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I.1 required settings, Using md485 multidrop modems with avw200, Appendix i – Campbell Scientific AVW200-series Vibrating Wire Interfaces User Manual

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Appendix I. Using MD485 Multidrop

Modems with AVW200 Interfaces

For situations where wireless communication is impractical, MD485 Multidrop

Modems may be used to extend the distance between the AVW200 interfaces.

This application is not compatible with SDI-12 communications.

I.1 Required Settings

DevConfig is used to configure the settings for the AVW200 interfaces and the

MD485 Multidrop modems. A unique address must be assigned to each

AVW200 in the network. This address may be entered in the

Deployment/Communications or the Setting Editor (refer to Section 5, Device

Configuration (DevConfig) Utility, for more information).

Each MD485 in the network must be configured with the following settings

(see also FIGURE I-1):

Active Ports: RS-232 and RS-485

Protocol Configuration: PakBus Networking

RS-232 Baud Rate: 38.4k

RS485 Baud Rate: 38.4k

FIGURE I-1. Deployment tab in DevConfig with proper

MD485 configuration.

I-1