FCU 2165/2175 Reference Manual - Emerson Process Management

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Rosemount Tank Radar REXReference Manual308018EN, Edition 3BSeptember 20071.2.1 PortsFigure 1-2. Electrical CircuitBoard Layout.P1RP 3500PowerLK 8P2LK 7 LK 1JTAGIC 22IC 21IC 24IC 23LK 3LK 4IC 12 IC 11LK 6IC 10 IC 9 IC 8 IC 7 IC 6 IC 5IC 3 IC 2LK 10LK 2LK 5IC 4ResetEthernet SER 2 SER 3 SER 4 SER 5 SER 6 SER 7 SER 8 SER 9 SER 10 SER 11 SER 12Table 1-2. Communication portsPort Connection Electrical Interface Baud Rate & Communication SettingsEthernet RJ 45 Ethernet Application dependentSER 2 RJ 12 RS 232 as default (1) Must be the same as for SER 6.SER 3 RJ 12 RS 232 as default (1) Application dependentSER 4, Engineering port RJ 12 RS 232 as default (1) Application dependentSER 5 RJ 12 RS 232 only Application dependentSER 6 RJ 12 RS 232 only Must be the same as for SER 2.SER 7 RJ 12 RS 232 as default (1) Must be the same as for SER 11.SER 8 RJ 12 RS 232 as default (1) Must be the same as for SER 12.SER 9 RJ 12 RS 232 as default (1) Application dependentSER 10 RJ 12 RS 232 as default (1) Application dependentSER 11 RJ 12 RS 232 only Must be the same as for SER 7.SER 12 RJ 12 RS 232 only Must be the same as for SER 8.(1) Can also be configured as RS 422, RS 485 or other electrical interface using the correspondingelectrical interface driver module.The FCU 2165 has 10 serial connections (SER 2-3, 5-12) of which 4 arereserved for RS 232, see Table 1-2.SER 4 is dedicated as the engineering port. It is normally set to 9600 baud, noparity, 8 data bits and 1 stop bit. It is used by the operating system of the FCU2165 to send bootstrap messages at power on or after reset and it alsoprovides local logon capability using a PC with a terminal emulation softwarepackage such as Hyper Terminal in MS Windows. See “Changing IP Address/ FCU Name” on page 2-40.The Ethernet port is used for configuration of the FCU via a PC withConfiguration Tools software (see pages 2-2 and 2-10)1-4 Section 1. Description of FCU 2165/2175
Reference Manual308018EN, Edition 3BSeptember 2007Rosemount Tank Radar REXIt is recommended to use SER 2 and 3 for tank gauging hosts.The RS 422 interface is four-wire, the RS 485 is half duplex two-wire.The FCU 2165 is designed to be powered from an 85 VAC to 265 VAC,50/60 Hz power source.1.3 FCU 2175 The FCU 2175 is supplied in a 19” rack mounting enclosure.Data communication can be verified by the activity indicated on the LEDs ofeach field communication port. There are two LEDs, one designated TransmitData (Tx), the other Receive Data (Rx). See Figure 1-10 on page 1-10.The FCU 2175 is modular in architecture providing a scalable solution to meetthe current and future needs of any application. It can have 8, 16, 24 or 32serial interfaces configured from a range of different electrical interfaces.The FCU 2175 generally comprises the following modules:• Processor Module (includes battery backed memory. The operation ofthe FCU is controlled by the configuration information in this SRAM).• Serial I/O Expansion Module (only for systems requiring more than 16serial channels)• Field Interface Carrier Module(s)• Field Interface Modules• Field Isolation ModulesFigure 1-3. FCU 2175 Interior.FieldInterfaceModules(max 32)FieldIsolationModules(max 32)Field InterfaceCarrier Modules(max 32)Power SupplyCooling FanEngineeringPortEthernet PortI/O ModulesSerial I/OExpansionModule (with 4I/O Modules)Processor Module (incl.microprocessor, Engineering andEthernet ports, 1 or 2 I/O modules)Section 1. Description of FCU 2165/21751-5
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FCU 2165/2175 Reference Manual - Emerson Process Management

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