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5.4. Software SettingsDigital CommunicationThe parameter settings are available using either the User communication or the Configurator communication.Parameter list and digital communication strategy is defined as follow :The following parameters are at fixed addresses, which enables ModBus Master (iTools, PFP/MOP bridges)to have the information of the slave.Abreviation Parameter Address Status FormatDEC. HEX.MI Manufacturer Identifier 65280 FF00 R 32 bytesCW Command Word 65488 FFD0 R/W 2 bytesGSW1 General Status Word 1 65504 FFE0 R 2 bytesGSW2 General Status Word 2 65505 FFE1 R 2 bytesSN Serial Number 65520 FFF0 R 4 bytesVD Version D 65522 FFF2 R 2 bytes.VP Version P 65526 FFF6 R 2 bytesDI Device Identifier 65528 FFF8 R 2 bytesMF Modbus Function 65529 FFF9 R 2 bytesCTO Comm Time Out 65531 FFFB R/W 2 bytesSTO Time Out Setpoint 65532 FFFC R/W 1000DESCRIPTION OF PARAMETERSManufacturer Identifier (MI) :This parameter returns ‘EUROTHERM Automation’ as an ASCII character string(32 consecutive bytes read, starting at address 65280)Command Word (CW) :This parameter is used to modify the operation of the digital communicationCodes and associated functions are given in the following table :Code SentFunction0 Firing Inhibition1 Firing Enabled2 N/A3 N/A4 N/A5 Transfer fast setpoint to active setpoint6 Alarm Acknowledge7 PLF rating and validation setting requirement8 to 15 Not used16 Open Loop : OL17 V 2 Control18 I 2 Control19 V x I Control20 Vrms control21 Irms Control22 to 31 Reserved100 ModBus communication requirement (only via configurator)101 ProfiBus communication requirement (only via configurator)102 DeviceNet communication requirement (only via configurator)Note : If the same value is sent twice, the second time, the value is not taken into account by thedevice. To sned twice the same value, an unused value must be sent between the two identic values.Q7000 user Manual5-6
Digital CommunicationGeneral Status Word (GSW 1 and GSW 2) :These parameters indicate the status of the main alarms and the status of monitoring during the timebetween communication frames.The byte containing 0 to 7 may be read by Modbus function 7 (Quick Read)GSW 1 Bit Number State DescriptionGSW 2Bit 0 to bit 3 :0 1 GRF Alarm Active : TLF1 1 GRF Alarm Active : CCTH2 1 Rack PLF failure3 1 Supply failure on one of the power slots of the rack4 1 Power inhibition5 1 Over temperature Alarm Active6 1 Fan pressure failure7 1 Parameter Write. Reserved for configurator8 1 Communication failure on at least one slot9 1 Communication failure on slot 110 1 Communication failure on slot 211 1 Communication failure on slot 312 1 Communication failure on slot 413 1 Abnormal temperature rising14 to 15 Not usedBit 3 Bit 2 Bit 1 Bit 0 Control0 0 0 0 OL0 0 0 1 V20 0 1 0 I20 0 1 1 V x I0 1 0 0 V0 1 0 1 IBit Number StateDescription4 1 Time out exceeded.Bit is put low when GSW is read5 1 Power supply failure on slot 16 1 Power supply failure on slot 27 1 Power supply failure on slot 38 1 Power supply failure on slot 49 1 Load Power firing inhibited by communication10 1 Load Power Firing inhibited by user : ‘Enable input’11 1 Slot 1 present12 1 Slot 2 present13 1 Slot 3 present14 1 Slot 4 present15 1 FAN- Digital Input activeSerial Number (SN) :Each power units has a unique serial number at the address 65520 (coded in 4 bytes).Control board version number (VD) & Power board version number (VP)Device Identifier (DI) :Enables the configurator to automaticaly determine the device with which its communicating.The value sent is : 200 (HEX.) for the Q7000.It is a factory-configured value, stored into permanent memeoryModbus functions supported (MF) :Returns the value 186 (decimal) at the address 65529 which means that the option supports the functions3,6,7,8 and 16.Setpoint transfer and R/W Data settings are available.Communication Time-Out (CTO) :Sets the time (in seconds) for which the interface listens between two validated communication framessent to the power unit. If the parameter is set to 0 monitoring is disabled. The time-out is disabled bydefault (CTO = 0).The authorised values are between 1 and 65535 s and are stored in permanent memory.If the time-out is exceeded, the interface behaves as follows :Network Led off. The value in the ‘Setpoint after time-out’ parameter is transfered to the active setpointif its value is higher. Bit 8 of the General Status Word is set to 1 and will be set to 0 when next read.Setpoint after time-out (STO) :Used to set the setpoint used if the time-out is exceeded. STO ≤ SL (Setpoint Local)Authorised values are between 0 and 1000, stored in permanent memeory.Q7000 user Manual5-7
Page 1 and 2: MultichannelThyristor Power UnitENG
Page 3 and 4: European Directives ans applicable
Page 5 and 6: 1.1. DRIVER CARD DESCRIPTIONIdentif
Page 7 and 8: Identification1.3. TECHNICAL SPECIF
Page 9 and 10: Identification1.4.4. Alarm RelaysTw
Page 11 and 12: InstallationCHAPTER 22. INSTALLATIO
Page 13 and 14: Installation2.2. WIRING DRIVER CONN
Page 15 and 16: Firing ModesCHAPTER 33. FIRING MODE
Page 17 and 18: Firing Modes3.3. INTELLIGENT HALF-C
Page 19 and 20: 4. ALARMSAlarms4.1. SAFETY MECHANIS
Page 21 and 22: Digital CommunicationCHAPITRE 55. D
Page 23 and 24: 5.3. PROFIBUS-DP ProtocolDigital Co
Page 25: 5.3. DIGITAL COMMUNICATION LEDsDigi
Page 29 and 30: Digital CommunicationChannel Status
Page 31 and 32: 6. COMMISSIONING AND MAINTENANCEMai
Page 33: EUROTHERM WORLDWIDE SALES AND SERVI

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