Toshiba V Series Manual page 150

5. PI/O Module
SPI012 module internal circuitry
SPI012 module external wiring
 When mounted on UTBA1
136
PI1(+)
PI1( - )
PI4(+)
PI4( - )
External
24 Vdc
power
0 V
supply
External power
supply monitoring
Module connector
(TB1/TB2)
SPI012
GND FG FG
1 PI1 (+)
2 PI1 ( - )
3 PI2 (+)
4 PI2 ( - )
5 PI3 (+)
6 PI3 ( - )
7 PI4 (+)
8 PI4 ( - )
Pulse
9
generator
10
11
12
13
14
15
16
17 (24 Vdc)
+
18 (0 V)
24 Vdc
19
20
( - ) side internal
GND
connection.
A ground bar (FSBR2) is used for shielding.
Internal CPU
AMP
circuit
Trans-
former
insula-
tion
Fixed voltage power
circuit
supply circuit
System power supply
(24 Vdc)
SPI01
GND
+
-
Pulse
generator
+
24 Vdc
Status
indicator/
switch
Internal power
supply
RS-485 RS-485
trans- trans-
ceiver ceiver
Phase A Phase B
Dual I/O bus
(TB1/TB2) SPI01
SPI012
FG FG
1 PI1 (+)
2 PI1 ( - )
3 PI2 (+)
4 PI2 ( - )
5 PI3 (+)
6 PI3 ( - )
7 PI4 (+)
8 PI4 ( - )
9
10
11
12
13
14
15
16
17 (24 Vdc)
18 (0 V)
19
20
( - ) side internal
connection.