2-30 B30 BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUALSPECIFICATIONS CHAPTER 2: PRODUCT DESCRIPTION2DCMA OUTPUTSRange: –1 to 1 mA, 0 to 1 mA, 4 to 20 mAMax. load resistance: 12 kΩ for –1 to 1 mA range12 kΩ for 0 to 1 mA range600 Ω for 4 to 20 mA rangeAccuracy: ±0.75% of full-scale for 0 to 1 mA range±0.5% of full-scale for –1 to 1 mA range±0.75% of full-scale for 0 to 20 mA range99% Settling time to a step change: 100 msIsolation: 1.5 kVDriving signal: any FlexAnalog quantityUpper and lower limit for the driving signal: –90 to 90 pu in steps of 0.0012.5.8 Communication protocolsIEC 61850IEC 61850: Supports IEC 61850 Edition 2.0. See the UR Family Communications Guide and its conformancestatements.RS232 (Enhanced and standard front panels)Front port: 19.2 kbps, Modbus RTUUSB (Graphical front panel)Front port: USB 2.0 type BRS4851 rear port: up to 115 kbps, Modbus RTU, DNP 3, IEC 60870-5-103Typical distance: 1200 mIsolation: 2 kV, isolated together at 36 VpkFIBER ETHERNET PORTETHERNET (10/100 MB TWISTED PAIR)Modes: 10 Mb, 10/100 Mb (auto-detect)Connector: RJ45SIMPLE NETWORK TIME PROTOCOL (SNTP)Clock synchronization error: <10 ms (typical)PRECISION TIME PROTOCOL (PTP)PTP IEEE Std 1588 2008 (version 2)Power Profile (PP) per IEEE Standard PC37.238TM2011Slave-only ordinary clockPeer delay measurement mechanismParameter Fiber type100 Mb multimodeWavelength 1310 nmConnector LCTransmit power –20 dBmReceiver sensitivity –30 dBmPower budget 10 dBMaximum input power –14 dBmTypical distance 2 kmFull duplex yesRedundancy yes
