Campbell Met One 034A-L Manual do Operador descarregar pdf (Página 17)

Manual

CR10X Storage and Control Module

Figure 6: PS12-LA and CR10X in ENC12/14 Protective Enclosure

Fix the central grounding cable of the protective enclosure to the ground terminal on the CR10X wiring panel. This

is essential for protecting the instrument against lightning strikes. It is also crucial for obtaining precise measure-

ments, as sensors and datalogger need the same ground reference.

Before connecting the CR10X to the external power supply, toggle the switch on the PS12-LA charger/regulator to

‘OFF’, to make sure that power is disconnected.

Connect the red wire attached to the 12V terminal of the PS12-LA power supply to its 12V counterpart on the wiring

panel. In the same manner, connect the black wire attach to the ground terminal on the PS12-LA to the ‘power in’ G

terminal on the wiring panel. The above sequence is important to avoid creating a short circuit. DO NOT supply power

to the logger until all sensors are properly connected, and all other hardware installation activities are completed.

Connect the various sensor cables to the CR10X wiring panel according to the wiring schedule in Annex 2 and the

below presented table 1. All wires are pre-stripped and pre-tinned, and there is no need for removing more wire iso-

lation. Do not cut any wire since the complete length may be useful in future applications. Instead, attach all sensor

cables properly to the datalogger and ENC12/14 enclosure with the supplied strain relief flanges and cable ties.

Sensor

CS500 (Temp & RH)

L!200 (Pyranometer)

034A (Mod. Met One)

TE525 (Rain Gage)

Color

Green

Clear

Black

Brown

Red

jumper from C1 to SW12 CTRL

White

Clear

Red

Black

Red

Clear

Black

White

Green

Blue

Clear

White

Black

Terminal

SW12V

from C1 to SW12 CTRL

Table 1: Wiring Schedule

After connecting all sensors to the wiring panel, the user should load an appropriate datalogger program into the

CR10X. To this end, store the METSTAT datalogger program in Program Location 8 of the SM4M storage module (see

Annex 8 for the complete instructions for this activity), and then connect the SM4M storage module and CR10KD

keyboard display to the logger using the SC12 cable.

Box 1: Permanent Storage of METSTAT in Program Location 8 of the SM4M

It is advised to leave an uncorrupted version of METSTAT at all times in program location 8 of the SM4M

storage module. As discussed later in the “trouble shooting’ chapter, a wide range of possible operation prob-

lems can be solved by reloading METSTAT into the datalogger.

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