Super Systems 9120 with TS - Manual (Page 57)

SSi 9120 Touchscreen Interface
4586 – 9120 With Touch Screen Interface Page 57 of 80
Analog Output Setup
The controller has the option of two analog
outputs. The outputs are ranged for a 4 – 20
milliamp signal or a 0 – 20 milliamp signal.
Each output comes with a factory default
configuration dependent on the application.
Each output can be modified prior to
shipment to your facility or in the field by a
supervisor.
Analog Output Terminals
Analog output 1 – terminals 24 and 25
Analog output 2 – terminals 25 and 26
Assignment
The analog output assignment can be modified depending on your system requirements. To
change the Assignment first select which analog output you want to change by selecting it in the
pull-down menu just below the main menu list. Clicking on this value will display an input box,
and then you can use the pull-down menu to select the desired parameter. Once selected, click
OK
and the displayed assignment under Value will be the current assignment type. The following
is a list of the options:
PV 1 retrans
Input 1 retrans
Loop 1 inc Input 2 retrans
Loop 1 dec Input 3 retrans
Loop 1 combo PV1 retrans w/ expo range
PV 2 retrans O2 offset log
Loop 2 inc SP1 retrans
Loop 2 dec SP2 retrans
Loop 2 combo DP retrans
Disassociation
Nit_Pot
Hydrogen
Note – If a blank line is displayed, DO NOT select it. The will only display an error for the output
assignment field
.
Offset
This is the starting point, the Process Variable value at which you get 4 milliamps. Clicking on
this value will display an input box from which the user can select a new value. The range is –
32768 to 32767.
Range
This is a Process Variable value between 4 and 20 milliamps. Clicking on this value will display an
input box from which the user can select a new value. The range is –32768 to 32767.
Current Selection
This option will display the output option that is currently selected. The options are: 4 – 20 mA
or 0 – 20 mA.