Lauda E 4 G - Page 5

ECO GOLD
25/08/2011/ YACE0088 Table of contents 5
E.2 Creating and editing a program............................................................................................................95
E.3 Starting the program ............................................................................................................................97
E.4 Interrupting, continuing or terminating the program.............................................................................97
E.5 Defining the number of program loops (Loops) ...................................................................................98
F Control parameters ...................................................................................................................................98
F.1 Internal control variable (internal temperature sensor)........................................................................98
F.2 External control variable.....................................................................................................................100
F.2.1 Setting the correcting quantity limit.............................................................................................101
F.2.2 Procedure for setting the control parameters for external control ..............................................102
G Interface modules....................................................................................................................................103
G.1 Menu structure of the modules...........................................................................................................103
G.2 Analog module ...................................................................................................................................104
G.3 RS 232/485 interface module.............................................................................................................105
G.3.1 Connecting lead and interface test RS 232 ................................................................................105
G.3.2 RS 232 protocol ..........................................................................................................................106
G.3.3 RS 485 connecting lead..............................................................................................................106
G.3.4 RS 485 protocol ..........................................................................................................................107
G.4 USB interface.....................................................................................................................................108
G.4.1 Description..................................................................................................................................108
G.4.2 Installation of the USB driver ......................................................................................................108
G.4.3 Connecting the thermostat to the PC..........................................................................................109
G.4.4 Where is the ECO Virtual COM Port?.........................................................................................111
G.5 Commands and error messages applicable to the RS 232/485 interface module and to the USB
interface.............................................................................................................................................113
G.5.1 Interface write commands (data issued to the thermostat).........................................................113
G.5.2 Interface read commands (data request from the thermostat) ...................................................114
G.5.3 Interface error messages............................................................................................................116
G.5.4 Driver software for LABVIEW®...................................................................................................116
G.6 Contact module..................................................................................................................................117
G.6.1 Contact module LRZ 914 with 1 input and 1 output ...................................................................117
G.6.2 Contact module LRZ 915 with 3 inputs and 3 outputs................................................................118
Confirmation.........................................................................................................................................121