Operating instructions
Gateway ZAbluegalaxy / DIG-2019NE
•
Introduction
L-BAL-312-GB 2020 Index 001
7/23
10/100
BaseT
USB 2.0
User LEDs
USB 2.0
USB 2.0
IIC
EE-
PROM
Temp.-
Sensor
Battery Power
(RTC Only)
USB 2.0
H
D
M
I
Raspberry PI
RTC
RS232
Converter
main
DC/DC
5V, 2A
2.5A
V
IN
:
9
..3
2
V
D
C
Isolator
UART
Isolator
SP
I
Co
ns
ol
e
G
PI
O
G
PI
O
26pin IO header
V
IO
: 1
0.
.3
2V
D
C
2A
High side
switches
4 x 0.5A
Is
ol
at
io
n
ba
rr
ie
r
G
N
D
-IO
4
4
micro
SD
eFuse
TPS2592AA
UVL:
9.1V ... 10.2 V rising
7.1 V ... 7.9V ... 8.8 V falling
(12% tolerance)
D
O
D
I
DC/DC
3.3V
G
N
D
120 Ohm
J300
PE
1-
Wire
RS485
Transceiver
UART
120 Ohm
J400
RS485
Transceiver
Figure 2: Gateway ZAbluegalaxy / DIG-2019NE block diagram 2 x RS485
(DIG-2019NE)
