6.3.3. Password Enable / Security Mode (PASS)..........................................................................47
6.3.4. Configuration Information (CFG).........................................................................................49
6.3.5. Time of Day Clock (CLK)....................................................................................................50
6.3.6. Communications Menu (COMM) ........................................................................................52
6.3.7. GFC7001E Internal Variables.............................................................................................52
6.4. ANALOG OUTPUTS – RANGE CONFIGURATION ................................................................................55
6.4.1. Physical Range vs. Measurement Range ...........................................................................55
6.4.2. A1 & A2 Measurement Range Modes.................................................................................57
6.4.3. A1 & A2 Single Range Mode..............................................................................................58
6.4.4. A1 & A2 Dual Range Mode ................................................................................................59
6.4.5. A1 & A2 Auto Range Mode ................................................................................................61
6.4.6. Setting the Measurement Range Unit Type ........................................................................62
6.4.7. TEST Channel Output........................................................................................................64
6.4.8. Using the Dilution Option....................................................................................................65
6.5. ANALOG OUTPUTS - ELECTRONIC CONFIGURATION ........................................................................66
6.5.1. Voltage Output Range Selection and Offset Adjustment .....................................................68
6.5.2. Current Loop Output Span and Offset Adjustment ..............................................................69
6.6. DIAGNOSTIC MODE (DIAG)...........................................................................................................72
6.6.1. Signal I/O Diagnostic Functions..........................................................................................74
6.6.2. Analog Output Step Test ....................................................................................................75
6.6.3. Analog I/O Configuration ....................................................................................................76
6.6.4. Electric Test.......................................................................................................................79
6.6.5. Dark Calibration Test .........................................................................................................80
6.6.6. Flow Calibration .................................................................................................................81
6.7. EXTERNAL DIGITAL I/O .................................................................................................................81
6.7.1. Status Outputs ...................................................................................................................81
6.7.2. Control Inputs ....................................................................................................................82
6.8. SERIAL INTERFACES .....................................................................................................................84
6.8.1. Serial I/O Default Settings ..................................................................................................84
6.8.2. Serial I/O Physical Connections .........................................................................................85
6.8.3. COM-B RS-232/485 Configuration .....................................................................................85
6.8.4. DTE versus DCE Communication.......................................................................................87
6.8.5. Setting the Serial I/O Communication Mode .......................................................................88
6.8.6. Setting the Serial I/O Baud Rate.........................................................................................90
6.8.7. Testing the Serial I/O .........................................................................................................91
6.9. OPERATING THE ANALYZER FROM A TERMINAL OR COMPUTER ........................................................92
6.9.1. Obtaining Help ...................................................................................................................93
6.9.2. Command Line Interface ....................................................................................................93
6.9.3. Data Types ........................................................................................................................94
6.9.4. Asynchronous Status Reporting .........................................................................................95
6.9.5. Connecting the Analyzer to a Modem .................................................................................96
6.9.6. Serial Port Password Security Feature ...............................................................................98
6.9.7. APIcom..............................................................................................................................99
6.10. THE INTERNAL DATA ACQUISITION SYSTEM (IDAS) .....................................................................100
6.10.1. When the iDAS Is Operating ..........................................................................................100
6.10.2. Disabling the iDAS.........................................................................................................101
6.10.3. iDAS Record Structure...................................................................................................101