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Siemens 

Central control unit RMB795B 

CE1P3122en 

Building Technologies 

Commissioning 

18.01.2012 

5.2.2 

Start from the main menu 

 

To navigate from the main menu to commissioning: 

Step

 

Action

 

Result

 

1 

To select the 

Access level 

menu, press simultaneously 
the 

OK

 knob and the 

ESC

 

button. Select operating line 

Password level

 and confirm 

with the 

OK

 knob. Enter the 

password (

7

). 

The password level is active. 

2 

Select and confirm operating 
line 

Commissioning

 with the 

OK 

knob 

 

3 

Press the 

OK 

knob a second 

time

 

 

 

 

On the device side: 

•

  The application (communication) is 

stopped 

•

  All outputs are set to a defined OFF 

state. 

On the display: 

•

 The 

Commissioning

 menu is 

displayed. 

     

 

 

5.3 

Basic configuration 

 

The 

Basic configuration

 menu is used to make the following settings: 

•

  Selecting basic type "B" 

•

  Assign the central control unit position to the connected extension modules  

 

5.3.1 

Select basic type "B" 

 

On the RMB795B central control unit, an empty "Basic configuration" is filed. If 
selected, all configurations of the extra configuration will be deleted (for 
connections, refer to the configuration diagram).  
 
When selecting a new, empty basic configuration, the following values will not be 
deleted: 

•

  All user-defined texts and business cards. 

•

  Calendar and time switch room group settings. 

•

  Basic settings on the 

Communication

 menu. 

•

  Current time of day. 

•

 Trend settings. 

•

  Values on the 

Settings > Device

 menu 

 
After selecting basic type "B", a start can be made with a new configuration on the 

Extra configuration

 menu. 

 

Procedure 

Introduction 

Selection deletes extra 
configuration 

Maintained values 

New extra configuration 

Содержание RMB795B

Страница 1: ...e Cities Synco 700 Central control unit RMB795B For room controllers RXB RXL and room thermostats RDG RDF RDU Basic documentation CE1P3122en 18 01 2012 Building Technologies CE1P3122en 18 01 2012 Building Technologies ...

Страница 2: ...122en Building Technologies 18 01 2012 Siemens Switzerland Ltd Sector Infrastructure Cities Building Technologies Division Gubelstrasse 22 6301 Zug Schweiz Phone 41 41 724 24 24 www siemens com sbt 2004 2012 Siemens Switzerland Ltd Subject to change ...

Страница 3: ...roup 21 3 2 Application example 21 3 3 Implement application example 24 4 Engineering and commissioning guidelines 26 5 Commissioning 30 5 1 Before you start 30 5 1 1 Safety notes 30 5 1 2 Potential impact of power failures 30 5 2 Start commissioning 31 5 2 1 Start during initial power up 31 5 2 2 Start from the main menu 32 5 3 Basic configuration 32 5 3 1 Select basic type B 32 5 3 2 Assign exte...

Страница 4: ... 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 Pulse 51 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 sim...

Страница 5: ...eshooting 79 8 10 Fire alarm off 79 8 10 1 Activate function 80 8 10 2 Operating principle 80 8 10 3 Troubleshooting 80 8 11 Smoke extraction 81 8 11 1 Activate function 81 8 11 2 Operating principle 81 8 11 3 Troubleshooting 82 9 Logic 83 9 1 Function 83 9 2 Activate the logic 84 9 3 Assign texts 85 9 4 Setting values 85 9 4 1 Setting values switching value on and off 85 9 4 2 Switch on delay swi...

Страница 6: ...11 5 5 Functional check wiring test 104 11 6 Function block H C changeover 105 11 6 1 Use and functions 105 11 6 2 Activate function 106 11 6 3 Preselected operating mode input H C 106 11 6 4 Operating principle 107 11 6 5 Lock time 108 11 6 6 Display current state 108 11 6 7 Heating cooling ch over relay 109 11 6 8 Troubleshooting 109 12 Volume flow balancing VAV 110 13 Communication 112 13 1 Act...

Страница 7: ...se of faults 130 17 1 Error fault code list 130 17 2 Troubleshooting 131 17 2 1 Fault indication 131 17 2 2 Alarm acknowledgement 132 17 2 3 Delete fault status messages 132 17 3 Troubleshooting 133 18 Electrical connections 134 18 1 Connection rules 134 18 2 Connection terminals 135 18 2 1 Central control unit RMB795B 135 18 2 2 Universal modules RMZ785 135 18 2 3 Universal module RMZ787 135 19 A...

Страница 8: ...8 144 Siemens Central control unit RMB795B CE1P3122en Building Technologies Contents 18 01 2012 ...

Страница 9: ...9 144 Siemens Central control unit RMB795B CE1P3122en Building Technologies Overview 18 01 2012 ...

Страница 10: ...t underlines the system s user friendliness at all levels The RMB795B central control unit is operated via a plug in type or detached operator unit The RMB795B central control unit facilitates central operation of room groups equipped with RXB RXL room controllers while offering the following features Time switch calendar and special day programs Preselected setpoints and trend functions Supervisi...

Страница 11: ...RDG N3191 N3192 Room thermostat RDU N3172 Extension modules Universal module RMZ787 N3146 Universal module RMZ785 N3146 Module connector RMZ780 N3138 Operator units Operator unit plug in type RMZ790 N3111 Operator unit detached RMZ791 N3112 Type of room unit QAW740 N1633 Operator unit 1 Service tool OCI700 1 N5655 ...

Страница 12: ... Switching and monitoring device OZW772 Web server RMH Heating controllers 1 4 Equipment combinations The table below shows the types of devices that can be combined with the RMB795 and the extension modules Room unit Type Data Sheet Passive sensors All types of sensors with sensing element LG Ni1000 Pt1000 T1 PTC N1721 N1847 N1713 Active sensors All types of sensors operating on AC 24 V with modu...

Страница 13: ...ntal declaration RMU7 B RMS705 RMB795 RMH760 RMK770 CE1E3110en01 Environmental declaration RMZ78 CE1E3110en02 Environmental declaration RMZ790 CE1E3110en03 Environmental declaration RMZ791 CE1E3110en04 Environmental declaration RMZ792 CE1E3131en 1 6 Output Summary of the functions and features for the central control unit RMB795B Outfit functions RMB795B Canned applications 1 Extension modules Ext...

Страница 14: ...eration demand signal Relays and modulating H C changeover of 2 pipe system Operation and observation of RXB RXL room controllers Setpoints for room groups Monitoring devices 1 7 Important notes This symbol draws your attention to special safety notes and warnings Failing to observe these notes may result in injury and or serious damage You may only use Synco 700 products to control and monitor he...

Страница 15: ...ree and require only cleaning at regular intervals We recommend removing dust and dirt from system components installed in the control panels during standard service If system faults occur and you are not authorized to perform diagnostics and rectify faults call your Siemens Building Technologies service representative Only authorized staff may perform diagnostics remedy faults and restart the pla...

Страница 16: ...n correct use and no fault in the peripheral devices LED off No power or incorrect use faulty peripheral devices 2 Fault button with LED red Indication and acknowledgement of a fault status message LED flashes Fault status message ready for acknowledgement LED lit Fault status message still present but not yet reset LED off No fault status message present Press button Acknowledge fault or reset 3 ...

Страница 17: ...al control unit has several languages loaded Enter the relevant language during commissioning The Operating Instructions for the end user are included with the central control unit they contain the languages with which the unit is supplied The pictures below show the 2 types of operator units with their operating elements 3111Z07 2 1 5 3 4 Plug in type operator unit RMZ790 3 4 2 5 1 3112Z08 Detach...

Страница 18: ...lp picture with explanations relating to the selected setting parameter as long as INFO button is kept depressed Note When on the access levels Service and Password the number in the bottom right hand corner is the text ID number of the menu or setting parameter Room group 1 Operating mode Comf Cooling setpoint 24 0 C Heating setpoint 21 0 C Cause Time switch Info level Here for example info page ...

Страница 19: ...central control unit has 3 access levels An access right is defined for each parameter operating line Level Access Symbol User level for the plant operator The user level can be accessed any time Users can modify all data points that are visible adjustable at this level Service level for maintenance Press the OK knob and the ESC button simultaneously Then select operating line Service level and co...

Страница 20: ...from the current access level to some other access level 1 Press the OK knob and the ESC button simultaneously The Access levels menu is displayed 2 Select the required access level by turning the OK knob and confirm by pressing the knob 3 Enter number 7 to access the password level Changing the access level ...

Страница 21: ...aged by one room group Each room is equipped with several individual room controllers that are used to control of local applications e g radiators chilled ceiling fan coils or VAV The individual room controllers are assigned by entering the geographical zone address via the KNX bus of a room group of the RMB795B central control unit 3 2 Application example To explain the philosophy of the room gro...

Страница 22: ...9 G 3 7 1 D 110 G 2 1 1 D 111 G 2 2 1 D 112 G 2 3 1 D 113 G 2 4 1 D 114 G 1 1 1 RMB795 Office Conference room Conference room Reception Office Office Office Office Office Let us know look at the floor plan for company Sport Ltd Due to company needs a subdivision into 2 room groups or 2 geographical zones apartment is made Conference room room group 1 All other offices room group 2 The fan coil uni...

Страница 23: ...one e g 2 1 1 A geographical zone must be assigned To each RXB room controller To each room group of the RMB795B control station Here all devices to be part of the same room group must have the same apartment number On the RMB795B central control unit only the room group that is the Geographical zone apartment can be set The room and subzone are fixed room 1 subzone 1 To set the room group at the ...

Страница 24: ...an actual apartment Each KNX member requires an individual device address entered in the floor plan above with D 11x The device addresses in our example were assigned based on the bus topology On the RXB room controller the setting Time switch slave apartment must be set to the same apartment number as the room group where the room controller is located Room and subzone are not relevant and set to...

Страница 25: ... X X X X Nein Fault remote unlocking no yes X X X X Nein Geographic zone apartment room subzone A R S 1 126 1 63 1 X2 2X X 10X X X 1 X 1 1 1 1 1 1 2 1 1 2 1 1 2 2 1 2 3 1 2 4 1 mit eigenem Raumfühler X1 2X X X X X X X X Time switch mode autonomous slave master X1 2X X Time switch slave apartment 1 126 1 1 X1 2X X X 1 1 1 1 1 2 1 1 2 1 1 2 1 1 2 1 1 Temperature control master slave X Master Master ...

Страница 26: ...request signals The procedure for engineering and commissioning the RMB795B central control unit should be the following 1 Provision of the necessary tools 2 Planning 1 Implementation of the HVAC plant concept for the central control unit RMB795B 3 Planning 2 Organization of communication on the KNX bus 4 Installation of devices and KNX bus 5 Commissioning A detailed description of the necessary t...

Страница 27: ...ddress 1 126 1 63 Organization of communication on the KNX bus is subdivided as follows Engineer bus network Complete the SyncoTM planning and commissioning protocol Communication C3127 And these are the individual steps to be followed step Procedure Notes 1 Topology Define area backbone and line define the device addresses Depending on Number of devices network extension embedding 2 Define the ty...

Страница 28: ... apartment According to the room group assignments 9 Define the time switch zone According to customer needs 10 Define holidays special day zones Ditto 11 Define the outside temperature zones According to HVAC plant 12 Define the refrigeration distribution zones on the consumer side Ditto 13 Define the refrigeration distribution zones on the generation side Ditto 14 Define the heat distribution zo...

Страница 29: ...7 3 Commissioning the RMB795B central control unit 1 Set configuration and setting values according to the configuration diagram 2 Make the wiring test 3 Set the RMB795B communication data points according to the SyncoTM Planning and Commissioning Protocol C3127 4 Run search of device supervision 5 Compare the identified devices against the planning documentation 6 Exit commissioning 4 Commissioni...

Страница 30: ...ilure The possible effects are investigated and explained using a plant example with the following devices Room unit Function RMB795B Preselection of operating modes for the different room groups RXB RXL RDG RDF RDU Room controllers and room thermostats assigned to different room groups RMU7 or RMH760 Collection of the refrigeration heat request signals of preparation A power failure or wrong conf...

Страница 31: ...fined OFF state on central control unit power up All internal safety functions of the central control unit are deactivated After startup the operator unit displays the Language menu Now proceed as follows Step Action Result 1 Select and confirm the Language for commissioning or operating the plant using the OK knob The display appears in the selected language 2 Select and confirm in the same way t...

Страница 32: ...e Basic configuration menu is used to make the following settings Selecting basic type B Assign the central control unit position to the connected extension modules 5 3 1 Select basic type B On the RMB795B central control unit an empty Basic configuration is filed If selected all configurations of the extra configuration will be deleted for connections refer to the configuration diagram When selec...

Страница 33: ...es in connection with the extension modules Prior to attaching an extension module the system must be disconnected from power Free configuration can also contain connections to the extension modules The relevant functions are only active if the respective extension module has been connected and activated The extension modules can be arranged in any order desired 5 3 3 Settings Main menu Commission...

Страница 34: ...lication is deactivated The outputs are in a defined OFF state and safety related functions e g smoke extraction are deactivated Communication with RXB RXL room controllers is interrupted No more defined values are transmitted During wiring test both inputs and outputs are checked for the following errors Connection error mixed up wires Position error mixed up sensors or actuating devices Discrepa...

Страница 35: ...n unauthorized user makes important readjustments the function can be used to retrieve the state the device had after commissioning When making a data backup the following values are not saved or restored All user defined texts and business cards Calendar and time switch room group settings Basic settings on the Communication menu Current time of day Trend settings Values on the Settings Device me...

Страница 36: ...tion B loaded during commissioning Adapt basic type Display of intervention in the programmed application yes no File name Name of an application that was downloaded by the ACS Device type Display of the device used e g RMB795B 1 software version Display the software version Hardware version Displays hardware version Main menu Device information Position 1 3 Operating line Comments Extension modul...

Страница 37: ...nged of the Device information menu the value is set to Yes The asterisk is set automatically when leaving the Extra configuration menu even if nothing has been changed The asterisk is deleted and the value No appears on operating line Plant type changed when on the Basic configuration menu the old or a new standard application i e basic type B is loaded A new configuration will be made based on b...

Страница 38: ... h Main menu Time of day Date Operating line Range Factory setting Time 00 00 24 00 00 00 Date 01 01 31 12 01 01 Year 2000 2100 Current The change from daylight saving to standard and vice versa is made automatically in accordance with the settings The date of the earliest changeover can be readjusted should the relevant regulations change Main menu Time of day Date Operating line Range Factory se...

Страница 39: ...ng Communication Basic settings Operating line Range Factory setting Remote setting clock slave Yes no Yes The above settings have the following impact Entry Effect Diagram Autonom ously The clock time on the central control unit can be adjusted The central control unit s clock time will not be adapted to the system time Con time Sys Time Adjustment Slave remote setting clock slave No The clock ti...

Страница 40: ...lashes No Text Effect 5001 System time failure Non urgent message must not be acknowledged 5002 1 clock time master Non urgent message must be acknowledged 5003 Invalid time of day Non urgent message must not be acknowledged 6 2 Select language Every RMB795B central control unit has several languages loaded When switching on the central control unit for the first time the Language menu appears in ...

Страница 41: ...text for the device name appears on the welcome screen Main menu Commissioning Settings or Main menu Settings Texts Operating line Range Factory setting device name Max 20 characters 6 5 2 File name The file name can be assigned individual text for the selected application Main menu Commissioning Settings or Main menu Settings Texts Operating line Range Factory setting File name Max 20 characters ...

Страница 42: ...ements Maximum length of the text is 20 characters Inputs see chapter 7 6 Room groups see chapter 8 2 Room temperature supervision See chapter 8 6 Reference rooms See 13 2 2 Device supervision See 16 5 Logic and operation selector see Sec 9 3 Fault inputs see chapter 10 3 Trend channels see Sec 15 1 3 Meter see Sec 15 2 7 At the password level user texts such as menu texts fault texts or operating...

Страница 43: ...tion All universal Xx inputs are always available If not required for their assigned functionality they can be used for display Inputs that are not required are to be set to Digital To activate assign a label identifier to each input used The identifier also defines the input s unit The following identifiers are available Outside temperature 1 C g kg kJ kg W m m s bar mbar Pa ppm Universal 000 0 U...

Страница 44: ...ts Digital inputs are without units Logical display for signal handling 0 off 1 on 7 1 3 Cause Cause displays the source of an input value The following types are available Terminal Used as local terminal LTE mode Used as LTE transmission and reception objects S mode Used as S mode object Simulation Input terminal simulation Main menu Commissioning Settings or Main menu Settings Inputs X Operating...

Страница 45: ...input identifiers are changed after configuration of other function blocks certain functions for the other blocks may be set to inactive as they would have to work with units invalid for the particular block 7 1 6 Functional check wiring test During the wiring test the measured values of all inputs can be checked as follows Main menu Commissioning Wiring test Inputs Operating line Adjustable value...

Страница 46: ...g range is definable A lower and an upper measured value must be entered Active 0 10 V temperature signals have a default measuring range of 0 200 C but they are adjustable within the overall range of 50 500 C Room temperature with an active signal of DC 0 10 V 0 50 C Lower measured value 0 C Upper measured value 50 C Main menu Commissioning Settings or Main menu Settings Inputs X Operating line R...

Страница 47: ...Commissioning Extra configuration Input identifier Operating line Setting N X1 C Main menu Commissioning Settings or Main menu Settings Inputs X Operating line Setting Type Ni1000 2 passive LG Ni1000 temperature sensors can be connected to the input The RMB795B central control unit calculates the average temperature They must be connected according to the following diagram G G G0 X M G0 B N 31210A...

Страница 48: ... Setting N X1 C Main menu Commissioning Settings or Main menu Settings Inputs X Operating line Setting Type Ni1000 7 2 5 Troubleshooting When leaving the commissioning menu the central control unit checks to see which sensors are connected If later one of the sensors connected at this point in time is missing or if there is a short circuit a fault status message will be delivered X Sensor error Di...

Страница 49: ... See Sec 7 5 2 Outside temperature at terminal 7 3 Digital inputs Xx 7 3 1 Use and activation Control function signals can be connected to the digital inputs The inputs can be activated as described under Sec 7 1 2 Activate function 7 3 2 Normally closed Normally closed can be defaulted for each digital input Main menu Commissioning Settings or Main menu Settings Inputs X Operating line Range Fact...

Страница 50: ...t identifier Operating line Setting N X2 Digital Main menu Commissioning Settings or Main menu Settings Inputs X Operating line Setting Normally closed Open 7 3 5 Troubleshooting Digital signals cannot be monitored If important protective functions such as Fire alarm off are connected to this terminal we recommend the following Choose wiring such that Fire alarm off is also triggered if there is n...

Страница 51: ...100 Hz and min pulse duration of 5 ms 7 4 1 Activate function Main menu Commissioning Extra configuration Input identifier Operating line Adjustable values remarks X Pulse Electronic pulse sources e g Open Collector outputs generate shorter less bouncing pulses than mechanical pulse sources e g relays or Reed contacts The type can be selected Main menu Commissioning Settings or Main menu Settings ...

Страница 52: ...is also delivered to other devices No outside temperature at terminal Communication outside temperature active 3121Z09 T Central control unit operates with the outside temperature delivered via the bus by some other controller No outside temperature at terminal Communication outside temperature not active T Central control unit has no outside temperature 7 5 2 Outside temperature at terminal Setti...

Страница 53: ...e outside temperature can be overridden Main menu Inputs Operating line Range Factory setting Outside temperature simulation 50 50 C Only authorized staff may override inputs within a limited period of time During simulation of the outside temperature fault status message Outside sensor simulation active will be triggered No Text Effect 12 Outs sensor simulation active Non urgent message must not ...

Страница 54: ...rror Non urgent message must not be acknowledged If other outside temperature signals are available on the bus any of them are used randomly 7 6 Texts Each input can be assigned plant specific text with a maximum length of 20 characters Such texts are displayed locally in place of standard text e g N X1 Main menu Commissioning Settings or Main menu Settings Inputs X Operating line Range Factory se...

Страница 55: ...nge Factory setting RMZ787 1 X2 Max 20 characters RMZ787 1 X2 RMZ787 1 X3 Max 20 characters RMZ787 1 X3 RMZ787 1 X4 Max 20 characters RMZ787 1 X4 RMZ787 2 X1 Max 20 characters RMZ787 2 X1 RMZ787 2 X2 Max 20 characters RMZ787 2 X2 RMZ787 2 X3 Max 20 characters RMZ787 2 X3 RMZ787 2 X4 Max 20 characters RMZ787 2 X4 ...

Страница 56: ...of a calendar This calendar can act on several time switches or room groups For the entire room group the same Room operating modes apply Comfort Precomfort Economy Protection can be influenced via calendar time switch program user interventions Room setpoints apply can be switched on and off via parameter Setpoint priority Setpoints can be overwritten or changed on each individual room controller...

Страница 57: ...meter Setpoint priority RMB central control unit must be set to No The central control unit RMB795B differentiates between 4 room operating modes Room operating mode Explanation Comfort Operating mode for occupied rooms Precomfort Energy saving operating mode for the room Economy Plant OFF A minimum maximum room temperature is ensured sustained mode Protection Plant OFF Frost protection active 8 2...

Страница 58: ...reselection Auto State Comf Cause Time switch The possible entries and displays are listed below The following operating modes are available for selection Main menu Room group 1 10 Room operating mode Operating line Range Factory setting Preselection Auto Comfort Precomfort Economy Protection Auto The current room operating mode can have the following states Comfort Precomfort Economy Protection T...

Страница 59: ...ese functions are simultaneously active the following priority applies 1 Room operating mode selector or switching to a desired operating mode 2 Timer function The following settings are required depending on the desired function Type of action Operating line Value Timer function Timer function digital inputs only Timer function duration N Xx 0 min Switching to the desired room operating mode Room...

Страница 60: ... with 2 different setting values a Setting value 60 min 60 min 60 min 60 min ON OFF A B C 3121D04 a Setting value 720 min C A ON OFF B 3121D05 720 min A Time switch B Switching command via digital input for Timer function with time set for Comfort mode C Effective room operating mode The digital input enables the plant to be constantly switched to the desired room operating mode The required opera...

Страница 61: ... 10 Room operating mode Operating line Adjustable values remarks Room operating mode input 1 N X1 N X2 digital inputs only Room operating mode input 2 N X1 N X2 digital inputs only The operating modes are assigned according to the following table State of control input 1 State of control input 2 Resulting operating mode Normally closed Normally closed Auto Operating position Operating position Eco...

Страница 62: ...revails Priority sequence for the room operating mode 1 Contacts on the RMB795B central control unit 2 RMZ79x or QAW740 room unit mode or timer button 3 Timer function on the RMB795B central control unit 4 Special day contact RMZ79x 5 Holiday contact RMZ79x 6 Time switch The timer function of the QAW740 room unit can be used to extend the Comfort mode of a room group 8 3 4 Release room unit QAX3x ...

Страница 63: ...which the desired operating mode shall apply Desired operating mode When all entries for one day have been made that day can be copied to the other days In that case the respective time switch must be selected e g Room group 1 Time switch Monday When turning the OK knob in clockwise direction the selection Copy to will appear at the end of the time switch entries You can copy to Monday Friday Mond...

Страница 64: ... specific holiday special day program of room group x or Master in some other calendar zone for a holiday special day program that shall also be used by other room groups Holiday special day programs can be assigned to room groups or to other devices on the bus Different sources can be used as the master These can be entered on the RMB795B central control unit The following settings can be made Au...

Страница 65: ...mode selected here will apply to all devices in the same holiday special day zone Special days are periods of time when the building is used for special purposes and whose start and duration are known in advance Examples Visitor days in special homes Church holidays An extra 24 hour program special day as a special day program can be entered in the 7 day program refer to Sec 8 3 5 7 day time switc...

Страница 66: ...a special day or holiday period via the digital inputs will not be entered in the holiday special day program so that there will be no annual reoccurrence The digital input enables the plant to be constantly switched to Holiday mode without necessitating interventions on the central control unit RMB795B If a permanent signal is applied to the configured input the plant changes to Holiday mode This...

Страница 67: ...room group 1 Non urgent message must not be acknowledged 5291 Hol spec day prog room group 10 Ditto 5202 1 hol spec day prog R grp 1 Non urgent message must be acknowledged 5292 1 hol spec day prog R grp 10 Ditto When evaluating the priority in the holidays special day program only the first 2 entries are taken into consideration If more than two overlapping entries are made the special day may no...

Страница 68: ...ed under Settings mean the following for the operating mode relay Value set State of relay R1 State of relay R2 Normally closed Normally closed R1 Operating position Normally closed R2 Normally closed Operating position R1 R2 Operating position Operating position The factory setting was chosen to allow for direct connection of the digital outputs to the digital inputs of the Synco 200 controller A...

Страница 69: ...setpoints only if configuration parameter Setpoint priority has been set to Yes In that case the setpoints locally adjusted on the RXB RXL room controller are overwritten by the setpoints of the room group Main menu Commissioning Extra configuration Room group 1 10 Operating line Adjustable values remarks Setpoint priority Yes no Main menu Commissioning Settings or Main menu Settings Room group 1 ...

Страница 70: ...ontroller are always overwritten again Only when changed The user can normally change the absolute setpoints on the room controller at any time The setpoints are overwritten on the room controller however when the setpoints are changed on the central control unit 8 4 2 Application example setpoint priority setpoint master Types of building Setpoint priority Setpoint master Description of absolute ...

Страница 71: ...S Summer compensation delta wW Winter compensation delta Summer winter compensation is used for the following reasons Summer compensation to compensate for the lighter clothing worn by building occupants Winter compensation to give consideration to the cold envelope of the space e g the windows Main menu Commissioning Settings or Main menu Settings Room group 1 10 Setpoint effects Operating line R...

Страница 72: ...compensation has been parameterized the setpoint readjustment will be added to the RMB room group example 2 The following examples show the assignment of zone addresses the passing on of setpoint readjustments and the resulting setpoints on the RXB RXL room controllers QAW740 RMB795B room group 1 RXB RXL RXB RXL RXB RXL Geographical zone Apartment 3 1 1 QAW zone 3 1 1 Geographical zone Apartment 5...

Страница 73: ...1 Temperature value for reference room 1 Reference room 2 Temperature value for reference room 2 Reference room 3 Temperature value for reference room 3 Reference room X is the default text It can be edited and will then be displayed 8 6 Temperature supervision Temperature supervision should provide an overview of the temperature distribution in a room group For this purpose the following temperat...

Страница 74: ...nowledged 45XX Room temperature Limit val or R grp 1 10 Non urgent message must not be acknowledged The fault status message texts are predefined They can be adjusted via operation Main menu Commissioning Settings or Main menu Settings Room group 1 10 Room temp supervision Operating line Range Factory setting Room temperature Limit val or R grp X 20 characters Room temperature Limit val or R grp X...

Страница 75: ...the room group see Sec 13 Communication 8 7 2 Operating principle optimum start control The controller makes the calculations based on the variable Room temperature setback and precooling required by the current reference room temperature so that the new Room temp setpoint cooling is already achieved at the time the operating mode is changed Main menu Commissioning Settings or Main menu Settings R...

Страница 76: ... it to Auto on the RMB795B Main menu Room group 1 10 Room operating mode Operating line Range Factory setting Preselection room grp control Auto Heating Boost heating Cooling Night purge Precooling Off Test Emergency heating Fan only Free cooling Auto Response by the individual room controllers for the various control functions depends on the connected type of device Control function Influence on ...

Страница 77: ...he individual room controllers is completely shut down Safety functions e g frost are to some extent out of service All other functions as well as communication remain active Test Not supported S mode function Not supported Emergency heating Maximal heating The room controller switches on all installed heating aggregates as soon as the room temperature drops below the frost limit value independent...

Страница 78: ...fine 1 to 3 individual rooms from the corresponding room group as a reference room by assigning the geographic zone room see Sec 13 2 2 Room group 1 10 Of the maximum of 3 reference rooms it is always the highest room temperature that is selected Main menu Commissioning Settings or Main menu Settings Room group 1 10 Night cooling Operating line Range Factory setting Outside temperature limit 0 50 ...

Страница 79: ...example of the period of time night cooling takes place based on the setting values according to Activation of function and the above mentioned switch on and switch off criteria Night cooling starts where the actual outside temperature leaves the grey Room outside temp delta band setting value It ends where the actual outside temperature reenters the band 24 27 30 34 21 18 15 12 T C t t Nmin SpCCo...

Страница 80: ...of that room group For detailed information about the RXB RXL room controllers that support the Emergency override function refer to the relevant RXB RXL documentation The signal at digital input X4 is forwarded to the inputs Fire alarm off of two room groups x x x x x Q Q x x x 1 2 Raumgruppe 2 x x x x x Q Q x x x 1 2 N X1 x Y SIGNAL Y N X2 x Y SIGNAL Y N X3 x Y SIGNAL Y N X4 x Y SIGNAL Y N X5 x ...

Страница 81: ...ntrol unit can transmit to them via bus the smoke extraction signal for supply air extract air or supply air extract air operation The signal acts on the geographical zone of the relevant room group It has no impact on the operating mode of that room group For detailed information about the RXB RXL room controllers that support the Emergency override function refer to the relevant RXB RXL document...

Страница 82: ... digital input X2 x x x x x Q Q x x x 1 2 Raumgruppe 2 x x x x x Q Q x x x 1 2 N X1 x Y SIGNAL Y N X2 x Y SIGNAL Y N X3 x Y SIGNAL Y N X4 x Y SIGNAL Y N X5 x Y SIGNAL Y N X6 x Y SIGNAL Y Digital 3121Z04en SA EA SA EA Relay Setpoint prio Relay Setpoint prio Enable Enable 8 11 3 Troubleshooting Fault priority is always urgent Smoke extraction must always be acknowledged When the relevant external co...

Страница 83: ...operation selector intervention except during a wiring test Each input can be assigned a digital or analog signal Using switch on and switch off values an analog signal can be converted to an On Off signal Where Switching value on switching value off Transition from 0 1 Switching value on switching value off Transition from 1 0 A difference between switching value On and switching value Off repres...

Страница 84: ... 0 1 0 1 0 1 1 0 0 1 1 0 1 1 1 9 2 Activate the logic The logic is activated by configuring at least 1 input or the operation selector The type of internal logic A B and C can be configured via the Extra configuration menu The setting Operation selector in the operating line selects if the operation selector is displayed in the main menu at the user level The operation selector enables the user to...

Страница 85: ... texts is available at Sec 6 5 4 9 4 Setting values 9 4 1 Switching value On and Off The logic can process digital and analog signals Setting values Logic x switching value n on and Logic x switching value n off are used to convert a continuous signal to a 2 position on off signal Main menu Commissioning Settings or Main menu Settings Logic functions Logic 1 10 Operating line Range Factory setting...

Страница 86: ...1 10 Operating line Range Factory setting On time minimum 00 00 59 59 m s or 00 00 23 50 h m 00 00 m s See reference on time format in Sec 9 2 The minimum on time always takes effect after a switch on command 9 4 4 Minimum off time The minimum off time prevents aggregates from cycling too frequently Main menu Commissioning Settings or Main menu Settings Logic functions Logic 1 10 Operating line Ra...

Страница 87: ... 11 On by Switch off delay 12 On by Operation selector 13 On by logic inputs 9 7 1 Notes There is no hysteresis for an analog input of the logic block where the switching value On switching value Off If an error occurs at a configured input the Off state is issued for the entire logic block If only inputs are configured with logic A logic C is ignored and the signal of logic A is sent directly to ...

Страница 88: ...g function The measured value connected to logic A input 1 gives the switch on command for storage tank charging The measured value at logic B input 1 terminates charging Required configuration and setting values Operating line Comments Logic A function OR Logic B function NAND Logic C function AND Logic A switching value 1 on 30 C Logic A switching value 1 off 35 C Logic B switching value 1 on 65...

Страница 89: ...ollowing application example shows a solution for an RS flip flop N X2 N X1 N Q1 C N Q2 C NOR NOR Logic 1 Logic 2 Set Required configuration Operating line Comments Logic 1 Logic A function NOR Logic 2 Logic A function NOR Truth table for the RS flip flop Setting Reset Q Q State 0 0 X X Save 0 1 0 1 Reset 1 0 1 0 Setting 1 1 Undetermined ...

Страница 90: ...tion Not urgent These are fault messages that represent no direct risk to plant operation e g Outside temp sensor error The RMB795B central control unit differentiates between 3 types of fault acknowledgement None acknowledge acknowledge and reset For details see Sec 17 2 2 Alarm acknowledgement 10 3 Universal fault inputs Using function block Faults the RMS795B has 10 universal fault inputs at it...

Страница 91: ...ntial of data point Limit value fault on and Limit value fault off represents the hysteresis If data point Limit value fault on is set equal to Limit value fault off no fault status message will be generated The texts for the universal fault inputs are predefined by Fault input 1 to Fault input 10 They can be adjusted via operation Main menu Commissioning Settings or Main menu Settings Faults Faul...

Страница 92: ... viewed on the Info level under Fault status message bus 10 4 External fault button The fault block allows for connecting an external fault button The external fault button has the same function as fault button on the RMB795B Both can be operated in parallel The current alarm state can be externally indicated via the fault relay N X1 N X2 N X3 N X4 N X5 N X6 N X7 N X8 Faults Main menu Commissionin...

Страница 93: ...l the fault is acknowledged Fault via bus audible The fault relay only indicates device internal faults from the bus and remains active until the fault is acknowledged Inversion Yes In case of fault the relay is de energized No In case of fault the relay is energized Main menu Commissioning Settings or Main menu Settings Faults Fault relay 1 2 Operating line Range Factory setting Fault priority Ur...

Страница 94: ...es Function block faults 18 01 2012 10 6 Functional check wiring test During the time the wiring test is made the 2 fault relays can be activated directly Main menu Commissioning Wiring test Outputs Operating line Comments Fault relay 1 Off On Fault relay 2 Off On Wiring test ...

Страница 95: ... Controller 5 Controller 6 Controller 1 Controller 2 Controller 3 Controller 4 Controller 5 Controller 6 Heating circuit fan coil Fan coil room A Fan coil room B Fan coil room C DHW heating Heat demand Heat demand Heat demand Heat demand Heat requistion Heat distr zone source side 1 Heat distr zone consumer side 2 Heat distr zone source side 2 Heat distr zone source side 2 Heat distr zone source s...

Страница 96: ...eat distr zone consumer side 2 Heat distr zone consumer side 3 Heating circuit fan coil Fan coil room A Fan coil room B Fan coil room C DHW heating Setting values With this type of application the individual RXB RXL room controllers signal their heat demand indirectly to the heat source via the RMB795B central control unit This type of application is used for 2 reasons a From the RMB central contr...

Страница 97: ... 2 Refrigeration demand Refrigeration demand Refrigeration demand Refrigeration demand Refrigeration requistion Refrigeration requistion Refrig distr zone consumer side 1 Refrig distr zone consumer side 2 Refrig distr zone source side 1 Refrig distr zone source side 2 Refrig distr zone source side 2 Refrig distr zone source side 2 Setting values Setting values Manual changeover With the 2 pipe sys...

Страница 98: ...nu Settings Heat request Operating line Range Factory setting Limit value request on 0 100 10 Limit value request off 0 100 5 Heating flow setpoint 0 140 C 40 C Flow temperature reduction max 0 0 100 K 0 K Control action Slow medium fast Medium Evaluation of request Average maximum Maximum The request signals received heat demand or valve position are passed on only when they have exceeded the lev...

Страница 99: ...mers are covered It makes certain however that an individual consumer cannot force the flow temperature to high levels e g because a window was left open 11 3 Function block Heat demand 11 3 1 Purpose The function block generates a Heat demand signal that can be used by other devices The heat demand is provided in the form of the following signals Digital signal at output Q Heat demand relay Analo...

Страница 100: ...e for heat demand Temperatures below this level are interpreted as no heat demand As long as the flow temperature setpoint does not exceed the set limit value the output signal DC 0 V is sent When the limit value is exceeded the relevant output signal is sent until the setpoint is again below the limit value minus a hysteresis of 0 5 K Output signal Y DC 0 10 V for the heat demand corresponds to a...

Страница 101: ...e and activation The Refrigeration request function collects refrigeration requests from different devices on the bus From these signals a resulting preselected setpoint is determined chilled water flow setpoint which is passed on to other devices via the Refrigeration demand function block For the Refrigeration request function to become activated a refrigeration distribution zone must be assigne...

Страница 102: ...n is 90 the flow temperature will be increased If the valve position is 90 the flow temperature will be decreased The maximum flow temperature readjustment can be parameterized With valve positions 90 the current flow temperature is Chilled water flow temperature setpoint Flow temperature increase max To adapt the control system to the plant the control action of the flow temperature can be adjust...

Страница 103: ...to this output The refrigeration demand relay responds as soon as the bus requests refrigeration Meaning Contact open No refrigeration demand Contact closed Refrigeration demand Main menu Commissioning Extra configuration Demand for refrigeration Operating line Adjustable values remarks Refrigeration demand relay N Q1 N Q3 activation of output 11 5 3 Refrig demand modulating In addition to the ref...

Страница 104: ...alue should be at 12 C The diagram shows the parameters to be set and the progression of the refrigeration demand signals 11 0 10 Y V C 3121D03 7 8 9 10 12 6 2 1 3 13 14 TV 1 Setpoint in C at DC 0 V here 13 C 2 Setpoint in C at DC 10 V here 6 C factory setting 3 Limit value for refrigeration demand here 12 C factory setting 11 5 4 Communication Refrigeration demand can be transmitted over the bus ...

Страница 105: ... over via manual switch or via changeover thermostat in the flow Changeover by date If several changeover types are active the operating mode is determined by the following priority selection 1 Operating mode selector 2 H C changeover input 3 Heating cooling by calendar The preselection operating mode heating cooling is provided to the heat distribution zone and refrigeration distribution zone to ...

Страница 106: ...ting Cooling Auto 2 pipe heating cooling system Heating Cooling Meaning Auto Automation operation by H C changeover input or heating cooling by date Heating Set preselection to heating Cooling Set preselection to cooling Changeover by calendar Main menu Commissioning Extra configuration Heating cooling ch over Operating line Area Factory setting Heating cooling by calendar No Yes No Changeover is ...

Страница 107: ... off 1 and Heating off cooling on 0 must be set factory setting If at the same time changeover is configured by date and digital input the controller operates using the changeover by digital input 11 6 4 Operating principle If only the configuration parameter 2 pipe heating cooling system is activated collection of the demand signals is only made on the cooling or heating side If in addition H C c...

Страница 108: ...on demand 11 6 5 Lock time To prevent the refrigeration machine from switching on immediately following switch off of heat generation a locking time can be set Control is locked during the locking time so that no heat or refrigeration demand is generated and forwarded Excessive inlet temperature at the refrigeration machine can damage the refrigeration machine Main menu Commissioning Settings Heat...

Страница 109: ...an be switched directly Main menu Commissioning Wiring test Outputs Operating line Comments Heating cooling changeover relay Off Cooling On Heating 11 6 8 Troubleshooting The controller continues to apply the last received value if in a 2 pipe system the changeover signal Heating cooling is not on the bus If there has never been a signal Heating is used as the default value No Text Effect 5801 H C...

Страница 110: ...start up behavior Time related specifications such as overshoot time when using electric heating coils Conduct function and communication tests of room control and the corresponding volume flow controllers KNX communications between the primary air handling unit and individual room control Data exchange of heat and refrigeration demand signals and request signals temperature or pressure control ar...

Страница 111: ...er No Text Effect 3931 Simulation VAV supply air Non urgent message must not be acknowledged 3932 Simulation VAV extract air Non urgent message must not be acknowledged A fault message Smoke extraction or Fire can be triggered on other decentralized air handling units e g RMU7x0 GT A during simulation if the time switch program is received by the RMB T swi Slave Apart corresponds to a room group z...

Страница 112: ...oning Communication Basic settings Operating line Range Factory setting Device address 1 253 1 255 255 bus power supply decentral Off On On Clock time operation Autonomous slave master Autonomously remote setting clock slave Yes no Yes remote reset of fault Yes no No Each bus member requires an individual device address Device addresses 254 and 255 are reserved for special functions Device address...

Страница 113: ... mode Same room temperature setpoint By definition the address of a geographical zone is made up as follows Apartment Room Subzone With the room groups it is only the apartment number that needs to be set Room and subzone use a fixed setting 1 Main menu Commissioning Communication Room group 1 10 Operating line Range Factory setting Geographical zone apartm 1 126 Room group 1 1 Room group 2 2 Room...

Страница 114: ...ec 8 9 These rooms must then be in the same room group geographical zone apartment as defined for the room group For this reason for choosing the reference rooms it is not possible to set the Geographical zones apartment but only the Geographical zones Room Each reference room can be assigned individual text Main menu Commissioning Communication Room group 1 10 Reference room 1 3 Operating line Ra...

Страница 115: ...tion zones Safety relevant plants and facilities e g fire alarm off smoke extraction frost protection function If simultaneous start behavior of plants is requested Applications where the loss of communication of transmission and reception zones can cause damage Controlled systems of a time sensitive or highly complex manner e g speed control via pressure humidity Main controlled variable that mus...

Страница 116: ...is value is sent as a transmission object via an analog input and processed by an RMB795B device 2 The following transmission and reception zones are engineered for example tasks RMB795B device 1 RMB795B device 2 Value Terminal Transmissi on zone Terminal Reception zones N Y1 1 N X1 1 Indoor air quality Transmit Receive In RMS705B device 1 the following is configured Main menu Commissioning Commun...

Страница 117: ...and reception zones are engineered for example tasks RMU7x0B device 1 RMS705B device 2 Value Terminal Transmission zone Terminal Reception zones N Q1 1 N X1 1 Release rooftop fan Terminal Reception zones Terminal Transmission zone N X1 2 N Q2 2 Operating message rooftop fan Transmit Receive In RMS705B device 1 the following is configured Main menu Commissioning Extra configuration Input identifier...

Страница 118: ... LTE transmission zones Operating line Range Factory setting N Q1 2 Main menu Commissioning Communication LTE reception zones Operating line Range Factory setting N X1 1 C Zone 2 Zone 1 Logic 1 Unit 1 Unit 2 In the event an input is to receive as signal from the bus and this signal is unavailable the fault message X sensor error is sent after a period expires ca 30 minutes No Text Effect 5902 1 id...

Страница 119: ...iguous reference Updating of values can take a few seconds During this period of time the values are displayed as Data points not available in the room controller are also displayed as If the RMB RXL is operated in an interconnected device system with a line couple and is in another area the corresponding line couples must be set to Route all route by the corresponding GeoZones Main menu RXB RXL o...

Страница 120: ...room group configuration parameter Setpoint priority RMB central control unit is set to Yes the setpoints are supplied by the room group and the individually adjusted values will be overwritten again If on one of the RXB RXL room controllers the Slave function is selected the setpoints can only be preselected conditionally because they are coupled with the master s setpoints This means that only t...

Страница 121: ...ing illustration shows a 24 hour view on the operator unit with primary trend curve and reference curve for an extra channel The current 24 hour views 8 minutes 8 hours 24 hours show the date and the current value of the primary trend curve at the top The primary trend curve is shown as a solid line the reference curve as a dotted line The Y axis label refers to the settings of the primary channel...

Страница 122: ...room temperature is logged can be set via the Geographical zone To acquire the outside temperature via bus set the relevant Outside temperature zone The Y axes can be scaled for each trend channel Data points Y axis min and Y axis max refer to the value display and must be set according to the expected signal range If the current values lie outside the adjusted range there will be no trending A se...

Страница 123: ...nd those of the last 6 days are retained 15 2 Meters Meters are used to acquire consumption values 4 independent meters are available Pulses from gas hot water cold water and electricity meters are processed The pulse values represent Energy in kJ MJ GJ Wh kWh and MWh Volume in m3 l or ml Variables without unit 0 3 decimal places Heat cost unit BTU The pulses are converted to consumption values ac...

Страница 124: ...ulse from a pulse source corresponds to a specific consumption value The pulse valency is imprinted on the meter The pulse valency must be entered as a numerator and denominator Pulse valency 20 liters pulse Your setting Pulse valency numerator 20 Pulse valency denominator 1 Pulse unit Liter Pulse valency 3 33 Wh pulse Your setting Pulse valency numerator 10 Pulse valency denominator 3 Pulse unit ...

Страница 125: ...adings The current meter reading the date and the reading of the last 15 months are displayed Main menu Data acquisition Meter 1 4 Operating line Comments Meter reading current 0 999 999 999 Unit As per configured display format Readout 1 date Readout 1 meter reading Readout 15 date Readout 15 meter reading The following operating lines apply analogously to meters 2 through 4 The monthly values ar...

Страница 126: ...me battery powered or mechanical meters continue metering in the event of a power failure During a power failure that affects the RMS795B the pulses will not be counted Restart occurs after exiting the Extra configuration menu or after power failure Pulses received between the last storage operation and the restart are not counted ...

Страница 127: ...b server we recommend deactivate function This measure should be taken to keep the bus load as low as possible 16 2 Activate function To activate device supervision must be switched on via the operating line Function Main menu Commissioning Device supervision Operating line Range Factory setting Function Off On Off When the function is deactivated no periodic supervision telegrams are sent via the...

Страница 128: ...does not occur when the list is empty and the number of identified devices is 0 accordingly 16 4 Read device list The list of assigned and supervised devices per room group can be read Main menu Room group 1 10 Device supervision Operating line Adjustable values remarks Number devices current Number of RXB RXL room controllers and RDF RDG RDU room thermostats assigned to the room group Zone Apart ...

Страница 129: ... urgent message must be acknowledged 4543 Dev sup r grp 5 Non urgent message must be acknowledged 4553 Dev sup r grp 6 Non urgent message must be acknowledged 4563 Dev sup r grp 7 Non urgent message must be acknowledged 4573 Dev sup r grp 8 Non urgent message must be acknowledged 4583 Dev sup r grp 9 Non urgent message must be acknowledged 4593 Dev sup r grp 10 Non urgent message must be acknowled...

Страница 130: ...flow balancing VAV 3932 Simulation VAV extract air Ditto 4501 Room temperature Limit val and R grp 1 see 8 6 Temperature supervision Ditto 4591 Room temperature Limit val and R grp 10 Ditto 4502 Room temperature Limit val or R grp 1 Ditto Ditto 4592 Room temperature Limit val or R grp 10 Ditto 4503 Device supervision room grp 1 See 16 Device supervision Ditto 4593 Device supervision room grp 10 Di...

Страница 131: ...ts 9001 9010 Fault inp 1 fault Fault inp 1 fault Ditto 17 2 Troubleshooting 17 2 1 Fault indication Fault status messages delivered to the RMB795B central control unit are indicated by the LED in the fault button This button can be used to acknowledge fault status messages Meaning Fault status message Message ackn LED status Fault pending no Flashing Fault pending yes Lit Also applies to fault sta...

Страница 132: ... be acknowledged and reset The alarm remains after you have acknowledged it until the fault signal is no longer present Only then can you reset the alarm After resetting the LED in the fault button extinguishes Example A fire alarm off must be acknowledged and reset To prevent regeneration of the fault message each time the plant is started the message is merely acknowledged The fault status messa...

Страница 133: ...the Commissioning menu to the Main menu The operator unit displays Caution Invalid settings start not possible How do I restart the device The configuration was not completely downloaded via the service tool OCI700 1 Reload the configuration with the service tool OCI700 1 or reconfigure the device via the operator unit Fault status message N X4 sensor error cannot be acknowledged When the Commissi...

Страница 134: ...oltage side Mains voltage side Power supply AC 24 V Konnex bus Power supply AC 230 V Double terminal with internal connection Auxiliary terminals in the control panel 2 speed fan Passive sensor signal source contact sensing Active sensor signal source Actuator DC 0 10 V 3121A01en Each terminal cage terminal can accommodate only 1 solid wire or 1 stranded wire 1 2 3 1 Strip wire length 7 8 mm with ...

Страница 135: ... outputs N O for AC 24 230 V Q5 Potential free relay outputs N O for AC 24 230 V CE KNX bus data line positive CE KNX bus data line negative 18 2 2 Universal modules RMZ785 X3 M X4 M G1 X2 M G1 M X1 3146G03 X7 M X8 M X6 M G1 M X5 RMZ785 M Measuring neutral for signal input X1 X8 Universal signal inputs for LG Ni 1000 2x LG Ni 1000 averaging T1 Pt 1000 DC 0 10 V contact sensing potential free 18 2 ...

Страница 136: ...rmation LCD Liquid crystal display LED Light emitting diode HMI Human machine interface SpC Cooling setpoint SpCCmf Comfort cooling setpoint SpCEco Economy cooling setpoint SpH Heating setpoint SpHCmf Comfort heating setpoint SpHEco Economy heating setpoint SpSu Supply air temperature setpoint t Time OT Outside temperature tNmin Operating time min for night cooling TR Room or exhaust air temperatu...

Страница 137: ...an input is connected the controller presents only the possible units on the display Alarming for inputs is only active if the input is connected prior to the end of commissioning Order of configuration First basic configuration then extra configuration First the input identifiers then the operating modes with all control functions Possible wiring Always from the arrow to the line From function to...

Страница 138: ...tions are taken directly from the central control unit SIGNAL Y For sensors with passive signals at an input terminal that cannot be passed on to another device via bus as described in subsection 7 2 6 Multiple use of sensors N X1 x Y SIGNAL Y TA Outside temperature Outside temperature sensor as described under 7 2 Analog inputs for the following functions Summer winter compensation Release night ...

Страница 139: ...nctions Configuration Function 1 2 2 1 A B 3 C Input Logic function Operation selector Relay output Digital output 10 logic blocks logic 1 to 10 Generation of digital signal from continuous input signals Selectable logic for logic A B and C Selectable operation selector Delay times can be set for output signal Selectable time formats Heat demand refrigeration demand Configuration Function Q Y Rela...

Страница 140: ...m of basic type B RMZ787 1 N Q3 N Q5 N Y1 N Y2 N X1 RMZ787 2 N Q1 N Q2 N X2 N X3 N X4 N X5 N X6 RMZ785 Raumgruppe 2 Raumgruppe 7 23 1 2 2 1 A B 3 C 1 2 2 1 A B 3 C 1 2 2 1 A B 3 C 1 2 2 1 A B 3 C 1 2 2 1 A B 3 C 1 2 2 1 A B 3 C 1 2 2 1 A B 3 C 1 2 2 1 A B 3 C 1 2 2 1 A B 3 C 1 2 2 1 A B 3 C Input identifier Heat demand Refrigeration demand Faults H C changeover ...

Страница 141: ...3 1 X2 2X X 10X X X 1 X 1 1 1 1 1 1 2 1 1 2 1 1 2 2 1 2 3 1 2 4 1 with own room sensor X1 2X X X X X X X X Time switch operation Autonomous Slave Master X1 2X X Time switch slave apartment 1 126 1 1 X1 2X X X 1 1 1 1 1 2 1 1 2 1 1 2 1 1 2 1 1 Temperature control Master Slave X Master Master Master Master Master Control strategy Caskade Constant Alternating X4 Combination of room control Master Sla...

Страница 142: ...mation 36 Device name 42 Device supervision Device list 129 Fault status messages 131 Function 129 Display contrast 42 Display meter readings 127 Distribution zones applications 97 E Engineering and commissioning guidelines 26 Error fault code list 132 External fault button 94 F Fault indication 133 Fault inputs 92 Fault priorities 92 Fault text 93 Faults function block 92 Faulty relay 1 2 94 File...

Страница 143: ...g protocol 24 143 Product documentation 13 Product range 10 Pulse 52 Pulse valency 126 R Reference rooms 74 Refrigeration demand Output modulating 105 Refrigeration demand relay 105 Transmission 106 Room group function block 57 Room groups application example 21 room groups definition 21 Room operating mode Select via menu 59 Selection using QAW740 63 Selection via digital inputs 60 Room operating...

Страница 144: ...1P3122en Building Technologies 18 01 2012 Siemens Switzerland Ltd Sector Infrastructure Cities Building Technologies Division Gubelstrasse 22 6301 Zug Switzerland Tel 41 41 724 24 24 www siemens com sbt 2012 Siemens Switzerland Ltd Subject to change ...

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