Westermo DDW-120 - Manual (Page 15)

15 6621-2214
Interface specifications
Power
Rated voltage 12 to 48 VDC
Operating voltage 10 to 60 VDC
Rated current 240 mA @ 12 VDC
110 mA @ 24 VDC
60 mA @ 48 VDC
Rated frequency DC
Inrush current, I 2 t 0.23 A 2 s
Startup current* 0.65 A
peak
Polarity Reverse polarity protected
Redundant power input Yes
Isolation to All other
Connection Detachable screw terminal
Connector size 0.2 – 2.5 mm 2 (AWG 24 – 12)
Shielded cable Not required
* If external power supply is used it must meet specified start up current
Service port
Electrical specification TTL-level
Data rate 115.2 kbit/s
Data format 8 data bits, none parity, 1 stop bits, no flow control
Circuit type SELV
Transmission range 15 m
Isolation to All other
Galvanic connection to None
Connection 2.5 mm jack, use Westermo cable 1211-2027