Westermo MD-21 - Manual (Page 2)

8 6151-2002
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 20mA current loop, selectable active or passive
Data rate Up to 19200 bit/s
Indicators Power, RD, TD
Isolation Galvanic isolation with opto-coupler
(data transmission) and transformer (supply)
Isolation voltage 1500V
Overvoltage protection Mains: Breakdown voltage 430V at 230V AC
and 220V at 115V AC*
Interface 2: Breakdown voltage transmitter and
receiver 37V. Surge capacity 0.6 kW for 1 ms
Power supply** 115V*/230V AC +15/-10% 48-62Hz
Fuse 100mA fast 5x20mm
Power consumption Max 4VA at 115V and 230V
Temperature range 5-50° C, ambient temperature
Humidity 0-95% RH, non-condensing
Dimensions 55x100x128 mm
Weight 0.4 kg
Mounting On a 35mm DIN-rail
** For other power supply voltages contact Westermo.
* Only MD-21 115V