RXT20.1 Service terminal
Contents
1. EN 61000 6 2 EN 61000 6 3 89 336 EWG NCS 0502 Y14R Operator controls RAL 7035 Excluding packaging 0 13 kg R1 R1 RXT20 1 service terminal A Connection to DESIGO RXB A RXC controller or QAX room unit Bus PPS2 L B Bus connection B 1 A RXC for RXT10 commission Bus 7 ing and service tool ca A5 orm RJ45 RXB for KNX EIB bus RXT20 1 Service terminal CA2N3851en_02 12 01 2007 5 6 Pin layout of RJ45 12345678 1 LONWOoRKS Bus DESIGO RXC CLA EIB Bus DESIGO RCB CE connector 2 LONWORKS Bus DESIGO RXC CLB EIB Bus DESIGO RCB CE 3 Notused A 4 Not used 8 5 Not used 6 Not used 7 CP PPS2 data 8 CP PPS2 data The same pin layout applies to the tool socket Connection diagram The built in connecting cable with an RJ45 connector is used to connect the service terminal to the tool socket of a DESIGO RXB RXC controller or to a QAX room unit The service terminal communicates with the controller via the PPS2 interface Addition ally the bus is looped through the service terminal RXC this enables a PC for the RXT10 service tool to be connected to the tool socket of the service terminal A Caution For correct operation of the service terminal there must always be a room unit connected to the controller PPS2 communication is not possible without a room unit Options for connecting the RXT20 1 service terminal 1 To QAX room un2. pin Varies according to the DESIGO RX application 3 Controller ready for operation run and cycling cursor Display Description Normal operation between controller and room unit run ican e Display reads run The room unit with the set address see Address switch communi Rie ease cates with the controller The run display can be overwritten by other displays see Additional information e Cycling cursor 1 s pulse The controller communicates or tries to communicate no communication or controller not ready e Static display in all cursor fields ll There is no room unit connected or the controller is not ready for operation but the power supply is working controller in start up phase or no application loaded or controller not configured Faulty controller e No display The power supply is not connected or the controller is faulty Additional information Display Description r J Wink command e Controller type displayed for 64 s e g RXC30 1 r 30 or RXB21 1 r 21 Press the right key Function key 2 to switch back to the original display before expiry of the 64 s The display of the wink command takes priority over all other display options on the service terminal The wink command can be used during commissioning to identify the currently addressed controller RXC see RXT10 user manual document CA110338 RXB see ETS user manual ees Room temperature operati
3. Interfaces Cable connections Housing protection standard Protection class Environmental conditions Industry standards Dimensions Colour Weight Internal diagram Building Technologies Operating voltage The service terminal receives its supply from the connected controller via the PPS2 interface SELV low voltage in accordance with HD 384 Power consumption controller Display Type Functions displayed Function keys Interface between controller and service terminal Baud rate Cable for connection to controller or room unit Cable length Protection standard to EN 60529 Insulation protection class Operation Climatic conditions Temperature Humidity Mechanical conditions Transport Climatic conditions Temperature Humidity Mechanical conditions Electromagnetic compatibility Interference immunity Emitted interference Meets the requirements for CE marking EMC Directive see Dimensions Housing cover DC 12 15V Max 0 10 VA LCD Controller and room unit status Wink function Additional information of the room unit Function key 1 Error message display Function key 2 Remote operation of service pin and display of additional information of the room unit PPS2 point to point interface Version 2 4 8 kBit s Built in Approx 15 cm IP 30 Il IEC 721 Class 3K5 0 50 C lt 85 rh Class 3M1 IEC 721 Class 2K3 25 70 C lt 95 rh Class 2M2
4. SIEMENS 3 DESIGO RX Service terminal RXT20 1 Bu er Services d Pin i Hand held service terminal with built in connecting cable Controller and room unit status display Remote operation of DESIGO RXB and RXC room controller service pins NOT SUITABLE FOR RXB VERSION 2 36 AND HIGHER e Error message display e Room temperature display operating mode and temperature setpoint adjustment PPS2 interface to controller Socket for commissioning and service too Use The RXT20 1 service terminal is used for simple diagnostics of room controllers and room units and for remote operation of the DESIGO RXB and RXC controller service pins The built in connecting cable of the service terminal is plugged directly into the roomcontroller to be interrogated or into the room unit of the controller concerned The service terminal displays the status of the controller and room unit the wink func tion error messages or additional information of the room unit The service pin of the connected DESIGO RXB RXC controller can be operated re motely with the function keys on the service terminal This function is especially useful for addressing controllers installed in concealed locations The service terminal also incorporates a RJ45 socket for the bus RXC for RXT10 commissioning and service tool LONWORKS bus connection RXB for KNX EIB bus connection not for Version 2 36 and higher Ordering When placing an order ple
5. ase specify the quantity product name and type code Example 1 Service terminal RXT20 1 Mechanical design Essentially the service terminal consists of the housing the base plate and the cable for connection to the controller or room unit The housing and the base plate are connected by a snap fitting mechanism Building Technologies RXT20 1 Service terminal CA2N3851en_02 12 01 2007 1 6 Elements for operation and display Function key 1 Function key 2 CA2N3851en_02 12 01 2007 2 6 The housing accommodates a printed circuit board the function keys LCD and a socket for the commissioning and service tool Connecting cable Base plate Housing SIEMENS Service Pin Lands amp Staota Action Press or key Action Press left key Service pin Press right key K j Socket for RXT10 commis sioning and service tool 90044 A Displays room unit status wink function error messages or additional information of the room unit Function key 1 Error message display Cursor Controller status indication Function key 2 Displays remote operation of service pin and additional information of the room unit Description Press once to display any existing error messages The error with the highest priority is displayed for 5 s For error codes see LCD display Description The service pin is used to address the controllers when commis s
6. ioning the system RXC refer to the RXT10 user manual document CA2110338 RXB refer to the ETS manual This function of the service terminal is especially useful for ad dressing controllers in concealed locations where direct access to the service pin is difficult For this purpose the service terminal is connected to the room unit of the controller concerned Press this key on the left side for at least 1 5 s for remote opera tion of the service pin of the connected DESIGO RXB RXC con troller While service pin operation is in progress the LCD display is blank The controller room unit and service terminal will then re start ready for operation after approx 3 5 minutes Varies according to the DESIGO RX application 1 key press Room temperature display in C 2 key press Room temperature display in F 3 key press Setpoint adjustment display in C 4 key press Setpoint adjustment display in F 5 key press Return to original display e g run RXT20 1 Service terminal Building Technologies LCD display If the service terminal is connected to a DESIGO RXB RXC controller the start up rou Response at start up tine is as follows Step Description 1 All segments activated for approximately 5 s 2 Cursor fields may be activated for max 10 s approx 3 5 minutes on controller power up e g after operation of service
7. it 2 To RXC room controller 3 Not possible without QAX Dimensions All dimensions in mm Q 2 y 32 lt _ 34 lt gt 2000 2007 Siemens Switzerland Ltd Subject to change CA2N3851en_02 12 01 2007 RXT20 1 Service terminal Building Technologies 6 6
8. on mode e Room temperature in C or F see Function key 2 OMESESES The displayed operation mode Stand by Auto fan speed comes from the room unit The same applies to the displayed room temperature there is no tem perature sensor in the service terminal itself Building Technologies RXT20 1 Service terminal CA2N3851en_02 12 01 2007 3 6 Static error messages Dynamic error mes sages Room temperature Address switch Note Disposal psd CA2N3851en_02 12 01 2007 z T g Temperature setpoint cee e Temperature setpoint in C or F see Function key 2 The displayed temperature setpoint comes from the room unit Display Description The address of the service terminal has not been set correctly see Hex switch Dynamic error messages are displayed for 5 s when they occur The error message remains in memory while the error persists The message can be re displayed for 5 s using Function key 1 If there is more than one error the error with the highest priority will be displayed The table below shows the error messages in order of priority Display Description F IS There has not yet been any communication between the room unit and the controller e g during the controller power up phase l The controller does not recognise the room unit type ra oo C Communication between controller and room unit is interrupted 02 Firmware version of the service te
9. rminal e g Version 2 0 ca mo Error open circuit or short circuit affecting the potentiometer or tem perature sensor of the connected room unit om Display Description elas Room temperature in C or F see Function key 2 The displayed room temperature is the temperature measured by the room unit there is no temperature sensor in the service terminal itself The service terminal must have the same PPS2 address as the room unit address 1 12 in order to display any of the information described above The QAX3 room units are all factory set to Address 1 The service terminal is also factory set to Ad dress 1 The address can be changed if necessary Service terminal hex switch on the back of the housing remove base plate for access Room unit Address plugs If an invalid address is set e g O the error message E16 will be displayed If the address of the service terminal and the room unit are not the same or if several devices are communicating the normal operation display will show 12 extra points one for each possible address The points that stand for actively communicating de vices are flashing The device includes electrical and electronic components and must not be disposed of as domestic waste Current local legislation must be observed RXT20 1 Service terminal Building Technologies 4 6 Technical data Power supply Function data
Download Pdf Manuals
Related Search