Westermo DDW-225-EX User Manual
Page 10
10
6642-22313
Ratings
Power
(20 – 48) VDC; 330 mA
Ambient temperature
–40ºC ≤ Ta ≤ +70ºC
Ingress protection (IP)
IP40
Maximum surface temperature
135ºC (temperatur class T4)
Safety Control Drawing
Degree of protection
IP40
Ambient temperature
–40°C to +70°C
Installation spacing
Minimum 25 mm above / below
Minimum 10 mm left / right
Direction relative this unit!
Position
Direction*/
descripton
Input/Output
values
1
In/Out / SHDSL
U = ± 15 Vpk
I = ± 25 mA
Data rate
up to
15.3 Mbit/s
2
In/Out / SHDSL
* Galvanically isolated via signal transformer
and capacitively isolated to signal ground
through a 1.5 kV 220 pF capacitor.
See user manual for proven transient pro-
tection.
Position
Direction*/
description
Input/Output
values
1
2
3
4
1
IO / Relay output + U
in
= 60 VDC max
U
in
= 80 mA max
2
IO / Relay output –
3
IO / Digital in +
U
in
= 60 VDC max
U
in
= 10 mA max
4
IO / Digital in –
M5 threaded hole
for PE connection.
Position
Direction/
descripton
Input/Output
values
1
In/out / GND
U = 3.3 VDC max
I = 24 mA max
2
Out / Tx
3
In / Rx
Position
Direction*/
descripton
Input values
1
In / +Voltage A
U
in
= (16 – 60) VDC
I
in
= 420 mA @ 16 VDC
P
In
= Max 7 W
2
In / +Voltage B
3
In / Common
4
In / Common
* See section Type tests and environmental conditions in this user
manual for proven transient protection.
Position
Direction/
descripton
Input values
1
Out / VBUS
U
out
= 5 VDC max
I
out
= 500 mA max
2
In/out / D–
3
In/out / D+
4
GND
Shield
PE
Position
Direction*/
descripton
Input/Output values
1
In/Out / TD+
U = ± 1 V (4μV/s)
I = ± 20 mA
Data rate: 10/100 Mbit/s
2
In/Out / TD–
3
In/Out / RD+
4
Not connected
5
Not connected
6
In/Out / RD–
7
Not connected
8
Not connected
Shield
PE
* Galvanically isolated via signal transformers and capacitively
isolated to signal ground through a 2 kV 1000 pF capacitor.
See user manual for proven transient protection.