VAT 642 Series Installation And Operating Instructions

Series
642
4/107 Edition 2017-11-24 813316EB
4.8.1 CC-Link Handshaking ..................................................................................... 60
4.8.2 Location of the handshaking bits ..................................................................... 61
4.8.3 Example of the handshaking by a PLC-program ............................................. 62
4.9 CC-Link interface (Process data – cyclic communication) ............................................. 63
4.9.1 OUTPUT Buffer (Master PLC) ......................................................................... 63
4.9.2 INPUT Buffer (Master PLC) ............................................................................. 66
4.9.3 Communication and timing between Master (PLC) and Slave (VAT-Valve) .... 70
5 Operation ........................................................................................... 71
5.1 Normal operation ........................................................................................................... 71
5.1.1 Local operation ................................................................................................ 72
5.1.2 Remote operation ............................................................................................ 73
5.2 Close valve .................................................................................................................... 74
5.3 Open valve..................................................................................................................... 74
5.4 Position control .............................................................................................................. 74
5.5 Pressure control ............................................................................................................. 75
5.5.1 Pressure control operation with 2 sensors ...................................................... 76
5.6 Display information ........................................................................................................ 77
5.6.1 Power up ......................................................................................................... 77
5.6.2 Operation ........................................................................................................ 78
5.6.3 Fatal error ........................................................................................................ 78
5.6.4 CC-Link LEDs.................................................................................................. 78
5.6.5 Safety mode .................................................................................................... 79
5.6.6 Service indication ............................................................................................ 79
5.7 Operation during power up ............................................................................................ 80
5.8 Behavior in case of power failure ................................................................................... 80
5.9 Operation under increased temperature ........................................................................ 80
6 Trouble shooting .............................................................................. 81
6.1 Additional CC-Link warning ........................................................................................... 83
7 Maintenance ...................................................................................... 84
7.1 Maintenance intervals .................................................................................................... 84
7.2 Maintenance procedures ............................................................................................... 85
7.2.1 Replacement of gate seals and valve cleaning ............................................... 86
7.2.2 Replacement of Option board ......................................................................... 91
7.2.3 Retrofit / replacement procedure ..................................................................... 93
8 Repairs .............................................................................................. 96
9 Dismounting and Storage ................................................................ 97
9.1 Dismounting ................................................................................................................... 97
9.2 Storage .......................................................................................................................... 98
10 Packaging and Transport ................................................................. 99
10.1 Packaging ...................................................................................................................... 99
10.2 Transport ..................................................................................................................... 100
11 Disposal ........................................................................................... 101
12 Spare parts ...................................................................................... 102
12.1 Drawing ....................................................................................................................... 103
12.1.1 Valve unit with seals and grease ................................................................... 104
12.1.2 Controller ....................................................................................................... 104
12.1.3 Accessories ................................................................................................... 105
13 Appendix ......................................................................................... 106

VAT 642 Series Specifications

General

Brand	VAT
Model	642 Series
Category	Control Unit
Language	English