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3
REPLACING I/O MODULES
(24)Specifications comparison between AX50(S1) and QX50
{: Compatible,
Specification
Number of input points
Insulation method
: Partial change required, ×: Incompatible
QX50
Compatibility
16 points
16 points
{
Photocoupler
Photocoupler
AX50(S1) *1
Rated input voltage
48VDC
Rated input current
4mA
48VDC
48VAC
Approx. 4mA
40.8 to 57.6VDC
(Ripple ratio
within 5%)
40.8 to 52.8VAC
(Ripple ratio
within 5%)
{
{
{
Operating voltage range
38.4 to 57.6VDC
(Ripple ratio within 5%)
Maximum number of
simultaneous input points
100% (8 points/common)
Simultaneously ON
Refer to the derating chart. *2
ON voltage/ON current
34VDC or more
3.0mA or more
28VDC or more/2.5mA or more
{
OFF voltage/OFF current
10VDC or less
1.0mA or less
10VDC or less/1.0mA or less
{
Input resistance
Approx. 11kW
Approx. 11.2kW
{
Response
time
{
Use it within the range shown in
the derating chart.
OFF to ON
10ms or less
5ms or less
15ms or less
{
ON to OFF
10ms or less
20ms or less
20ms or less
{
As the common changes from
two commons to one common,
wiring with a different voltage for
each common is not possible.
8 points/common
(Common terminal
: TB9, TB18)
16 points/common
(Common terminal:TB17)
Operation indication
ON indication (LED)
ON indication (LED)
{
External connection
method
20-point
terminal block connector
(M3 × 6 screws)
18-point terminal block
(M3 × 6 screws)
×
Applicable wire size
0.75 to 2mm2
(Applicable tightening torque
68.6N cm)
0.3 to 0.75mm2 core
(Outside diameter: 2.8mm (0.11
inch) or less)
×
R1.25-3, R2-3
RAV1.25-3, RAV2-3
R1.25-3
(Sleeved solderless terminals
cannot be used.)
×
55mA (TYP. all points ON)
50mA (TYP. all points ON)
{
Common terminal
arrangement
Applicable solderless
terminal
Current consumption
External dimensions
250 (H) × 37.5 (W) × 121 (D) mm
98 (H) × 27.4 (W) × 90 (D) mm
(9.84 (H) × 1.48 (W) × 4.76 (D) inch) (3.86 (H) × 1.08 (W) × 3.54 (D) inch)
Weight
0.37kg
0.13kg
*1
The AX50 is sink type module and the AX50-S1 is sink/source type module.
*2
The following shows the derating chart.
Precautions for replacement
Wiring change is required.
Wiring space is narrow.
{
The specifications of the AX50 and AX50-S1 shown on the table above are the same.
100
90
ON 80
ratio 70
60
50
40
30
20
0
48VDC/AC
57.6VDC
52.8VAC
10 20 30 40 50 55
Ambient temperature
3 - 48