NIOT-E-NPIX-RS232: Extension module for RS-232
24/35
Block diagram
+3V3
R
R
COM0
G
R
R
+3V3
BCM22(GPIO)
R
COM1
G
R
R
+3V3
BCM25(GPIO)
&
VCC
GND
+3V3_ISO
ISOGND
GND
&
+3V3
GND
VCC
GND
BCM14(BCM_TXD0)
BCM15(BCM_RXD0)
HCPL-060L
HCPL-060L
+3V3_ISO
R
MAX3232EEUP
VCC
GND
+3V3_ISO
ISOGND
TX_OUT
3
Pin
Signal
Connector
RX_IN
2
ISO_GND
5
ISOGND
SHIELD1
NXE1S0305MC
+3V3
GND
IN
OUT
+3V3_ISO
ISOGND
ISO-Area
GND-Area
C
C
DCDC-Converter
BCM23(GPIO)
BCM26(GPIO)
T1OUT
T1IN
T2OUT
T2IN
R1IN
R1OUT
R2IN
R2OUT
ADM3202ARUZ
C1+
C1-
C2+
C2-
V+
V-
X2
10
PE
SHIELD2
11
PE
R=62Ohm
3,3V DC
5V DC
ISOGND
BZX84C3V3
Block diagram: NPIX-RS232
6
ystem
connector
A
B
C
D
E
F
G
C=10µF/10V
C=10µF/10V
Connector
case
n.c.
1
n.c.
4
n.c.
6
n.c.
7
n.c.
8
n.c.
9
LED0_GREEN
LED0_RED
LED1_GREEN
LED1_RED
Figure 24: NIOT-E-NPIX-RS232 block diagram
netPI Extension Modules | NPIX
DOC171201HW01EN | Revision 1 | English | 2018-01 | Released | Public
© Hilscher 2018