Safety control drawing and ratings – Westermo DDW-120 User Manual
Page 5
5
6621-2214
Safety Control Drawing and ratings
Power
(12 – 48) VDC; 240 mA
Ambient temperature
–40ºC to +70ºC
Maximum surface temperatur
135ºC (temperature class T4)
Degree of protection
IP 21
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
Galvanically isolated via signal transformers and
capacitively isolated to signal ground through a
250 V 3300 pF capacitor.
See user manual for proven transient protection.
Position
Direction*/
descripton
Input/Output values
1
In/Out / SHDSL
U = peak to peak: 15 V
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 1,5kV 220pF capacitor.
See user manual for proven transient protection.
Position
Direction*/
descripton
Input values
1
In / Common
U
in
= (10 – 60) VDC
I
in
= 295 mA @ 10 VDC
P
In
= Max 3 W
1
2
3
4
2
In / +Voltage A
3
In / +Voltage B
4
In / Common
See section Type tests and environmental conditions in this
user manual for proven transient protection.
1234
12