Westermo DDW-226 User Manual
Page 6
6
6642-22402
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 / 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 capaci-
tively isolated to GND/PE through a 2kV 1000pF
capacitor.
See user manual for proven transient protection.
Position
Direction*/
descripton
Input values
1
In / +Voltage A
U
in
= (10 – 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/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 capaci-
tively isolated to signal ground through a 1,5 kV 220 pF
capacitor.
See user manual for proven transient protection.
M5 threaded hole
for PE connection.