Datasheet

NX series I/O 23
Terminal wiring
Circuit layout
NX-MD6256-5
CN1 (left) output circuit
I/O power supply +
I/O power supply −
I/O power supply +
I/O power supply −
Internal circuits
COM0 (+V)
COM0 (+V)
0V0
0V0
OUT0
to OUT15
Connector
NX-MD6256-5
CN1 (left) output terminal
20
16
12
18
14
10
6
4
2
8
19
15
11
17
13
9
5
3
1
7
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
24 VDC
OUT00
OUT01
OUT02
OUT03
OUT04
OUT05
OUT06
OUT07
COM0 (+V)
0V0
OUT08
OUT09
OUT10
OUT11
OUT12
OUT13
OUT14
OUT15
COM0 (+V)
0V0
CN2 (right) input circuit
I/O power supply +
I/O power supply −
I/O power supply +
I/O power supply −
COM1
COM1
IN0
to
IN15
Connector
Input indicator
3.3 k

Internal circuits
CN2 (right) input terminal
1
5
9
3
7
11
15
17
19
13
2
6
10
4
8
12
16
18
20
14
24 VDC
IN15
IN14
IN13
IN12
IN11
IN10
IN09
IN08
COM1
NC
IN07
IN06
IN05
IN04
IN03
IN02
IN01
IN00
COM1
NC
NX bus
connector
(left)
NX bus
connector
(right)
NX bus
connector
(left)
NX bus
connector
(right)
Signal
name
Connector
pin
Signal
name
Signal
name
Connector
pin
Signal
name
• Be sure to wire both pins 3 and 4 (COM0 (+V)) of CN1.
• Be sure to wire both pins 1 and 2 (0V0) of CN1.
• The polarity of the input power supply of CN2 can
be connected in either direction.
• Be sure to wire both pins 3 and 4 (COM1) of CN2,
and set the same polarity for both pins.
Short-circuit
protection