Section 4. System Quickstart
• CR1000 datalogger
• Power supply with an output between 10 to 16 Vdc
• Thermocouple, 4 to 5 inches long, which is shipped with the CR1000
• Personal computer (PC) with an available nine-pin RS-232 serial port, or with
a USB port and a USB-to-RS-232 adapter
• Nine-pin female to nine-pin male RS-232 cable, which is shipped with the
CR1000
• PC200W software, which is available on the Campbell Scientific resource
DVD or thumb drive, or at www.campbellsci.com.
Note If the CR1000 datalogger is connected to the PC during normal operations,
use the Campbell Scientific SC32B interface to provide optical isolation through
the CS I/O port. Doing so protects low-level analog measurements from
grounding disturbances.
4.7.2 Hardware Setup
Note The thermocouple is attached to the CR1000 later in this exercise.
4.7.2.1 External Power Supply
With reference to the figure Power and Serial Communication Connections (p. 48),
proceed as follows:
1. Remove the green power connector from the CR1000 wiring panel.
2. Switch off the power supply.
3. Connect the positive lead of the power supply to the 12V terminal of the green
power connector. Connect the negative (ground) lead of the power supply to
the G terminal of the green connector.
4. After confirming the power supply connections have the correct polarity, insert
the green power connector into its receptacle on the CR1000 wiring panel.
5. Connect the serial cable between the RS-232 port on the CR1000 and the RS-
232 port on the PC.
6. Switch the power supply on.
47
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