
© 2016 Active Research Limited
Professional NMEA 0183 Intelligent Buffer - PRO-BUF-1
Page 15
Product Code Description
PRO-BUF-1-BAS-R Standard conguration with pluggable screw terminals
PRO-BUF-1-BAS-S Standard conguration with pluggable screwless terminals
Power Supply
Input supply voltage 10 to 35 V DC
Input supply current 325mA max @ 12V DC (all outputs @ full drive
into 100 ohm loads)
Input protection Continuous reverse polarity, transient overvolt-
age and ESD protection
Power indicator LED, Blue - indicates unit is functioning cor-
rectly
NMEA 0183 Port - Listener & Talker
Number of Listener / input
ports 2 isolated NMEA 0183 Listeners
Number of Talker / output
ports 12 isolated NMEA 0183 Talkers
Compatibility Fully NMEA 0183, RS422 & RS232 compatible.
RS485 Listener compatible
Electrical isolation 2500 V input to ground, 1500 V output to
ground using ISO-Drive™
Speed / baud rate 4800 to 38400 bps
Talker output voltage drive >= 2.1V (differential) into 100 ohm
Talker output current drive 20 mA maximum per output
Talker output protection Short circuit and ESD
Listener input voltage
tolerance
-15 V to +15 V continuous, -35 V to +35 V short
term (< 1 second)
Listener input protection Current limited, overdrive protection to 40 VDC
and ESD protection
Listener data indicator LED, Green (Flashes to indicate valid input)
Talker data indicator LED, Orange (Flashes at data rate)
Serial Port
Number of input ports 1 isolated input
Number of output ports 1 isolated output
Compatibility RS422 & RS232 compatible. RS485 Listener
compatible
Electrical isolation 2500 V input to ground 1500 V output to
ground using ISO-Drive™
Speed / baud rate 4800 to 115200 bps
Output voltage drive >= 2.1V (differential) into 100 ohm
Output current drive 20 mA max.
Output protection Short circuit and ESD
Input voltage tolerance -15 V to +15 V continuous, -35 V to +35 V short
term (< 1 second)
Input protection Current limited, overdrive protection to 40 VDC
and ESD protection
Ethernet Port
Host interface 10/100BaseT, automatic polarity detection
Supported protocols TCP/IP for conguration and rmware updating
TCP/IP and UDP for NMEA 0183 comms
Connector RJ45
Electrical isolation 2kV
Indicators Green - Link, Yellow - 100 Mbps
Mode Inputs
Input voltage range 0 to 35V DC
Protection Transient overvoltage and ESD protection
Alarm Output
Contacts Normally open and normally closed
Electrical isolation 1000V between power supply and contacts
Alarm indicator LED, red indicates a valid alarm condition
Mechanical
Housing material Polycarbonate / ABS blend
Flame retardancy UL94 - V0
Dimensions See diagram below
Weight 250g
Mounting DIN rail mount (35mm top hat rail EN 50 022)
Compass safe distance TBD
Wiring terminals Pluggable 2/3 way screw or screwless connec-
tors, 5mm pitch, 12 to 30 AWG
Approvals and Certications
EMC IEC 60945 (sections 9 & 10)
CE 2004/108/EC
Type approval DNV planned
Environmental protection IP44
Operating temperature -20°C to +70°C
Storage temperature -40°C to +85°C
Relative Humidity (RH) 0 - 80% RH
Guarantee 5 years
Product Dimensions.
160.00
160.00
32.00
32.00
107.00
90.00
122.00
(BAS-S version)
(BAS-R version)