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4 Modbus plugin

Overview

This section lists parameters supported in the Modbus Zabbix agent 2 plugin configuration file (modbus.conf). Note that:

  • The default values reflect process defaults, not the values in the shipped configuration files;
  • Zabbix supports configuration files only in UTF-8 encoding without BOM;
  • Comments starting with "#" are only supported at the beginning of the line.

Parameters

Parameter Mandatory Range Default Description
Plugins.Modbus.Sessions.<SessionName>.Endpoint no Endpoint is a connection string consisting of a protocol scheme, a host address and a port or seral port name and attributes.
<SessionName> - name of a session for using in item keys.
Plugins.Modbus.Sessions.<SessionName>.SlaveID no Slave ID of a named session.
<SessionName> - name of a session for using in item keys.
Example: Plugins.Modbus.Sessions.MB1.SlaveID=20
Note that this named session parameter is checked only if the value provided in the item key slave ID parameter is empty.
Plugins.Modbus.Sessions.<SessionName>.Timeout no Timeout of a named session.
<SessionName> - name of a session for using in item keys.
Example: Plugins.Modbus.Sessions.MB1.Timeout=2
Plugins.Modbus.Timeout no 1-30 global timeout Request execution timeout (how long to wait for a request to complete before shutting it down).

See also: