Figure 9.
STEVAL-PLC001V1 circuit schematic (2 of 9)
Data out= /MISO
INPUT
Data out= MISO
GND_CLT1
16 bits
Isolation Barrier
CLT01-38SQ7
MO-A2
I0.0
I0.1
I0.2
I0.3
I0.4
I0.5
I0.6
I0.7
24V_Field
VDD
SDO_DAISY
SPI2_SCK
SPI2_NSS
PD6/B2
SPI2_MISO
GND_Logic
GND_Field
VDD_CLT
VDD_CLT
VDD_CLT
VDD
VDD
U1
CLT01_38SQ7_TR
VDD
1
DVR
2
NC_1
3
SPM
4
NC_2
5
NC_3
6
COMP_1
7
NC_4
8
NC_5
9
NC_6
10
NC_7
11
NC_8
12
13
VC
14
VCS
15
COMP_2
16
IN1
17
IN2
18
IN3
19
IN4
20
COMP_3
21
IN5
22
IN6
23
IN7
24
IN8
25
NC_9
26
NC_10
27
NC_11
28
NC_12
29
NC_13
30
NC_14
31
COMP_4
32
NC_15
33
NC_16
34
LED8
35
LED7
36
LED6
LED5
37
LED4
38
LED3
39
LED2
40
LED1
41
REF
42
COMS
43
MISO_MISO
44
NC_17
45
MOSI
46
SCK
47
_CS
48
49
D4
GREEN
A
C
C7
22nF
D8
GREEN
A
C
R5
15K
R16
120K
C10
22nF
R20 120E
R81K
U2
SI8661BD-B-IS
VDD1
1
A1
2
A2
3
A3
4
A4
5
A5
6
A6
7
GND1
8
GND2
9
B6
10
B5
11
B4
12
B3
13
B2
14
B1
15
VDD2
16
R13
D5
GREEN
A
C
D1
GREEN
A
C
C12
22nF
C8
22nF
C14
100nF
R60E
R22 2K2
C129
DNM
C15
10uF
J1
CON8
1
2
3
4
5
6
7
8
R10
1K
D2
GREEN
A
C
C16
100nF
C3 33pF
C18
22nF
R17 2K2
R7 2K2
D6
GREEN
A
C
TP1
NM
1
C9
22nF
TP2
NM
1
R19 2K2
D3
GREEN
A
C
TP3
NM
1
J4
3 pin jumper
1
2
3
R21
R15 1M5
C5
4.7uF
TP4
NM
1
R9 2K2
TP14
NM
1
R1940.0
D7
GREEN
A
C
R18 120E
NM
C6
100nF
R12 2K2
J2
3 pin jumper
1
2
3
CL
T_CS1
CL
T_SCK
CL
T_MOSI
C
LT_MISO
I0 .0
CLT_IN1
I0 .0
I0 .1
I0 .1
CLT_IN2
I0 .2
I0 .3
I0 .4
I0 .5
I0 .6
I0 .7
I0 .2
CLT_IN3
I0 .3
CLT_IN4
CL
T_IN1
CL
T_IN2
CL
T_IN3
CL
T_IN4
CL
T_IN5
CL
T_IN6
CL
T_IN7
CL
T_IN8
I0 .4
CLT_IN5
I0 .5
CLT_IN6
CLT_MOSI
CLT_SCK
I0 .6
CLT_IN7
CLT_CS1
CLT_MISO
I0 .7
CLT_IN8
GND_Field
GND_Logic
GND_Field
GND_Field
GND_Field
GND_CLT1
HIGH SIDE DIGITAL INPUTS
8 bits
GND_Logic
GND_CLT1
GND_CLT1
GND_Field
GND_Field
GND_CLT1
GND_CLT1 GND_Field
GND_Field
I0.0
I0.1
I0.2
I0.3
I0.4
I0.5
I0.6
I0.7
C4 33pF
C2 33pF
R8 1K
1K
R11
2K2
C1 33pF
C11
33nF
J1
CON8
1
2
3
4
5
6
7
8
R1
220R
R2
C17
22nF
1
NM
1
R3
1
J4
1
2
3
120E
1
1
R194
0.0
C13
22nF
1
2
3
R14
2K2
I0 .0
I0 .1
I0 .2
I0 .3
I0 .4
I0 .5
I0 .6
I0 .7
220R220R220R
R4
UM2933
-
Rev 1
page 14/42
UM2933
Schematic diagrams