Difference between revisions of "MODBUS"
From DDUtilV3
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* Select one of multiple antennas using band data or macros. | * Select one of multiple antennas using band data or macros. | ||
* Monitor digital or analog lines for predefined changes and then operate on these changes. | * Monitor digital or analog lines for predefined changes and then operate on these changes. | ||
| − | + | ** Monitor a temp sensor and turn a cooling fan on/off. | |
| + | ** Monitor the '''PTT''' line and turn on a '''On-Air''' sign. | ||
| + | * Activate/control remote tuners | ||
==Setup== | ==Setup== | ||
Revision as of 13:23, 14 December 2014
MODBUS
Modbus is a serial communication protocol developed by Modicon published by Modicon® in 1979 for use with its programmable logic controllers (PLCs). In simple terms, it is a method used for transmitting information over serial lines between electronic devices. The device requesting the information is called the Modbus Master and the devices supplying information are Modbus Slaves. In a standard Modbus network, there is one Master and up to 247 Slaves, each with a unique Slave Address from 1 to 247. The Master can also write information to the Slaves. Read more about MODBUS here.
General
How is ModBus used with DDUtil? Just about any hardware can be controlled using ModBus here are a few examples.
- Generate TTL BCD band data to band switch amps, antenna switches, low-pass filters.
- Split a single key-line into multiple key-lines for transverters.
- Generate sequencing events for transverters.
- Select one of multiple antennas using band data or macros.
- Monitor digital or analog lines for predefined changes and then operate on these changes.
- Monitor a temp sensor and turn a cooling fan on/off.
- Monitor the PTT line and turn on a On-Air sign.
- Activate/control remote tuners
