Isotech TTI-7-R Operator's Handbook Manual page 4

Contents
5.4.1 Selecting thermometer input channel. .............................................................. 5-6
5.4.2 Selecting differential input measurement.......................................................... 5-6
5.4.3 Setting up a PRT measurement ....................................................................... 5-7
5.4.4 Setting up a PRT measurement with user defined probe memories.................. 5-9
5.4.5 Setting up a PRT measurement: checking/editing probe memory co-eff. values..
...................................................................................................................... 5-10
5.4.6 Selecting thermocouple type .......................................................................... 5-11
5.4.7 Selecting the reference junction compensation method.................................. 5-12
5.4.8 Selecting ext. ref. junction PRT linearization whose temperature is measured by
a PRT connected to the same channel. ........................................................................... 5-13
5.5 Selecting Screen Display Options........................................................................... 5-14
5.5.1 Selecting measurement units ........................................................................ 5-14
5.5.2 Selecting display resolution modes................................................................ 5-14
5.5.3 Selecting relative temperature measurement ................................................. 5-14
5.5.4 Using the measurement trigger function [Run/Hold] ....................................... 5-15
5.5.5 Selecting PRT measurement sense current ................................................... 5-15
5.6 Data Logger ............................................................................................................ 5-17
5.6.1 Data logger functions ..................................................................................... 5-17
5.6.2 Setting up the data logger .............................................................................. 5-17
5.6.3 Configuring the Scanner ................................................................................ 5-18
5.6.4 Configuring the Timer. .................................................................................... 5-19
5.6.5 Configuring the data log memory ................................................................... 5-21
5.6.6 Starting the data log....................................................................................... 5-22
5.6.7 Reviewing log results ..................................................................................... 5-23
5.6.8 Reviewing log statistics .................................................................................. 5-24
5.7 Setting up the basic controls .................................................................................. 5-25
5.7.1 Review system configuration.......................................................................... 5-25
5.7.2 Setting up the TTI-7-R ................................................................................... 5-26
5.7.3 Configuring the communications interface. ..................................................... 5-28
5.7.4 Setting up Trigger Mode................................................................................. 5-30
5.7.5 Displaying the firmware version ...................................................................... 5-31
5.7.6 Adjusting the display contrast........................................................................ 5-31
6. CALIBRATING THE TTI-7-R .............................................................................................6-1
6.1 TTI-7-R Instrument calibration ................................................................................... 6-1
7. COMMUNICATIONS INTERFACE .....................................................................................7-1
7.1 Introduction ............................................................................................................... 7-1
7.2 Fitting the Interface ................................................................................................... 7-2
7.3 Overview of the RS-232 Serial Interface .................................................................... 7-3
7.3.1 The RS-232 Connector. .................................................................................... 7-4
7.3.2 Pin Connections............................................................................................... 7-4
7.3.3 RS-232 Settings............................................................................................... 7-5
7.3.4 RS-232 Operating Modes................................................................................. 7-5
7.3.5 RS-232 Interface Commands ........................................................................... 7-6
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