WEG IOA-01 Guía De Instalación, Configuración Y Operación página 9

1
2
3
4
5
6
R L  500 
7
8
R L  500 
9
rpm
10
11
12
A
13
14
15
16
17
18
XC3 Function
DI7 Digital Input 7: No function
DI8 Digital Input 8: No function
24VDC 24Vcc Supply
Common point of the digital
COM
inputs
0V Reference of the 24Vdc
DGND*
supply
24VDC 24Vdc Supply
DO4: Output to transistor 1:
No function No function
DO5: Output to transistor 2:
No function No function
0V Reference of the 24Vdc
DGND*
supply
Isolated analog output
AO1-B ( V ):
AO1-B in voltage: Speed
Isolated analog output
AO1-B ( I )
AO1-B in current: Speed
0V Reference for isolated
AGND (iso)
analog outputs
Isolated analog output
AO2-B ( V ) AO2-B in voltage: Motor
current
Isolated analog output
AO2-B in current:
AO2-B ( I )
Motor current
Isolated analog input 3:
AI3+
Speed reference (necessary
to enable in P0221 (Local)
AI3-
or P0222 (Remote))
AI4+
Isolated analog input 4
AI4-
Figure 6: XC3 – IOB connector
Specifications
2 isolated digital inputs
High level ≥ 18V
Low level ≤ 3V
Current: 11mA@24Vdc
Power supply 24Vdc ± 8%
Capacity: 500mA
-
Grounded (frame) via impe-
dance: 940  resistor in parallel
with 22nF capacitor
Power supply 24Vdc ± 8%
Capacity: 500mA
2 isolated digital outputs, open
collector with a free wheel
diode
Maximum voltage 24V
Maximum current: 50mA
Grounded (frame) via impe-
dance: 940  resistor in parallel
with 22nF capacitor
Galvanic isolation
Signal: 0 to10V (R ≥10k ); 
L
0 to 20mA/4 to 20mA
(R ≤500 ) 
L
Protection: short-circuit
Resolution: 11bits
Precision: ±0.1%
Linearity: 1%
Galvanically isolated from
grounding
Galvanic isolation
Signal: 0 to 10V (R ≥10k );
L
0 to 20mA/4 to 20mA
(R ≤500 ) 
L
Protection: short-circuit
Resolution: 11bits
Precision: ±0.1%
Linearity: 1%
Galvanic isolation
Signal: 0 to 10 V (AI3),
(R =400k ); 0
-10...+10V (AI4)
I
to 20mA/4 to 20mA (R =500 ) 
I
Maximum voltage in relation to
AGND (iso): ±40V
Resolution: 12bits
Precision: ±0.1%
Linearity: 1%


5