Westermo DDW-222 User Manual
Page 7
7
6642-22203
Ratings
Power
(20 – 48) VDC; 300 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 values
1
In / +Voltage A
U
in
= (10 – 60) VDC
I
in
= 420mA @ 16VDC
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 / 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
* 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.
Pos.
Direction/
descripton
Input/Output
values
1
Not connected
(DCD)
U
max
= ± 12 Vpk
I
max
= ± 60 mA
Data rate:
0.3 – 115.2 kbit/s
2
In/Received Data
(RD)
3
Out/Transmitted Data
(TD)
4
Out/Data Terminal Ready
(DTR)
5
–/Signal Ground
(SG)
6
In/Data Set Ready
(DSR)
7
Out/Request To Send
(RTS)
8
In/Clear To Send
(CTS)
9
Not connected
(RI)
Position
Direction*/
descripton
Input/Output
values
1
In/Out / SHDSL U = ± 5 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 protection.
M5 threaded hole
for PE connection.