eWON General Reference Guide - Esco Drives & Automation

General Reference GuideeWON Configuration3.3.2.7 SNMP Setup3.3.2.8 CommunitiesFigure 19: eWON SNMP setup main menu pageThe communities are defined here. These are acting like a "login-password" feature. Please refer to the SNMP standard for detailed explanations.Up to five different communities can be set up in the eWON. Each community has different read and write attributes. In the eWON, each of themcan be specified for read and/or write rights. The standard public community is defined as read-only.3.3.2.9 HostsThe hosts that can access the communities and/or receive the generated SNMP traps have to be specified. If the checkbox Accept SNMP fromany host is selected, any IP address will be granted to browse the SNMP tree of the eWON.The traps are always sent to know IP addresses defined in the following fields. Each host is determined by its IP address and by the communityhe is working on. For each host, the user can specify whether he can receive traps and/or browse the SNMP tree.A MIB file describing the SNMP structure and OID of the eWON is available on our web site.Traps can originate from three different events:System trapsAt cold boot and at soft reboot, the eWON sends system traps with identification 0and 3 respectively.Basic scripting traps The sendtrap Basic function can send a trap at user request.Alarm event traps The eWON automatically sends a trap on alarm, containing alarm information.Table 11: events that generate a SNMP trapThe parameters for Basic traps are as follows:Param 0 Text string [0...255]Param 1Integer 32bitsTable 12: Basic SNMP traps parametersRG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 21