6-
2
Parallel I/O interface
6
1. Standard I/O interface overview
1.2
Connector I/O signals
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O No.
Signal name
Remarks
DI05
DI01
DI10
DI11
DI12
DI13
DI14
DI15
DI16
DI17
DI20
DI21
DI22
DI23
DI24
DI25
DI26
DI27
DI30
DI31
DI32
DI33
DI34
DI35
DI36
DI37
COMMON
DO01b
DO01a
DO02b
DO02a
DO03b
DO03a
DO10
DO11
DO12
DO13
DO14
DO20
DO21
DO22
DO23
DO24
DO25
DO26
DO27
DC24V
GND
D C + 2 4 V ( P . C O M D I )
G N D ( N . C O M D I )
I/O command execution trigger input
Servo ON
Sequence control
Interlock
Program start
AUTO mode
Spare (Do not use.)
Program reset
MANUAL mode
Absolute reset
General-purpose input
20
General-purpose input
21
General-purpose input
22
General-purpose input
23
General-purpose input
24
General-purpose input
25
General-purpose input
26
General-purpose input
27
General-purpose input
30
General-purpose input
31
General-purpose input
32
General-purpose input
33
General-purpose input
34
General-purpose input
35
General-purpose input
36
General-purpose input
37
Relay common
CPU_OK : contact B (normally closed)
CPU_OK : contact A (normally open)
Servo ON
: contact B (normally closed)
Servo ON
: contact A (normally open)
Alarm
: contact B (normally closed)
Alarm
: contact A (normally open)
AUTO mode
Return-to-origin complete
Sequence program-in-progress
Robot program-in-progress
Program reset status
General-purpose output
20
General-purpose output
21
General-purpose output
22
General-purpose output
23
General-purpose output
24
General-purpose output
25
General-purpose output
26
General-purpose output
27
Common terminals
P. COM DI
N. COM DI
Photocoupler input
NPN specifications : source type
PNP specifications : sink type
Relay output
Maximum capacity of each terminal
(resistance load)
: DC 24V, 0.5A
Common terminal : COMMON
Transistor output
NPN or PNP specifications
Maximum capacity of each terminal
(resistance load)
: 0.1A
+ common terminal : DC +24V
- common terminal : GND
External power supply input
c
CAUTION
• See "7. I/O connections" in
Chapter 3 for a definition of NPN
and PNP specifications.
• Do not make user connections to
spare I/O signal wires and I/O
signal wires that are not to be
used.
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