Interface specifications – Westermo DDW-226 User Manual
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6642-22402
Interface specifications
Power
Rated voltage
20 to 48 VDC
Operating voltage
16 to 60 VDC
Rated current
330 mA (495 mA) @ 20 VDC (with 500 mA USB load)
150 mA (215 mA) @ 48 VDC (with 500 mA USB load)
Rated frequency
DC
Inrush current, I
2
t
1.5 A
2
s
Startup current*
400 mA
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
* External supply current capability for proper startup.
Console
Electrical specification
TTL-level
Data rate
115.2 kbit/s
Data format
8 data bits, none parity, 1 stop bit, no flow control
Circuit type
SELV
Isolation to
All other except USB
Galvanic connection to
USB
Connection
2.5 mm jack, use Westermo cable 1211-2027