Specifications

I
2
C Input/Output Boards, Continued
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.
Analog and Digital I/O
Board (ADIO)
Connections
ADIO I
2
C Wire Side View
Lead Pin Pin Lead
AI4 -10V 2 ∎ ∎ 1 AI4 +10V
AI3 -10V 4 ∎ ∎ 3 AI3 +10V
AI2 -10V 6 ∎ ∎ 5 AI2 +10V
AI1 -10V 8 ∎ ∎ 7 AI1 +10V
DI Common 10 ∎ ∎ 9 DI4 Signal
DI Common 12 ∎ ∎ 11 DI3 Signal
DI Common 14 ∎ ∎ 13 DI2 Signal
DI Common 16 ∎ ∎ 15 DI1 Signal
AO_GND 18 ∎ ∎ 17 AO4 Current
AO_GND 20 ∎ ∎ 19 AO3 Current
AO_GND 22 ∎ ∎ 21 AO2 Current
AO_GND 24 ∎ ∎ 23 AO1 Current
DO4 C 26 ∎ ∎ 25 DO4 NC
DO3 NC 28 ∎ ∎ 27 DO4 NO
DO3 NO 30 ∎ ∎ 29 DO3 C
DO2 C 32 ∎ ∎ 31 DO2 NC
DO1 NC 34 ∎ ∎ 33 DO2 NO
DO1 NO 36 ∎ ∎ 35 DO1 C
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.
Digital Outputs: Digital Outputs: Floating double-throw contacts, max.
contact load rating 30 V/1A
Design: Terminal strips for braided or solid conductors with a maximum
diameter of 1.5 mm or 16 AWG.
Table 2-6: I
2
C ADIO Board Connection Diagram
A5E31405710001 2-19