Specifications, Warning! do not open connected unit – Westermo MD-42 User Manual
Page 2

8
6152-2002
Specifications
Transmission
Asynchronous, full/half duplex or simplex
Interface 1
EIA RS-232-C/CCITT V.24,
9-position D-sub female / Screw-terminal
Interface 2
EIA RS-422/RS-485/CCITT V.11
Data rate
Up to 115.2 kbit/s
Indicators
Power, TD, RD, RTS, CTS, DCD
Insulation
Galvanic insulation with opto-coupler (data transmission)
and transformer (supply)
Insulation voltage
1500V
Overvoltage protection
Mains: Breakdown voltage 430V at 230V AC
and 230V at 115V AC*
Interface 2: Breakdown voltage transmitter
and receiver 7V
Surge capacity 0.6 kW for 1ms
Power supply
115V*/230VAC +15/–10% 48–62Hz
Fuse
100 mA fast 5x20 mm
Power consumption
Max 4VA at 115V*/230V AC
Temperature range
5-50°C, ambient temperature
Humidity
0–95% RH, non-condensing
Dimensions
55x100x128 mm (BxHxD)
Weight
AC 0.5 kg, DC 0.3 kg
Mounting
At DIN-rail 35 mm
* MD-42 115V AC only
1
23
4
5
6
7
8
9
S3:1-6
S2:1-6
1
2
3
4
5
MD-42 DC
V24/RS-232-C
RS-422/RS-485/V11
CONVERTER
LINE CONNECTION
-
+
TD RD RTS CTS DCD DT DS SG
103 104 105 106 109 108 107 102
12-36V DC
POWER
R+ R- T+
T-
PW
V24/RS-232-C
CONNECTION
Warning!
Do not open connected unit