ABB RAIO-01, User Manual

Page: 18 / 28

Chapter 3 – Installation
18 RAIO-01 User’s manual
Terminal
designations
The RAIO-01 is equipped with two 6-pole non-
detachable screw-type connectors. Terminal block X1
provides the connection for the analogue input signals,
and X2 provides the connection for the analogue output
signals. Each terminal block includes two terminals for
the cable shield (see also
Figure 3 ).
X1 Marking Description
1 AI1-
Analog
ue
input 1
Current signal
±0(4)…20 mA
Input impedance 100
Ω
Galvanically isolated as a
group (see page
24 ) from
the analogue outputs,
power supply and earth.
Voltage signal
±0(2)…10 V or ±0…2 V
Input impedance 200 k
Ω
Galvanically isolated as a
group (see page
24 ) from
the analogue outputs, power
supply and earth.
2 AI1+
3 AI2-
Ana
logue
inp
ut 2
4 AI2+
5 SHLD
Cable shield AC earthing. Connected via an RC circuit to the
frame.
6 SHLD
X2 Marking Description
1 AO1+
Current
output 1
Current signal
0(4)...20 mA
Load resistance max. 700
Ω
Galvanically isolated as a group (see page 24 ) from the
analogue inputs, power supply and earth.
2 AO1-
3 AO2+
Cu
rrent
outp
ut 2
4 AO2-
5 SHLD
Cable shield AC earthing (via an RC circuit to the frame).
6 SHLD