eWON General Reference Guide - Esco Drives & Automation

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General Reference GuideIO Servers ConfigurationeWON4002eWON4102DI1... DI8CI1... CI8LI1... LI8DI9CI9LI9DO1... DO2DO3BI1Status of input 1 to 8 on connector DI1-DI8 (top side)Counter on input 1 to 8 on connector DI1-DI8 (top side)Latched counter on input 1 to 8 on connector DI1-DI8 (top side)Status of input 9 on connector Input/output (bottom side)Counter on input 9 on connector Input/output (bottom side)Latched counter on input 9 on connector Input/output (bottom)Digital command of relay 1 and 2 on relay connector (bottom side)Digital command of output 1 on connector Input/output (bottom)Status of button (reset) on the front faceAI1... AI4 Value of analog input 1 to 4AI5... AI6Value of analog input 5 to 6 (PT100 probes)Table 96: Available Items for eWON product type5.10.2.2 Energy configuration with the LIx TagsThe following parameters can be added to the eWON IO server in order to activate the energy support (enter Energy:1, validate and the otherparameters will be automatically added):ParameterDefaultValueEnergy 0 or 1 Enabled or notOnce Energy is defined, the eWON will automatically add the other parameters withdefault value.When 0, no energy computation at all are performed, saving eWON CPU resources.Debug 0 or 1Not automaticalyaddedWhen :1 all synchonisations are logged in the Real time event log.RefTimeThis is the reference time to compute interval. Letting this empty will start at 1/1/1970 00:00. You may entera date with hour in the form 08/07/2002 11:15:00 to set a new reference (usually not required).IntTime 15 This is the integration time in MINUTES.IntTolS 5SyncIO 5SyncTolS 5This is a tolerance on the integration time in SECONDS. If the measurment interval is shorter or longer thanthis number of seconds, the period is considered as valid. For example IntTime=15 IntTolS =5 means"interval is valid if between 11.14:55 and 11.15:05".This is the IO number for clock synchronization. 0 means no synchro available, 1..8 is the IO number.Synchonisation is based on the counter input associated with the digital input, each time the IO changes theeWON will try to perform a synchronization (see also SyncTolS)This is the tolerance for accepting the synchronization pulse in SECONDS.If the synchronization pulse arrives outside the interval, the pulse is rejected. ERROR REPORT: the firsttime the pulse is rejected, an error is logged in the event log. Next errors are not logged (except in Real timelog if Debug is enabled); When sync are accepted again, a trace is logged in the event file for the firstaccepted synchonization.REM: Because the internal clock has a precision of 1 second, the time is only updated if the absolute valueof the offset is greater than 1 (2 or more). Otherwise the offset jitters between -1 and +1 all the time.Figure 90: Energy IO server parametersRG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 119
General Reference GuideIO Servers ConfigurationFigure 91: eWON IO server default parameters5.10.2.2.1 ENERGY TAGSThe following tags are available for energy management:LI1..LI8ST1..ST4Latched inputWhen the Integration Period expires, the number of pulses counted during the integrationperiod are logged in the corresponding LIx.Status variables:ST1Latch time - 0x30000000ST2Period statusThis is the absolute time when counter were latched.Expressed in seconds since 1/1/1970 minus 0x30000000 HEX (or 805306368 decimal).This huge value is substracted to maintain precision in the Float storage. (*)0 means period is valid (within tolerance), 1 means period is invalid.ST3Period length secLength of the period in second.ST4Period NumThis 32 bit counter counts is increased by 1 after each integration period. It can be used withONCHANGE to perform operations when period expires.REM1: Energy tags are logged after each new period IF Logging is enabled, even if the value has not changed since previous period.REM2: Even if Deadband is -1 and Interval is 0. If not, you will have additional points and even maybe duplicate points.(*) Important: See “Tags are stored as Float” on page 675.10.2.2.2 32 BIT COUNTER TAGS:The eWON IO Server provides now 8 32 bits (*) counter tags named: CI1..CI8. These counters are writable but writing in these registers affectsthe LIx inputs of the Energy IO server module.(*) Important: See “Tags are stored as Float” on page 67RG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 120
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