Westermo MDW-45 - 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.