Honeywell BW RigRat - 7 Wired Communication; Serial (Not Intended to be Used in Explosive Atmospheres)

BW RigRat User’s Guide
37
7. Wired Communication
The RigRat has three ports for external communication. They are labeled:
 Serial (not intended to be used in explosive atmospheres)
 Switch
 4-20mA IN
Serial (Not Intended To Be Used In Explosive Atmospheres)
The Serial port is designed to be the interface point with an option RAEMet meteorological sensor.
Pins
Pin A
VCC
Power output, rated 4VDC
Pin B
CS
Chip select, output
Pin D
RX
UART port, output
PIN E
GND
Ground
Pin F
TX
UART port, input
Others
Reserved
Note: Refer to RAEMet Sensor Installation (page 60) for details on connecting to a RAEMet Sensor.