Toshiba V Series Manual page 158

5. PI/O Module
SPO01 module internal circuitry
SPO01 module external wiring
 When mounted on UTBA1
144
PO1OP
PO1CL
PO4OP
PO4CL
External power
External
24 Vdc
supply fixed
power
0 V
voltage circuit
supply
Module connector
(TB1/TB2)
GND
Solenoid
valve
+
24 Vdc
GND
A ground bar (FSBR2) is used for shielding.
Pulse output
circuit
Photo-
coupler
insulation
circuit
Internal power
supply
Fixed voltage
power supply
circuit
Output
drive
System power supply
(24 Vdc)
SPO01
FG FG
1 PO1OP
2 PO1CL
3 PO2OP
4 PO2CL
5 PO3OP
6 PO3CL
7 PO4OP
8 PO4CL
9
10
11
12
13
14
15
16
17 (24 Vdc)
(0 V)
18
19
20
( - ) side internal
connection.
Status
indicator/
switch
Intemal CPU
Read-back
circuit
RS-485 RS-485
trans- trans-
ceiver ceiver
Phase A Phase B
Dual I/O bus