eWON General Reference Guide - Esco Drives & Automation

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General Reference GuideIO Servers ConfigurationStatus, Global Device Address• You can define a status Tag for each PLC used.• If you use the status address, the Tag must be configured as analog.0Communication not initialized. Status UNKNOWN.If no Tag is polled on that device address, the communication status is unknown.1 Communication OK.2 Communication NOT OK.Table 126: Tag Status meaningRG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 143
General Reference GuideIO Servers Configuration5.16 SNMP IO Server5.16.1 IntroductionThe SNMP IO server (Simple Network Management Protocol) is used to communicate with any SNMPv1 device on the network. It allows bothread and write operations on 32-bit objects. It supports access to several different devices at the same time.Only the following Object types are supported: INTEGER, 32bits COUNTER, GAUGE, UNSIGNED, TIMETICK.There is no handling of MIB files.SNMP IOServer is available in eWON with Firmware 5.6s2 and above.5.16.2 SetupFigure 108: SNMP IOServer: setupThree (3) topics can be used for the IO Server. These topics are used to give a common property to a group of SNMP Tags like:• Enable/Disable• Global Device Address• Polling RateTopic configuration itemTopic enabledGlobal Device AddressDescriptionEnables or disables polling of all the Tags in the topic.Select the target SNMP Server device.Syntax:• IP_Addr,Read_Community,Write_communityIP_Addr: IP address of the SNMP ServerRead_Community: Community used for ReadingWrite_Community: Community used for Writing• IP_Addr,CommunityIP_Addr: IP address of the SNMP ServerCommunity: Community used for Reading and WritingIf an address is specified here, it will replace (overload) the address-defined Tagby Tag.Poll rateDefines the refresh rate of the Tag name. In a complex application, we canimagine that some Tag names must be refreshed every second - typically fordigital input - and other every minute - typically: temperature-.Table 127: SNMP IOServer: Topic configuration item definitionRG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 144
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