1.4
Board connections and components
Figure 3.
STEVAL-PLC001V1 external connections
I0: 8 high side speed digital inputs
(CTL01-38SQ7 through SPI)
I0.0 I0.1 I0,2 I0.3 I0.4 I0.5 I0.6 I0.7
I1: 4 self-powered digital inputs
(high/low side via CTL03-2Q3)
24 V
GND
0H
0L
1H
1L
2H
2L
3H
3L
24 V
GND
Isolated serial connection
ST-LINK interface (for programming)
Optional 5 V input
(non-isolated, for demo mode only)
24 V input supply
Q0: 8 galvanic isolated high-side
digital outputs
(ISO8200AQ with SPI)
Q0.0 Q0.1 Q0.2 Q0.3 Q0.4 Q0.5 Q0.6 Q0.7
Q1: 4 low-side digital outputs
(IPS4260L)
Q1.0 Q1.1 Q1.2 Q1.3
24 V to field
-ve/+ve
UM2933
Board connections and components
UM2933
-
Rev 1
page 5/42