Chapter 3. Operation and general programming. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.1 Using the Aurora H2O ...........................................................................23
3.2 Sample system .................................................................................23
3.2.1 Aurora H2O startup...................................................................................... 23
3.2.2 Aurora H2O shut down .................................................................................. 23
3.2.3 Aurora H2O purge gas connection...................................................................... 23
3.3 Keypad features ................................................................................25
3.3.1 Indicator lights ..........................................................................................25
3.3.2 The magnetic stylus ....................................................................................25
3.3.3 The default display......................................................................................25
3.3.4 Unlocking the keypad ...................................................................................26
3.3.5 Keypad lock-out switch .................................................................................26
3.3.6 Accessing the menus ...................................................................................26
3.3.7 Entering numeric values ................................................................................26
3.3.8 Starting up ..............................................................................................26
3.4 Setting up the display...........................................................................27
3.4.1 Selecting primary units ..................................................................................27
3.4.2 Selecting alt 1 and alt 2 units .............................................................................27
3.4.3 Setting decimal places ..................................................................................27
3.4.4 Data/scan................................................................................................27
3.4.5 Adjust ................................................................................................... 28
3.4.6 Reverse .................................................................................................28
3.5 Setting up the outputs ..........................................................................29
3.5.1 Selecting an output for setup ........................................................................... 29
3.5.2 Selecting output units...................................................................................29
3.5.3 Selecting an output type................................................................................29
3.5.4 Changing the upper output span.......................................................................29
3.5.5 Changing the lower output span .......................................................................30
3.5.6 NAMUR response ........................................................................................30
3.5.7 Testing the output........................................................................................31
3.5.8 Trimming the outputs ................................................................................... 32
3.6 Setting up the alarms ...........................................................................33
3.6.1 Selecting an alarm output .............................................................................. 33
3.6.2 Selecting alarm status .................................................................................. 33
3.6.3 Selecting alarm units ................................................................................... 33
3.6.4 Selecting an alarm type ................................................................................34
3.6.5 How the alarm types work ..............................................................................34
3.6.6 Changing the upper alarm span .......................................................................34
3.6.7 Changing the lower alarm span ........................................................................34
Chapter 4. Programming advanced features ..........................................35
4.1 Comm port settings ............................................................................35
4.1.1 Selecting a comm port .................................................................................35
4.1.2 Setting the baud rate ...................................................................................36
4.1.3 Setting parity............................................................................................36
4.1.4 Selecting protocol.......................................................................................36
4.1.5 Setting the network ID...................................................................................36
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