Series 2000 Communications Handbook

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DevicenetSeries 2000 Communications Handbook6. CHAPTER 6 DEVICENET6.1 INTRODUCTIONModels 2216e, 2208e and 2204e controllers may be fitted with DeviceNet communicationsoption. This is specified by the ordering code ‘2DN’ in the communications option field.This option can be field retrofitted to 2200e instruments which have software version V3.02or greater. For retrofit, use part number: SUB2K/2DN//.For full information on the DeviceNet communications protocol you should refer to theDeviceNet specification which may be found at web site www.odva.org.For details about wiring and configuration of 2200e series controllers please refer to therelevant controller handbook. These are 2216e, part number HA026639 issue 2, and2208e/2204e, part number HA026696 issue 2.This addendum gives the parameter address maps these controllers6.2 2200E DEVICENET FEATURESThe DeviceNet implementation features in the Series 2200e include:• Software selectable 125K, 250K, 500K baud rates• Software selectable node address• Optically isolated CAN interface• 5-position open style connector• Field pluggable option• Group 2 only device• Polled & Explicit I/O messaging connection• Static I/O Assembly object6-2 Series 2000 Communications Handbook Part No HA026230 Issue 2.0 Feb-00
Series 2000 Communications HandbookDevicenet6.3 THE EDS FILEThe EDS (Electronic Data Sheet) file for the Series 2200e is named 2K2DN.EDS and isavailable from your supplier, or electronically by going to Web site (www.eurotherm.com).The EDS file is designed to automate the DeviceNet network configuration process byprecisely defining vendor-specific and required device parameter information. Following adata sheet metaphor, the EDS file describes a device’s configurable parameters, including itslegal and default values and the public interfaces to those parameters. Software configurationtools utilise the EDS files to configure a DeviceNet network.6.3.1 Polled I/O MessageInput Words Parameter Logical Segment Address1 Measured Value (PV) 20 04 24 01 30 032 Target Setpoint (TS)3 Output Power (OP)4 Summary Output StatusOutput Words Parameter Logical Segment Address1 Setting 20 04 24 01 30 032 AddressTable 6-1: Polled I/O MessagesUsing the Explicit messaging, all controller parameters are accessible using logical segmentaddressing. The Class is always 100 (64 hex), the Instance is always 1 (01hex) and theAttribute values are determined by referencing the parameter tables in the Parameter Mapsection of this addendum. Examples are shown in Table 6-1 for a selection of parameters.Note that the value that changes is the last byte only.Logical segment addresses are encoded to select a particular (Object) Class, Instance, andAttribute ID within an automation device. The Series 2200e supports 8 bit Class and Instanceaddressing. From tables 6-1 and 6-2 in the Logical Segment Address column, the values 20,24, and 30 represent type and format encoding for the Class, Instance, and Attributerespectively. Therefore, from table 6-1, the 04, 01, and 03 define the actual values of theclass, instance, and attribute - respectively - of the Polled I/O message address.Series 2000 Communications Handbook Part No HA026230 Issue 2.0 Feb-00 6-3
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