-collec-
tor reference
power supply
43 N-OT
Reverse run
prohibit input
19 PCO
PG dividing
pulse output
Phase C
44 /ALM-
RST
Alarm reset
input
20
/PCO
PG dividing
pulse output
Phase C
45 /P-CL
Forward
external
torque limit
input
21 BAT (+)
Battery (+)
46 /N-CL
Reverse
external
torque limit
input
22
BAT (-)
Battery (-)
47 +24V
IN
External input
power supply
23
−
−
48 PSO
Phase-S
signal output
24
−
−
49 /PSO
Phase-S
signal output
25 /V-CMP+
(/COIN+)
Speed coinci-
dence detec-
tion output
50
−
−
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