When you install an EX module in the LT3000 Series, in addition to standard inputs and outputs you can run analog I/O and temperature inputs (thermocouple and Pt 100).

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Please refer to the following for details on LT processes.
31.5.2 Interface Specifications (LT Series)
EX Modules: Models and Features
| 
 Feature  | 
 Type  | 
 Description  | 
 Browse to  | 
| 
 Standard Input  | 
 EXM-DDI8DT  | 
 DIO Module: 8-input sink/source  | 
 
  | 
| 
 EXM-DDI16DT  | 
 DIO Module: 16-input sink/source  | 
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| 
 Standard Output  | 
 EXM-DDO8UT  | 
 DIO module: 8-output sink  | 
 
  | 
| 
 EXM-DDO8TT  | 
 DIO module: 8-output source  | 
||
| 
 EXM-DRA8RT  | 
 DIO module: 8-output relay  | 
||
| 
 EXM-DDO16UK  | 
 DIO module: 16-output sink  | 
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| 
 EXM-DDO16TK  | 
 DIO module: 16-output source  | 
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| 
 EXM-DRA16RT  | 
 DIO module: 16-output relay  | 
||
| 
 Standard I/O  | 
 EXM-DMM8DRT  | 
 DIO Module: 4-input sink/source DIO module: 8-output relay  | 
|
| 
 EXM-DMM24DRF  | 
 DIO Module: 16-input sink/source DIO module: 4-output relay  | 
||
| 
 Analog Input  | 
 EXM-AMI2HT  | 
 Analog Module: 2-Input  | 
|
| 
 EXM-AMI4LT  | 
 Analog Module: 4-Input  | 
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| 
 EXM-ARI8LT  | 
 Analog Module: 8-Input  | 
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| 
 Analog Output  | 
 EXM-AMO1HT  | 
 Analog Module: 1-Output  | 
|
| 
 EXM-AVO2HT  | 
 Analog Module: Output 2 points  | 
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| 
 Analog Input/Output  | 
 EXM-AMM3HT  | 
 Analog Module: 2-Input Analog Module: 1-Output  | 
|
| 
 EXM-AMM6HT  | 
 Analog Module: 4-Input Analog Module: 2-Output  | 
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| 
 EXM-ALM3LT  | 
 Analog Module: 2-Input Analog Module: 1-Output  | 
31.6.1 Procedure - Controlling I/O in LT3000 Series and EX Modules