2-1
Section 2 System Conguration
2-1 System Conguration Specications
You can connect up to six expansion units on the right side, one expansion uint on the left side, and one front board on the front
of the SPF series main unit, respectively.
Y6Y1
AC100~240V
C0
Y0
Y4
Y2
C2
Y3
PORT0
Y5
C4 C6
Y8
Y7
Y9
X8
X0
24V OUT
S/S
RXTX
X4X2
X1 X3
X6
X5 X7
X12X10
X9
X11 X13
SINK
SRCE
max.
400mA
IN
Expansion
right side unit
Main unit
Expansion
left side unit
Front board
Max. 6 (Note 1)
Max. 1
Y1
Y2
C2 C4C0
Y0
Y5 Y7
Y3 Y4 Y6
Y10Y8 Y11 Y12 Y14
Y9C8 C10 C12 Y13 Y15
O0+O1+
AG O0-
O1-
24V IN
I0+I1+ I2+I3+
I0-I1- I2-I3-
O0+O1+
AG O0-
O1-
24V IN
I0+I1+ I2+I3+
I0-I1- I2-I3-
NA0LA-RS5
TX
RX
TX
RX
PORT4 (RS485)
G
PORT3 (RS485)
T
+
T
N
N
+
G
Max. 1
Notes:
1) The maximum number of connectable AIO units is 3.
An expansion power supply unit and healthy unit are excluded from the number of connectable units (Max. 6).