Ratings, Safety control drawing – Westermo EDW-120 User Manual
Page 5
5
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Ratings
Power
12 – 48 VDC; 200 mA
Ambient temperature
–25ºC ≤ Ta ≤ +70ºC
Ingress protection (IP)
IP21
Maximum surface temperatur 135ºC (temperature class T4)
Safety Control Drawing
Position
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 transformer and capacitively
isolated to signal ground through a 3 kV 470 pF capacitor.
See user manual for proven transient protection.
Position
Descripton
Input values
1
In / Common
U
min/max
= 10 – 60 VDC
I
max
= 300 mA max
P
max
= 3 W
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
1234
Degree of protection
IP 21
Ambient temperature
–25°C to +70°C
Installation spacing
Minimum 25 mm above / below
Minimum 10 mm left / right
Position 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)