Interface specifications – Westermo ODW-630-F2 User Manual
Page 14
14
6651-22651
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-422/485 and Power port
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
RS-422/485
Electrical specification
EIA RS-485, 2-wire or 4-wire twisted pair
Data rate
300 bit/s – 1.5 Mbit/s
Data format
9 – 12 bits
Protocol
Start-bit followed by 8-11 bits
Retiming
Yes
Turning time
(2-wire RS-485)
One t
bit
t
bit
= 1 / Baud rate (Baud rate in bit/s)
Transmission range
< 1200 m, depending on data rate and cable type (EIA RS-485)
Settings
120 W termination and failsafe biasing 680 W
Protection
Installation Fault Tolerant (up to ±60 V)
Isolation to
Status and Power port
Connection
Detachable screw terminal
Connector size
0.2 – 2.5 mm² (AWG 24 – 12)
Shielded cable
Not required
Interface specifications
Power
Rated voltage
12 to 48 VDC
24 VAC
Operating voltage
10 to 60 VDC
20 to 30 VAC
Rated current
400 mA @ 12 V
250 mA @ 24 V
100 mA @ 48 V
Rated frequency
DC: –
AC: 48 to 62 Hz
Inrush current I²t
0.2 A²s
Startup current*
1.0 Apeak
Polarity
Reverse polarity protected
Redundant power input
Yes
Isolation to
RS-422/485 and Status port
Connection
Detachable screw terminal
Connector size
0.2 – 2.5 mm² (AWG 24 – 12)
Shielded cable
Not required