Toshiba V Series Manual page 137

SAO02 module internal circuit
AO1(+)
AO1( - )
AO4(+)
AO4( - )
Module connector
Signal
D/A conversion isolation
circuit
circuit with
analog lead-
Insulated DC/
back
DC converter
circuit
Fixed voltage
Internal
power supply
power
circuit
supply
System power supply
(24 Vdc)
5. PI/O Module
Status
indicator/
switch
Internal CPU
circuit
RS-485 RS-485
trans- trans-
ceiver ceiver
Phase A Phase B
Dual I/O bus
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