Ratings and safety control drawing – Westermo MDW-45 User Manual
Page 6
6
6617-2203
Ratings and safety control drawing
Power
12 – 48 VDC; 95 mA
Ambient temperature
–40ºC ≤ Ta ≤ +70ºC
Maximum surface temperatur 136 ºC (temperatur class T3)
Degree of protection
IP21
Installation spacing
Minimum 25 mm above / below and minimum 10 mm left / right
RS-232
Position Direction* / description
Input /Output values
1
Not connected
U
max
= ± 12 Vpk
I
max
= ± 60 mA
Data rate:
1.2 – 115.2 kbit/s
2
Out / Received Data (RD)
3
In / Transmitted Data (TD)
4
Not connected
5
– / Signal Ground (SG)
6
Out / Data Set Ready (DSR)
7
In / Request To Send (RTS)
8
Out / Clear To Send (CTS)
9
Not connected
RS-422/485
Position Direction* / description
Input /Output values
1
In / R+ line RS-422
U
max
= ± 5 Vpk
I
max
= ± 250 mA
Data rate:
1.2 – 115.2 kbit/s
2
In / R– line RS-422
3
In / Out / T+ line RS-422/485
4
In / Out / T– line RS-422/485
Power – LV
Position
Direction* /
description
Intput values
1
In / COM
U
in
= 9.6 – 57.6 VDC
Max
in
= 0.16 A @ 9.6 VDC
P
In
= 2 W
2
In / +VA
3
In / +Voltage B
4
In / Common
Galvanically isolated via power transformer and optocoupler.
Capacitively isolated via Y1 capacitor rated 440 Vrms 3300 pF.