eWON General Reference Guide - Esco Drives & Automation

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General Reference GuideIO Servers ConfigurationSupported memory areas:XACCIODEHTWMemory areaAuxiliary areaCounter areaCore I/O areaData Memory areaExtended Data Memory areaHolding areaTimer AreaWork AreaTable 82: FINS IO server supported memory areas tableModifier:Symbol Modifier value rangeW Word 0 .. 65535S signed Word -32768 .. 32767D DWord 0 .. 4294967296 (*)L signed DWord -2147483648 .. 2147483647 (*)F Float +/- 3.4e38Table 83: FINS Modifiers(*) Important: See “Tags are stored as Float” on page 67examples:addressA5AS5point tothe Word at address 5 in the Auxiliary Area (equivalent to AW5)the Signed Word at address 5 in the Auxiliary AreaA2#5 the bit 5 from the Word at address 2 in the Auxiliary AreaE0:S3 the signed Word at address 3 from the Extended Data Memory 0Table 84: FINS address examples• Status register:The STATUS Tag is a special Tag that returns information about the current state of communication for a given device. As for the other Tags, thestatus Tag ValueName is composed of:Status, 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 85: Tag Status meaning5.7.3.2 Global Device AddressThe global device address is used in the topic definition or in the Tag definition. If it is used in the Tag definition, it will be separated from the valuename by a coma.RG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 109
General Reference GuideIO Servers Configuration5.8 S5-AS511 IO Server5.8.1 IntroductionThis IO server is intended for use with Siemens S5 PLCs communicating via the front programming port using AS511 protocol.The AS511 protocol is specific for each Siemens device. This IO Server has been designed to operate with a set range for Siemens equipment.Use of the IO Server on devices other than those listed is not recommended and not supported.The Siemens S5 PLC family has a unique memory structure. Data within the PLC are not located at fixed locations within the PLC's memoryspace. This memory space is continuously updated and revised as you create and modify your PLC logic. When these revisions occur, thelocation of key data elements such as flags, timers, counters, I/O and data blocks can move around in the PLC's memory. The Siemens S5 IOServer has been designed to read the location of these memory elements when the driver first begins operation upon detecting a communicationerror or after a request (which is not a read or a write request) has been transmitted to the PLC. If you change your PLC configuration you mustrestart the Siemens S5 IO Server or simply unplug/re-plug the connection cable. Both actions will cause the Siemens S5 IO Server to reacquirethe location of all PLC memory elements.5.8.2 Setup5.8.3 Communication setupFigure 86: S5-AS511 IO server setup windowThe AS511 link uses a RS-232 Current Loop functioning mode.A specific cable (with electronic) is therefore required (Siemens S5 Cable : ACT’L ref EW40910)The communication parameters are fixed to the following values:• 9600 Baud (Fixed)• Even Parity (Fixed)• 8 Data Bits (Fixed)• 1 Stop Bit (Fixed)• Full duplex no handshaking (Fixed)5.8.3.1 Supported Devices• Siemens S5 - 90U• Siemens S5 - 95U• Siemens S5 - 100U - 100• Siemens S5 - 100U - 101• Siemens S5 - 100U - 103• Siemens S5 - 101U• Siemens S5 - 115U - 941• Siemens S5 - 115U - 942• Siemens S5 - 115U - 943• Siemens S5 - 115U - 944• Siemens S5 - 115U - 945Table 86: Siemens S5 devices supported by the eWON AS-511 IO serverRG-001-0-EN ver 1.5 eWON® - 20/03/2009 - ©ACT'L sa Page 110
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