8.8
Electronic Thermal Management ..................................................................................... 108
8.8.1
Activating the heat recovery for machine type 2 ................................................. 109
8.8.2
Activating the heat recovery for machine type 3 ................................................. 110
8.8.3
Deactivating heat recovery ................................................................................. 111
8.9
Refrigeration dryer ........................................................................................................... 112
8.9.1
Setting the operating mode ................................................................................. 112
8.9.2
Output messages ................................................................................................ 113
8.9.3
Refrigeration dryer alarm – Compressed air quality has priority ......................... 114
8.9.4
Refrigeration dryer alarm – Compressed air supply has priority ......................... 116
8.10 Setting the machine for local mode .................................................................................. 116
8.10.1 Menu Load control .............................................................................................. 116
8.10.2 Setting the nominal pressure change via timing program .................................. 117
8.10.3 Setting the nominal pressure change via timer ................................................... 120
8.11 Setting the machine for master control operation ............................................................ 122
8.11.1 Overview of the different master operating modes ............................................. 122
8.11.2 SAM 4.0 mode ................................................................................................... 122
8.11.3 Setting PROFIBUS operation (SIGMA AIR MANAGER) .................................... 125
8.11.4 Interconnection of two machines in master/slave operation ............................... 133
8.11.5 Configuring interconnected operation using the LOAD remote contact (e.g.
SIGMA AIR MANAGER BASIC)
3)
......................................................................
140
8.11.6 Setting the master control with local/LOAD remote contact
3)
............................ 142
8.11.7 Setting the nominal pressure pre-selection via remote contact ......................... 146
8.11.8 Master control for machines regulated by pressure switch ................................. 147
8.11.9 Examples of time settings for equal overall load ............................................... 152
8.12 Setting input and output signals ....................................................................................... 153
8.12.1 Output operational states of machine on digital outputs ..................................... 153
8.12.2 Output input signals on the display ..................................................................... 155
8.12.3 Output measured values on the display ............................................................. 159
8.12.4 Switching and/or triggering messages with thresholds ....................................... 165
8.13 Timer ................................................................................................................................ 169
8.14 Activating remote acknowledgement .............................................................................. 170
8.14.1 Setting the remote acknowledgement function ................................................... 171
8.14.2 Activating the remote control .............................................................................. 171
8.14.3 Assigning an input .............................................................................................. 172
8.15 Linking to an external pressure transducer ..................................................................... 173
8.15.1 Pressure control menu ........................................................................................ 173
8.15.2 Assigning an input to an external pressure transducer ...................................... 173
8.16 Commissioning the machine ........................................................................................... 174
9 Operation
9.1
Switching the machine on and off .................................................................................... 176
9.1.1
Switching on ....................................................................................................... 176
9.1.2
Switching off ....................................................................................................... 177
9.2
Switching off in an emergency ......................................................................................... 177
9.3
Acknowledging alarm and warning messages ................................................................. 178
9.4
Displaying messages ...................................................................................................... 179
9.4.1
Status – Messages menu ................................................................................... 180
9.5
Displaying the current operating mode ............................................................................ 182
9.6
Setting the working pressure ............................................................................................ 183
9.7
Displaying analogue data ................................................................................................ 183
9.8
Displaying operating data ................................................................................................. 184
9.8.1
Checking the operating hours ............................................................................. 184
9.8.2
Checking the switching cycles ............................................................................ 185
9.9
Displaying the frequency converter settings .................................................................... 186
9.10 Setting the maintenance interval ...................................................................................... 187
Contents
No.: 9_9450 12 E
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.0.X
iii