Specifications

Publication 1794-SG002D-EN-P - May 2012
14 Select FLEX I/O Communication Adapters
Other Networks – PROFIBUS DP
Use the 1794-APB or 1794-APBDPV1 adapter to connect to a PROFIBUS DP
network.
Our Encompass partners offer adapters for connecting to RS-232/422/485,
Serial/DF1, and Modbus. For details, go to
www.rockwellautomation.com/encompass/
and search for products under the
platform FLEX I/O.
FLEX I/O Remote I/O Adapter Specifications
Attribute 1794-APB 1794-APBDPV1
I/O module capacity 8
Communication rate 57.6 Kbps
115.2 Kbps
230.4 Kbps
All rates up to 12 Mbps
Power consumption at 24V 7.9 W 9.6 W
Inrush current at 24V 23 A for 2 ms
Power dissipation, max 5.3 W @ 19.2V DC 4.2 W @ 19.2V DC
Thermal dissipation 17.9 BTU/hr @ 19.2V DC 14 BTU/hr @ 19.2V DC
Power supply 24V current load 450 mA 640 mA
Power supply input voltage, nom 24V DC
Operating voltage range 19.2…31.2V DC (includes 5% AC ripple)
PROFIBUS connector 9-pin D-shell; PROFIBUS standard drop cable
Isolation voltage Tested @ 850V DC for 1 s, user power to system Tested @ 850V DC for 60 s, PROFIBUS to backplane to
power
Dimensions (HxWxD), approx 87 x 68 x 69 mm
3.4 x 2.7 x 2.7 in.