SP Scientific ULTRA-COOL, Operator'S Manual

Page: 8 / 64

Contents Ultra-Cool
vi Rev 008, 01/12
© SP Scientific 2012
Pressure Gauge and Bypass Valve ............................................................................................................... 17
Setting System Parameters ...................................................................................... 19
Overview ............................................................................................................................................................ 19
Overview of Modifying Parameters ................................................................................................................ 19
Menu Description ............................................................................................................................................... 20
Locks Menu (LOC) ............................................................................................................................................. 20
RS-232 Parameters (232) .................................................................................................................................. 20
Miscellaneous Menu (Etc) .................................................................................................................................. 21
System Span and Alarms Definitions (SPAN) .................................................................................................... 23
Control Parameters (PID)................................................................................................................................... 24
Maintenance ............................................................................................................. 27
Fluid System ...................................................................................................................................................... 27
Checking Fluid Level ..................................................................................................................................... 27
Adding Fluid .................................................................................................................................................. 28
Draining Fluid ................................................................................................................................................ 28
Fuses............................................................................................................................................................. 29
Preventative Maintenance.................................................................................................................................. 29
Air-Cooled Refrigeration Condenser ............................................................................................................. 29
Cleaning ........................................................................................................................................................ 29
RS-232 Programmer’s Reference ............................................................................. 31
Overview ............................................................................................................................................................ 31
Hardware ........................................................................................................................................................... 31
Communications ................................................................................................................................................ 33
Communication Data ......................................................................................................................................... 33
Data Format ....................................................................................................................................................... 33
Received Data ................................................................................................................................................... 34
Transmitted Data ............................................................................................................................................... 36
Transmitted Data Format ................................................................................................................................... 37
Acknowledge ................................................................................................................................................. 37
Error .............................................................................................................................................................. 37
Value ............................................................................................................................................................. 37
Terminator ..................................................................................................................................................... 38
Commands and Codes ...................................................................................................................................... 38
Command Set ............................................................................................................................................... 38
Alarm Codes .................................................................................................................................................. 45
RS-232 Error Codes ...................................................................................................................................... 46
Sample Program ................................................................................................................................................ 49
Program ......................................................................................................................................................... 49
Appendix A: Troubleshooting .................................................................................... 51