Specifications

I
2
C Input/Output Boards, Continued
Circuits on the AIO 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.
Analog I/O Board
(AIO) Connections
AIO I
2
C Wire Side View
Lead Pin Pin Lead
AI8 -10V 2 ∎ ∎ 1 AI8 +10V
AI7 -10V 4 ∎ ∎ 3 AI7 +10V
AI6 -10V 6 ∎ ∎ 5 AI6 +10V
AI5 -10V 8 ∎ ∎ 7 AI5 +10V
AI4 -10V 10 ∎ ∎ 9 AI4 +10V
AI3 -10V 12 ∎ ∎ 11 AI3 +10V
AI2 -10V 14 ∎ ∎ 13 AI2 +10V
AI1 -10V 16 ∎ ∎ 15 AI1 +10V
AO_GND 18 ∎ ∎ 17 AO8 Current
AO_GND 20 ∎ ∎ 19 AO7 Current
AO_GND 22 ∎ ∎ 21 AO6 Current
AO_GND 24 ∎ ∎ 23 AO5 Current
AO_GND 26 ∎ ∎ 25 AO4 Current
AO_GND 28 ∎ ∎ 27 AO3 Current
AO_GND 30 ∎ ∎ 29 AO2 Current
AO_GND 32 ∎ ∎ 31 AO1 Current
DI Common 34 ∎ ∎ 33 DI2 Signal
DI Common 36 ∎ ∎ 35 DI1 Signal
Analog Inputs: -20 to +20 mA into 50 ohms or -10 to +10V, R
10
=1 M-ohm,
mutually isolated 10 V
Analog Outputs: 0/4-20 mA. Common negative pole galvanically separated
from ground, freely connectable to ground, max. gain vs. local protective
ground potential 50B, max. working resistance 750 ohms.
Digital Inputs: Optocoupler with internal 12-24 VDC power supply,
switchable with floating contacts; alternative: switchable with external
voltage 12-24 VDC, common negative pole.
Design: Terminal strips for braided or solid conductors with a maximum
diameter of 1.5 mm or 16 AWG.
Table 2-4: I
2
C AIO Board Connection Diagram
A5E31405710001 2-15