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Proline Low-temperature Thermostats
7.6.12
Submenu
7.7
7.7.1
Temperature setpoint setting...........................................................................................................................52
7.7.2
Displaying the actual external temperature....................................................................................................54
7.7.3
Setting pump power or standby.......................................................................................................................55
7.7.4
Activating external control .............................................................................................................................56
7.7.5
Current consumption from the mains..............................................................................................................57
7.7.6
Setting the date and time (Command).............................................................................................................59
7.7.7
Display resolution setting (Command) ...........................................................................................................59
7.8
7.8.1
Setpoint resolution ..........................................................................................................................................60
7.8.2
Defining the type of start mode .......................................................................................................................60
7.8.3
Defining temperature limits ............................................................................................................................62
7.8.4
Setpoint offset operating mode........................................................................................................................63
7.8.5
Restoring works settings .................................................................................................................................65
7.8.6
Setting the volume of the acoustic signals.......................................................................................................67
7.8.7
Entering the offset of the internal temperature probe.....................................................................................68
7.8.8
Restoring the works setting of the internal temperature-probe offset.............................................................69
7.8.9
Entering the offset of the external temperature probe ....................................................................................70
7.8.10
Restoring the works setting of the external temperature-probe offset ............................................................71
7.9
7.10
7.10.1
Program example............................................................................................................................................74
7.10.2
Selecting and starting the program (Start, Hold, Stop) ..................................................................................76
7.10.3
Interrupting, continuing or terminating the program (Hold, Continue, Stop) ................................................77
7.10.4
Creating or modifying a program (Edit).........................................................................................................78
7.10.5
Defining the number of program loops (Loops) .............................................................................................82
7.10.6
Viewing the program sequence as a graph (Graph) .......................................................................................82
7.10.7
Obtaining information on a program (Info)....................................................................................................83
7.11
7.12
7.13
7.13.1
Internal control variable (integral measurement probe) ................................................................................87
7.13.2
External control variable (External measurement probe) ..............................................................................88
7.14
7.14.1
Overtemperature protection and checking......................................................................................................91
7.14.2
Low-level alarm and low-level checking.........................................................................................................93
7.14.3
High-level settings ..........................................................................................................................................94
7.14.4
High-level warning or alarm ..........................................................................................................................95
7.14.5
Pump-motor supervision: Overload or blockage............................................................................................96
7.14.6
Pump-motor supervision: Dry running...........................................................................................................96
7.14.7
Fault list „Alarms and Warnings"..................................................................................................................97
7.15
7.15.1
Connecting cables and interface test RS 232................................................................................................100
7.15.2
Protocol RS 232 ............................................................................................................................................100
7.15.3
Connecting cable RS 485 ..............................................................................................................................101
7.15.4
Protocol RS 485 ............................................................................................................................................101
7.15.5
Write commands (Data commands to the thermostat) ..................................................................................102
7.15.6
Read commands (Data requested from the thermostat)................................................................................103
7.15.7
Error messages .............................................................................................................................................105
7.15.8
Driver software for LABVIEW®...................................................................................................................105
8
INTERFACES - MODULES .....................................................................................................................................106
8.1
8.2
8.3
8.3.1
Menu structure for RS232 / 485 Interface Module (Master).........................................................................108
8.4
YACE0072 / 21.08.07
LMnet
RDp--
..............................................................................................................................................52
...................................................................................................................................................60
) .................................................................................................................74
......................................................................................................................................................84
) ................................................................................................................................85
...........................................................................................................................................86
.........................................................................................................................91
................................................................................................................................................100
.....................................................................................................................................106
(
RS232 / 485 ..........................................................................................................................108
..............................................................................................................................................109
(Master): Displaying refrigerating system settings......................51
)...................................................................72
) ....................................................................................107
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