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Analog And Digital Io Board - Siemens Maxum II Reference Manual

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Electronic Compartment Component Descriptions and Maintenance Procedures
2.4 Analog and Digital IO
2.4.4

Analog and Digital IO Board

Circuits on the ADIO board are wired as shown in the following table. The table is the view as
seen when looking at the connector while the board is installed.
Table 2-3
ADIO_I2C Wire Side View
Signal
AI4 -10V
AI3 -10V
AI2 -10V
AI1 -10V
10
12
DI Common
14
16
18
20
AO_GND
22
24
DO4 Common
26
DO3 NC
28
DO3 NO
30
DO2 Common
32
DO1 NC
34
DO1 NO
36
Figure 2-25
60
Pin
Signal
2
1
AI4 +10V
4
3
AI3 +10V
6
5
AI2 +10V
8
7
AI1 +10V
9
DI4
11
DI3
13
DI2
15
DI1
17
AO4 Current
19
AO3 Current
21
AO2 Current
23
AO1 Current
23
DO4 NC
27
DO4 NO
29
DO3 Common
31
DO2 NC
33
DO2 NO
35
DO1 Common
Analog and Digital I/O Board (ADIO_I2C)
Analog Inputs: -20 to 20mA into 50Ω or -10 to 10V, R10=1MΩ,
mutually isolated 10V
Analog Outputs: 0-4 to 20mA. Common negative pole, galvani‐
cally separated from ground, freely connectable to ground; work‐
ing resistance 750Ω.
Digital Inputs: Optocoupler with internal 12-24VDC power supply,
switchable with floating contacts; alternative: switchable with ex‐
ternal voltage 12-24VDC, common negative pole.
Digital Outputs: Digital Outputs: Floating double-throw contacts,
max. contact load rating 30V / 1A
I/O Terminal Design: Plug-in terminal strips for stranded or solid
conductors with a maximum diameter of 1.0mm
or 18AWG.
2
Maxum II Reference Manual
Manual, 7/2017, 2000596-001

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