Anemoment LLC
19
Data Logger 422 User Manual
INST3 - Instrument #3 Connector
The Instrument #3 connector (J11) is where the user connects the serial instrument that is shown as
the third instrument in the data stream of the DL422.
NOTE:
Pin 1 is on the
left
as viewed in Figure 8.
Table 7: Instrument #3 Connector Pin Descriptions
Pin Name Signal Name
Description
1
V_Out
Voltage output of 5V. (Jumper Configurable to 12V or 3.3V)
2
GND
Ground
3
TX
Serial Data Transmit Output EIA232 Voltage levels.
(Jumper Configurable to 3.3V UART)
4
RX
Serial Data Receive Input EIA232 Voltage levels.
(Jumper Configurable to 3.3V UART)
5
I2C SCL
I2C Clock
(Jumper Configurable to TriSonica Trigger Signal)
6
I2C SDA
I2C Data
INST4 - Instrument #4 Connector
The Instrument #4 connector (J13) is where the user connects the serial instrument that is shown as
the fourth instrument in the data stream of the DL422.
NOTE:
Pin 1 is on the
left
as viewed in Figure 8.
Table 8: Instrument #4 Connector Pin Descriptions
Pin Name Signal Name
Description
1
V_Out
Voltage output of 5V. (Jumper Configurable to 12V or 3.3V)
2
GND
Ground
3
TX
Serial Data Transmit Output EIA232 Voltage levels.
(Jumper Configurable to 3.3V UART)
4
RX
Serial Data Receive Input EIA232 Voltage levels.
(Jumper Configurable to 3.3V UART)
5
I2C SCL
I2C Clock
(Jumper Configurable to TriSonica Trigger Signal)
6
I2C SDA
I2C Data