Campbell CR1000X - Table 2-4: Voltage Output; Table 2-5: Communications Terminal Functions; Table 2-6: Digital I;O Terminal Functions

Table 2-4: Voltage Output
C1-C8
1
VX1-VX4 5V 12V SW12-1 SW12-2
5 Vdc
ü ü ü
3.3 Vdc
ü ü
12 Vdc
ü ü ü
1
C terminals have limited drive capacity. Voltage levels are configured in pairs.
Table 2-5: Communications terminal functions
C1 C2 C3 C4 C5 C6 C7 C8 RS-232/CPI
SDI-12
ü ü ü ü
GPS PPS Rx Tx Rx Tx Rx Tx Rx
TTL 0-5 V Tx Rx Tx Rx Tx Rx Tx Rx
LVTTL 0-3.3 V Tx Rx Tx Rx Tx Rx Tx Rx
RS-232 Tx Rx Tx Rx
ü
RS-485 (Half Duplex) A- B+ A- B+
RS-485 (Full Duplex) Tx- Tx+ Rx- Rx+
I2C SDA SCL SDA SCL SDA SCL SDA SCL
SPI MOSI SCLK MISO MOSI SCLK MISO
SDM
1
Data Clk Enabl Data Clk Enabl
CPI/CDM
ü
1
SDM can be on either C1-C3 or C5-C7, but not both at the same time.
Communications functions also include Ethernet and USB.
Table 2-6: Digital I/O terminal functions
C1-C8
General I/O
ü
Pulse-Width Modulation Output
ü
2. Wiring panel and terminal functions 7