Proline Kryomats
YAUE0007 / 2/26/2009
Contents
5
Activating external control .............................................................................................................................46
Current consumption from the mains..............................................................................................................48
Setting the date and time (Command).............................................................................................................49
Display resolution setting (Command) ...........................................................................................................50
...................................................................................................................................................51
Defining the type of start mode .......................................................................................................................51
Defining temperature limits ............................................................................................................................52
Setpoint offset operating mode........................................................................................................................53
Restoring works settings .................................................................................................................................54
Setting the volume of the acoustic signals.......................................................................................................55
Entering the offset of the internal temperature probe.....................................................................................55
Restoring the works setting of the internal temperature-probe offset.............................................................56
Entering the offset of the external temperature probe ....................................................................................57
Restoring the works setting of the external temperature-probe offset ............................................................57
RAPHICAL DISPLAY OF TEMPERATURE MEASUREMENTS
)...................................................................58
Program example............................................................................................................................................60
Selecting and starting the program (Start, Hold, Stop) ..................................................................................62
Creating or modifying a program (Edit).........................................................................................................64
Defining the number of program loops (Loops) .............................................................................................68
Viewing the program sequence as a graph (Graph) .......................................................................................68
Obtaining information on a program (Info)....................................................................................................69
......................................................................................................................................................70
) ................................................................................................................................71
...........................................................................................................................................72
Internal control variable (integral measurement probe) ................................................................................73
Proven settings for control parameters and pump (integral measurement probe) ...................................73
External control variable (External measurement probe) ..............................................................................73
Steps for setting the control parameters for external control ..................................................................74
.........................................................................................................................75
Overtemperature protection and checking......................................................................................................75
Low-level alarm and low-level checking.........................................................................................................77
High-level settings ..........................................................................................................................................77
High-level warning or alarm ..........................................................................................................................78
Pump-motor supervision: Overload or blockage............................................................................................79
Pump-motor supervision: Dry running...........................................................................................................79
Compressor Overtemp ....................................................................................................................................80
Three-phase current........................................................................................................................................80
Fault list „Alarms and Warnings“..................................................................................................................81
.....................................................................................................................................84
Connecting cables and interface test RS 232 ..................................................................................................84
Protocol RS 232 ..............................................................................................................................................84
Connecting cable RS 485 ................................................................................................................................85
Protocol RS 485 ..............................................................................................................................................85
Write commands (Data commands to the thermostat) ....................................................................................86
Read commands (Data requested from the thermostat)..................................................................................87
Error messages ...............................................................................................................................................89
Driver software for LABVIEW®.....................................................................................................................89
INTERFACE MODULES............................................................................................................................................90
.......................................................................................................................................90
) ......................................................................................91
485 .............................................................................................................................92
................................................................................................................................................92
..................................................................................................................................................93
Contact module LRZ 915 with three inputs and three outputs........................................................................93
Namur-Contact module LRZ 914 with only one input and one output............................................................94