Operating instructions
Gateway ZAbluegalaxy / DIG-2019NE
•
Introduction
L-BAL-312-GB 2020 Index 001
6/23
1.2
Functional Overview
The processing core of the Gateway ZAbluegalaxy / DIG-2019NE is an unmodified Raspberry PI 3 B+
board. ZIEHL-ABEGG SE specific add-on boards implement the specific features. Refer to figure 1 for
the block diagram of the 2 x CAN variant. Refer to figure 2 for the block diagram of the 2 x RS485
variant.
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
Trans-
ceiver
DC
DC
Isolator
CAN
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
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
PE
1-
Wire
Isolator
Trans-
ceiver
DC
DC
Is
ol
at
io
n
ba
rr
ie
r
CAN
Figure 1: Gateway ZAbluegalaxy / DIG-2019NE block diagram 2 x CAN
(Gateway ZAbluegalaxy)