Interface specifications – Westermo ODW-622 User Manual
Page 13

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6650-2234
Status
Port type
Signal relay, changeover contacts
Rated voltage
Up to 48 VDC
Operating voltage
Up to 60 VDC
Contact rating
500 mA @ 48 VDC
Contact resistance
< 50 mW
Isolation to
RS-232 and Power port
Connection
Detachable screw terminal
Connector size
0.2 – 2.5 mm² (AWG 24 – 12)
Shielded cable
Not required
* External supply current capability for proper startup
Interface specifications
Power
Rated voltage
ODW-622:
12 to 48 VDC and 24 VAC
ODW-622 Ex: 12 to 48 VDC
Operating voltage
ODW-622:
10 to 60 VDC and 20 to 30 VAC
ODW-622 Ex: 10 to 60 VDC
Rated current
400 mA @ 12 V
250 mA @ 24 V
100 mA @ 48 V
Rated frequency
ODW-622:
DC and 48 to 62 Hz
ODW-622 Ex: DC
Inrush current I²t
0.2 A²s
Startup current*
1.0 A
peak
Polarity
Reverse polarity protected
Redundant power input
Yes
Isolation to
RS-232 and Status port
Connection
Detachable screw terminal
Connector size
0.2 – 2.5 mm² (AWG 24 – 12)
Shielded cable
Not required