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Siemens
Central control unit RMB795B
CE1P3122en
Building Technologies
Contents
18.01.2012
6.2
Select language ......................................................................................40
6.3
Select temperature unit ...........................................................................41
6.4
Operator unit display contrast .................................................................41
6.5
Text entry.................................................................................................41
6.5.1
Device name ...........................................................................................41
6.5.2
File name.................................................................................................41
6.5.3
Electronic business card .........................................................................41
6.5.4
Editable text.............................................................................................42
7
7.1
Universal inputs (Xx) ...............................................................................43
7.1.1
General settings ......................................................................................43
7.1.2
Activate function......................................................................................43
7.1.3
Cause ......................................................................................................44
7.1.4
Input terminal simulation .........................................................................44
7.1.5
Troubleshooting.......................................................................................45
7.1.6
Functional check / wiring test..................................................................45
7.2
Analog inputs (Xx)...................................................................................45
7.2.1
Activation and type..................................................................................45
7.2.2
Measuring range .....................................................................................46
7.2.3
Measured value correction......................................................................46
7.2.4
Connection examples for sensors...........................................................47
7.2.5
Troubleshooting.......................................................................................48
7.2.6
Multiple use of sensors ...........................................................................49
7.3
Digital inputs (Xx) ....................................................................................49
7.3.1
Use and activation...................................................................................49
7.3.2
Normally closed.......................................................................................49
7.3.3
Texts for logical states 0 and 1................................................................49
7.3.4
Connection example ...............................................................................50
7.3.5
Troubleshooting.......................................................................................50
7.4
7.4.1
Activate function......................................................................................51
7.4.2
Connection diagram ................................................................................51
7.5
Outside temperature ...............................................................................52
7.5.1
Connection choices.................................................................................52
7.5.2
Outside temperature at terminal..............................................................52
7.5.3
Outside temperature via bus ...................................................................53
7.5.4
Outside temperature simulation ..............................................................53
7.5.5
Troubleshooting.......................................................................................53
7.6
8
Function block: "Room group"............................................................56
8.1
Overview .................................................................................................56
8.2
Activate function block ............................................................................57
8.3
Room operating modes per room group .................................................58
8.3.1
Room operating mode selector...............................................................58
8.3.2
Room mode selection via digital inputs...................................................59
8.3.3
Room operating mode selection using room unit QAW740 ....................62
8.3.4
Release room unit QAX3x.x for time switch operating mode Economy .62
8.3.5
7-day time switch ....................................................................................63
8.3.6
Holidays/special days..............................................................................64
8.3.7
Room operating mode outputs................................................................67
8.3.8
Functional check / wiring test..................................................................69
