
2.2.2 PID adjustment 26
3Communication with a control computer (TED350-IEEE) 28
3.1 IEEE488 interface (TED350-IEEE) 29
3.1.1 IEEE 488 Interface subsets 29
3.1.2 Setting up the interface 30
3.1.3 Connecting the PC 32
3.1.4 IEEE488 bus commands 33
3.2 Before Programming 35
3.2.1 Nomenclature 35
3.2.2 Program and response messages 35
3.2.3 Data format 36
3.3 Common commands and queries 37
3.3.1 Identification query 37
3.3.2 Reset 37
3.3.3 Self-test query 37
3.3.4 Set Operation-complete bit 37
3.3.5 Operation-complete query 38
3.3.6 Wait 38
3.3.7 Event-Status-Enable-Register (ESE) 38
3.3.8 Query Standard-Event-Status-Register (ESR) 38
3.3.9 Service-Request-Enable-Register (SRE) 39
3.3.10 Query Status-Byte-Register (STB) 39
3.4 System command group 40
3.4.1 Answer mode 40
3.4.2 Error-LED mode 40
3.4.3 Querying the error queue 41
3.4.4 Oversampling rate 41
3.5 Status command group 42
3.5.1 Query Device-Error-Condition-Register (DEC) 42
3.5.2 Query Device-Error-Event-Register (DEE) 42
3.5.3 Device-Error-Event-Enable-Register (EDE) 42
3.6 TED350 specific commands 43
3.6.1 Temperature sensor (SENS) 43
3.6.2 Operation mode (MODE) 43
3.6.3 Switching the TEC on and off (TEC) 44
3.6.4 Reading the TEC current hardware limit (LIMTP) 44
3.6.5 Reading the TEC temperature / resistance hardware limit (LIMTR)44
3.6.6 Temperature (only AD590 and LM35) (TEMP) 45
3.6.7 Resistance (only thermistor) (RESI) 46