Protect PV.500-MH Operating Instructions
4 of 68 80000043212 BAL
5 System Function ............................................................. 26
5.1 Description of Sequence Control ....................................... 26
5.1.1 The "OFF" Status .............................................................. 26
5.1.2 The "Waiting for Feed Conditions" Status ......................... 26
5.1.3 The "Operation" Status ...................................................... 27
5.1.4 The "Waiting" Status.......................................................... 27
5.1.5 The "Fault" Status.............................................................. 28
5.1.6 The "Night" Status ............................................................. 28
5.1.7 Sequence Control During the Course of the Day .............. 28
5.1.8 Sequence Control Parameters .......................................... 30
5.2 Description of Fan Control ................................................. 31
5.2.1 General .............................................................................. 31
5.2.2 Fan Control, Cabinet Fan .................................................. 31
5.2.3 Cabinet Fan Control Parameters ....................................... 32
5.2.4 Fan Control, Inverter Stack Fan ........................................ 32
5.2.5 Parameters of Inverter Stack Fan Control ......................... 33
5.3 Insulation Monitoring and Earthing of PV Cells ................. 33
5.3.1 General .............................................................................. 33
5.3.2 Operation With Monocrystalline or Polycrystalline Solar
Cells 35
5.3.3 Operation with Thin-Film Solar Cells ................................. 35
5.3.4 Insulation Monitoring Parameters ...................................... 36
5.4 MPP Tracker ..................................................................... 36
6 Monitoring Systems, Messages and Faults .................. 37
6.1 General Information ........................................................... 37
6.2 Table of Faults ................................................................... 38
7 Interfaces ......................................................................... 42
7.1 Communication Interface .................................................. 42
7.1.1 General .............................................................................. 42
7.1.2 Technical Data .................................................................. 43
7.1.3 Structure of the MultiCom CCC Interface ......................... 44
7.1.4 Configuration ..................................................................... 47
7.1.4.1 Configuration Preparations ................................................ 48
7.1.4.2 Configuring the Modbus Protocol ...................................... 50
7.1.4.3 Configuring Modbus Data Transmission ........................... 51
7.2 COM Server ...................................................................... 52
7.2.1 General .............................................................................. 52
7.2.2 Network Connection .......................................................... 52
7.2.3 Structure of the COM Server (internally wired to A93) ...... 52
7.2.4 Installation of the COM Server .......................................... 53
7.2.5 Network Integration Configuration ..................................... 54
7.2.6 Configuration of the Virtual COM Port ............................... 54
7.3 Remote Signalling ............................................................. 55