Trina Trackers
Documentation for the Trina tracker Modbus plugin
Purpose
The purpose of this plugin is to collect data from Trina Solar trackers.
Usage
This plugin reads data from the Trina Solar tracker network. It collects from Network Control Units (NCUs) and Tracker Control Units (TCUs). It uses the Modbus specification, and collects data via TCP. It will be run every 5 minutes, by default. Sensor data will be collected to the tracker table. There are different configuration files reflecting the different number of TCUs in each NCU. The following configuration files available are for trackers with the following number of TCU units: 68, 77, 78, 84, 88, 92, 96, 102, 104, 113, 150. In order to find the total number of TCUs in an NCU, run the NCU configuration file called NCU_config.txt and look at the Total TCUs field. The data from this config file should also be collected as it contains wind speed and other sensor data.
The Trina Trackers will be interrogated for the following available data, for each tracker (TCU):
It will also collect general NCU data:
Arguments
Arguments are as follows:
endpoint. This is either a serial device like/dev/ttyS0or an IP or DNS like192.168.1.15Configuration File: This is a file that matches the TCUs in the NCU, for the Trina Tracker.--port. This is an optional parameter used in an Ethernet gateway, and is the TCP port used for the gateway. Default is502--attempts. This is an optional parameter, and determines how many times to times to attempt to read an inverter value. Default is1--delay. This is the delay in seconds between inverter send and receive commands, AND ifattempts> 1. Fractions like0.3can be used. Default is0.05
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