Input Terminal Block
l
Terminal Arrangement
The description is given for each CPU Unit model.
a.
NX1P2-££40DT£
+ -
-+
COM
00
17
18
15
16
13
14
11
12
09
10
07
08
05
06
03
04
01
02
19
20
21
22 23
Symbol Terminal name Description Reference
Functional ground terminal The functional ground terminal. Con-
nect the ground wire to the terminal.
5-4-5 Grounding on page
5-45
+/- Unit power supply termi-
nals
These terminals are connected to the
Unit power supply.
The + terminals and - terminals are in-
ternally connected to each other
.
5-4-1 Wiring the Unit Power
Supply on page 5-44
COM Common terminal Common terminal for the input circuits Input Specifications on page
3-14
00 to 15 Input terminals General-purpose input A
16 to 23 Input terminals General-purpose input B
b.
NX1P2-9£24DT£
NC
13
N
C
11
12
09
10
07
08
05
06
03
04
01
02
COM
00
-
-
+
+
Symbol Terminal name Description Reference
Functional ground terminal The functional ground terminal. Con-
nect the ground wire to the terminal.
5-4-5 Grounding on page
5-45
3 Configuration Units
3-13
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
3-1 CPU Units
3
3-1-4 Terminal Blocks