VAT 612 Series - Page 4

Series
612
4/116 Edition 2018-08-20 605262EE
4.7.3 Tuning of control performance with soft pump pressure controller .................. 60
4.8 EtherCAT interface (General) ........................................................................................ 63
4.9 EtherCAT interface (Process data – cyclic communication) .......................................... 63
4.9.1 OUTPUT Buffer (Master PLC) ......................................................................... 63
4.9.2 INPUT Buffer (Master PLC) ............................................................................. 66
4.10 EtherCAT interface (Parameter data – acyclic communication) .................................... 71
4.10.1 EtherCAT Object dictionary ............................................................................. 71
4.10.2 Communication and timing between Master (PLC) and Slave (VAT-Valve) .... 77
5 Operation ........................................................................................... 78
5.1 Normal operation ........................................................................................................... 78
5.1.1 Local operation ................................................................................................ 78
5.1.2 Remote operation ............................................................................................ 79
5.2 Close valve .................................................................................................................... 80
5.3 Open valve..................................................................................................................... 80
5.4 Position control .............................................................................................................. 80
5.5 Pressure control ............................................................................................................. 81
5.5.1 Pressure control operation with 2 sensors ...................................................... 82
5.6 Display information ........................................................................................................ 83
5.6.1 Power up ......................................................................................................... 83
5.6.2 Operation ........................................................................................................ 84
5.6.3 Fatal error ........................................................................................................ 84
5.6.4 EtherCAT LEDs ............................................................................................... 84
5.6.5 Safety mode .................................................................................................... 86
5.6.6 Service indication ............................................................................................ 86
5.7 Operation during power up ............................................................................................ 86
5.8 Behavior in case of power failure ................................................................................... 86
5.9 Operation under increased temperature ........................................................................ 87
6 Trouble shooting .............................................................................. 88
6.1 Additional EtherCAT warning ......................................................................................... 91
7 Maintenance ...................................................................................... 92
7.1 Maintenance intervals .................................................................................................... 92
7.2 Maintenance procedures ............................................................................................... 93
7.2.1 Replacement of shaft feedthrough seals and valve cleaning .......................... 94
7.2.2 Replacement of Option board ......................................................................... 98
7.2.3 Retrofit / replacement procedure ................................................................... 100
8 Repairs ............................................................................................ 104
9 Dismounting and Storage .............................................................. 105
9.1 Dismounting ................................................................................................................. 105
9.2 Storage ........................................................................................................................ 106
10 Packaging and Transport ............................................................... 107
10.1 Packaging .................................................................................................................... 107
10.2 Transport ..................................................................................................................... 108
11 Disposal ........................................................................................... 109
12 Spare parts ...................................................................................... 110
12.1 Drawing ....................................................................................................................... 111
Sample picture ........................................................................................................................ 111
12.1.1 ISO-KF valve unit - aluminum blank, without heating .................................... 112
12.1.2 ISO-KF valve unit – stainless steel, without heating ...................................... 112
12.1.3 Seals and grease .......................................................................................... 113