VAT 642 Series User Manual

Series
642
4/119 Edition 2017-11-24 742280ED
4.8 RS232 interface commands .......................................................................................... 56
4.8.1 RS232 command syntax ................................................................................. 56
4.8.2 Control commands .......................................................................................... 56
4.8.3 Inquiry commands ........................................................................................... 57
4.8.4 Setup commands ............................................................................................ 65
4.8.5 Pressure control algorithem ............................................................................ 75
4.8.6 Error messages ............................................................................................... 80
5 Operation ........................................................................................... 81
5.1 Normal operation ........................................................................................................... 82
5.1.1 Individual valve control .................................................................................... 82
5.1.2 Individual valve status ..................................................................................... 83
5.1.3 Freeze mode ................................................................................................... 83
5.1.4 Position offset .................................................................................................. 83
5.1.5 Local operation ................................................................................................ 84
5.1.6 Remote operation ............................................................................................ 85
5.1.7 Close valve ...................................................................................................... 86
5.1.8 Open valve ...................................................................................................... 86
5.1.9 Position control ................................................................................................ 86
5.1.10 Pressure control .............................................................................................. 86
5.2 Display information ........................................................................................................ 88
5.2.1 Power up ......................................................................................................... 88
5.2.2 Operation ........................................................................................................ 89
5.2.3 Fatal error ........................................................................................................ 89
5.2.4 Safety mode .................................................................................................... 90
5.2.5 Service indication ............................................................................................ 90
5.3 Operation during power up ............................................................................................ 90
5.4 Operation under increased temperature ........................................................................ 91
6 Trouble shooting .............................................................................. 92
7 Maintenance ...................................................................................... 95
7.1 Maintenance intervals .................................................................................................... 95
7.2 Maintenance procedures ............................................................................................... 96
7.2.1 Replacement of gate seals and valve cleaning ............................................... 97
7.2.2 Replacement of Option board ....................................................................... 102
7.2.3 Retrofit / replacement procedure ................................................................... 104
8 Repairs ............................................................................................ 107
9 Dismounting and Storage .............................................................. 108
9.1 Dismounting ................................................................................................................. 108
9.2 Storage ........................................................................................................................ 109
10 Packaging and Transport ............................................................... 110
10.1 Packaging .................................................................................................................... 110
10.2 Transport ..................................................................................................................... 111
11 Disposal ........................................................................................... 112
12 Spare parts ...................................................................................... 113
12.1 Drawing ....................................................................................................................... 114
12.1.1 Valve unit with seals and grease ................................................................... 115
12.1.2 Controller ....................................................................................................... 116
12.1.3 Accessories ................................................................................................... 116
13 Appendix ......................................................................................... 118

VAT 642 Series Specifications

General

Brand	VAT
Model	642 Series
Category	Control Unit
Language	English