User Manual
Revision 0
2021-03-03
© 2021 Escape Logger
Page 13 of 35
Figure 3-3: RS232 and RS485 Serial Ports.
The two (2) serial ports can be used for the following:
Sending commands to external devices and storing the response on the internal SD
card.
Streaming the logger sensor data out of the serial port (this can be done with one or
both serial ports at the same).
!
WARNING:
Do not connect the DC terminal power input to the RS-485 input otherwise the
device could be damaged. Both terminals use the same connector. Always leave
the plug in the RS-485 socket to reduce the likelihood of this occurring.
3.6
USB
S
ERIAL
P
ORT
The USB port and be configured to stream the sensors data. This allows data streaming to a
PC without the need for a serial to USB or RS485 adaptor. It allows the logger to be used in
situations where you would like to see the data streaming to a PC for viewing or storing
instead of the logger internal SD card.
Figure 3-4: USB Serial Port.
3.7
E
XTERNAL
P
OWER
S
WITCH
The switch (SW) input is rated at 0.5A and is used to power external equipment to conserve
power during deep sleep mode. During wake-up the logger connects the SW input to GND to
power external equipment during the sample period and then disconnects it when it goes
back to sleep.
