© National Instruments Corporation 23 cFP-21xx Quick Start Guide
RS-485 (DTE) serial port
Baud rate.................................... 110 to 115,200 bps
Data bits......................................5, 6, 7, 8
Stop bits...................................... 1, 1.5, 2
Parity....................... ...................Odd, Even, Mark, Space
Flow control............................ ...XON/XOFF
Wire mode.................................. 4-wire
Isolation voltage, port to earth ground
Continuous...........................100 Vrms
Dielectric withstand.............740 Vrms, verified by 5 s test
Power RequirementPower supply range...........................11–30 VDC
Recommended power supply
cFP-BP-4 system........................ 15 W
cFP-BP-8 system........................ 20 W
Power consumption.............. ............6.1 W + 1.1 (I/O module power
requirements)
Physical CharacteristicsScrew-terminal wiring...................... 16–26 AWG copper conductor wire with
7mm (0.28 in.) of insulation stripped from
the end
Torque for screw terminals...............0.5–0.6 N · m (4.4 –5.3 lb · in.)
Weight...............................................278 g (9.8 oz)