Campbell CR1000X - Accuracy (Resistance Measurements); 10.5.3 Period-Averaging Measurement Specifications

Pin
Number
Function
Input (I)
Output(O)
Description
8 12Vdc
Nominal 12 Vdc power. Same power as 12V and SW12
terminals.
9 TXD O
Transmit data: transmits serial data from the
datalogger to peripherals on pin 9; logic-low marking
(0V), logic-high spacing (5V), standard-asynchronous
ASCII: eight data bits, no parity, one start bit, one stop
bit. User selectable baud rates: 300, 1200, 2400, 4800,
9600, 19200, 38400, 115200.
RS-232/CPI: Single RJ45 module port that can operate in one of two modes: RS-232 or CPI. RS-
232 connects to computer, sensor, or communications devices serially. CPI interfaces with
Campbell Scientific CDM measurement peripherals and sensors.
RS-232/CPI Pinout:
Pin Number Description
1 RS-232: Transmit (Tx)
2 RS-232: Receive (Rx)
3 100 Ω Res Ground
4 CPI: Data
5 CPI: Data
6 100 Ω Res Ground
7 RS-232 CTS CPI: Sync
8 RS-232 DTR CPI: Sync
9 Not Used
SDI-12 (C1, C3, C5, C7): Four independent SDI-12 compliant terminals are individually configured
and meet SDI-12 Standard v 1.4.
10.9 Standards compliance specifications
View EU Declarations of Conformity at www.campbellsci.eu/cr1000x.
Shock and Vibration:MIL-STD 810G methods 516.6 and 514.6
10. Specifications 174