Campbell CR800 Specifikace stáhnout pdf (Strana 18)

CR800 and CR850 Overview

• Datalogger to datalogger communications – Special PakBus instructions

simplify transferring data between dataloggers for distributed decision

making or control.

All devices that send or receive messages in a PakBus network must have a

unique PakBus Address. The CR800 default PakBus address is 1. In a

PakBus Network each datalogger must be set to a unique address before it is

installed in the network. To communicate with the CR800, the PC software

(e.g., LoggerNet) must know the CR800’s PakBus address.

OV2.6 Set up: Device Configuration Utility or Keyboard Display

When you receive a new CR800 from Campbell Scientific it should be set to

the default PakBus address, 1. If you only have one PakBus datalogger, or will

only communicate with the CR800 with a direct RS-232 or telephone modem

connection, there may be no need to change the address.

However, if a CR800 has been in use or someone has borrowed it, you may

need to check what the address is or to set it or some other setting. While there

are a number of ways to do this, the two most basic are to use the Device

Configuration Utility or the Keyboard display.

OV3. Device Configurator

The Device Configuration Utility (DevConfig) sets up dataloggers and

intelligent peripherals before those devices are deployed in the field and before

these devices are added to networks in Campbell Scientific datalogger support

software such as LoggerNet or PC400. Some key features of DevConfig

include:

• DevConfig only supports direct serial connections between the PC and

devices.

• DevConfig can send operating systems to supported device types.

• DevConfig can set datalogger clocks and send program files to

dataloggers.

• DevConfig allows you to determine operating system types and versions.

• DevConfig provides a reporting facility where a summary of the current

configuration of a device can be shown on the screen and printed. This

configuration can also be saved to a file and used to restore the settings in

the same or a replacement device.

• Some devices may not support the configuration protocol in DevConfig,

but do allow configurations to be edited through the terminal emulation

screen.

• Help for DevConfig is shown as prompts and explanations on its main

screen. Help for the appropriate settings for a particular device can also be

found in the user’s manual for that device.

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Campbell CR800 Specifikace Strana 18