All real signals have scale factor 10. Integer, Index and Logic has always scale factor 1.

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1 STRA communication The types of the signals (types in the list below): 1 = Coil Status Register ( function = 1, 5 and 15) - 0x 2 = Discrete Input ( function = 2) - 1x 3 = Holding Register ( function = 3, 6 and 16) - 4x 4 = Input Register ( function = 4) - 3x Supported functions: 1 = Read Coils 2 = Read Discrete Input 3 = Read Holding Register 4 = Read Input Register 5 = Write Single Coil 6 = Write Single Register 15 = Write Multiple Coils 16 = Write Multiple Registers Scale factor All real signals have scale factor 10. Integer, Index and Logic has always scale factor 1. EXOline/ The STRA controller automatically switches between EXOline and depending on the present communication type, without any communication error. wiring etc. A protocol such as consists of several layers (OSI-model). The bottom layer is always the physical layer, of wires and signal levels. The next layer describes the communication digits ( of data bits, stop-bits, parity etc). Then come the layers describing the specific functions ( of digits per message, the meaning of different messages etc). For, the bottom layer can be RS485, RS422 or RS232. RS485 & RS42 RS485 and RS422 are the electric part of the protocol, i. e. the physical layer. RS485 has two connections, A and B. Often there is also a protective earth (N on EXO controllers). RS485 units are connected A to A and B to B. You may have to shift A and B in order for to work. RS485 is so called half duplex communication: Communication can only go in one direction at a time; i. e. the master will first send an enquiry and will thereafter listen for the reply. A and B are used for both transmission and reception. RS422 is a full duplex communication which means you need 4 wires, 2 for transmit (Tx+ and Tx-) and 2 for receive (Rx+ and Rx-). Tx is used to transmit and Rx to receive, which means that Tx in one unit must be connected to Rx in the other and vice versa. As for signal levels etc. RS422 and RS485 are identical. To interconnect RS485 and RS422: On the RS422 unit connect Tx+ with Rx+ and Tx- with Rx-. We have now changed a 4- wire system to a 2-wire system and can connect them to A and B on the RS485 unit. Which goes where is something you most often need to find out by trial and error. Incorrect polarity will just give nonfunction but cannot harm either unit. Tx A (or B) Rx Tx B (or A) Rx Bitrate, two stop bits, parity is the next layer. These settings must correspond to the settings in the master unit. Find out how the master is set and then give the Controller the same settings. Parity can be set to odd, even (FS) or none. If none is chosen, two stopbits will automatically be used. If odd or even is chosen only one stop-bit is used otherwise there will be too many bits altogether: 1 start-bit, 8 data-bits, 1 parity-bit and 1 stop-bit give a total of 11 bits which is maximum. 1 (10) Specifications are subject of alteration without further notice.

2 BACnet objects The fundamental building blocks of the BACnet standard and represent data that originates in physical inputs, physical outputs or software processes. Object types Binary Input Binary Value Analog Input Analog Value Multi-state Input Multi-state Value P Loop Device Services BACnet services are the messages that BACnet devices send to each other. Categories of Services Alarm and Event File Access Object Access Remote Device Management Virtual Terminal Service menu BACnet communication is enabled by simultaneously pressing the up and down arrow keys on the room controller. When the text SERVICE is displayed, press the up arrow key twice. Use the up/down arrow keys to navigate to the appropriate parameters. s Figure 1: Default BACnet s 2 (10) Specifications are subject of alteration without further notice.

3 Settings BACnet MS/TP configuration 0 - EXOline / BACnet MS/TP 9600 P BACnet MS/TP BACnet MS/TP BACnet MS/TP BACnet MS/TP MAC address P master addresses Slave addresses P116 BACnet device (Least significant digits) P117 BACnet device (Most significant digits) P118 Maximum # of masters (default = 127) Wiring The MS/TP communication protocol uses EIA-485 signalling over twisted pair wiring. Connect pin 42 to the RS485 (DATA - / A) bus connector. Connect pin 43 to the RS485 + (DATA+ / B) bus connector. NOTE: Use appropriate bus termination and bias resistors. The RS485 standard allows for the connection of 32 devices on the bus with a maximum cable length of 1200 meters for the lower baud rates. 3 (10) Specifications are subject of alteration without further notice.

4 STRA communication 0x 1 Boost Mode RC_Setp_L.RegioBypass 0x 2 Energy Saving Mode RC_Setp_L.RegioShutDown 0x 3 0x 4 0x 5 60 Normally open / Normally closed DI1 0x 6 61 Normally open / Normally closed DI2 0x 7 62 Normally open / Normally closed UI1 0x 8 73 Heating output 0x Fan runs on low speed (Not in use) 0x Cool output 0 = For N/C-actuator, 1 = For N/O-actuator 0 = N/O, 1 = N/C 0 = N/O, 1 = N/C 0x Reset com to factory default ( 9K6, 8, N, 1) 0x of STRA 0 = STRA-04, 1 = STRA-14 0x Legacy Mode, set to 0 to use the old wiring terminal order 0: UO2 Pin 24, UO3 Pin 22 1: UO2 Pin 22, UO3 Pin 24 1x 1 1x 2 Digital input 1 1x 3 Digital input 2 1x 4 UI1 1x 5 1x 6 DO1 Output 1x 7 DO2 Output 1x 8 DO3 Output 1x 9 DO4 Output 1x 10 DO5 Output 1x 11 UO1 1x 12 UO2 1x 13 Window Input RC_Actual_L.RegioDIOpenWindow 1x 14 Condensate Input RC_Actual_L.RegioDICondenseAlarm 1x 15 P.I.R Input RC_Actual_L.RegioDIPresences 1x 16 Changeover DI RC_Actual_L.RegioDIChangeOver 1x 17 Indicate Fan Speed 1 1x 18 Indicate Fan Speed 2 1x 19 Indicate Fan Speed 3 1x 20 Forced Vent RC_Actual_L.RegioForcedventilation 1x 21 Heat PWM RC_Actual_L.RegioCVHeatPulsProp 1x 22 Cool PWM RC_Actual_L.RegioCVCoolPulsProp 1x 23 Increase Heat RC_Actual_L.RegioCVHeatInc 1x 24 Decrease Heat RC_Actual_L.RegioCVHeatDec 1x 25 Increase Cool RC_Actual_L.RegioCVCoolInc 1x 26 Decrease Cool RC_Actual_L.RegioCVCoolDec 1x 27 Changeover AI 1x 28 Changeover AI & DI RC_Actual_L.RegioChangeOverState 1x 29 Room temperature sensor alarm RC_Actual_L.RegioRoomTempSensorAlarm 1x 31 P.I.R Status RC_Actual_L.RegioDICO2 1x 32 High room temp alarm RC_Actual_L.RegioRoomTempHighTempAlarm 1x 33 low room temp alarm RC_Actual_L.RegioRoomTempLowTempAlarm 1x 34 4 (10) Specifications are subject of alteration without further notice.

5 3x 1 Software 0 = RCP, 1 = RC 3x 2 Major Version 3x 3 Minor Version 3x 4 Branch Version 3x 5 Revision RC_Actual_X.RegioFanSwitch 3x 6 Indicate Fan Switch State 3x 7 Indicate Current Unit State 1 = Occupied, 2 = Stand-by, 3 = Occupied, 4 = Bypass RC_Actual_X.RegioUnitState 3x 8 Indicate Current Controller State 1 = Heating, 2 = Cooling RC_Actual_X.RegioControllerState 3x 9 Indicate Current Fan Speed RC_Actual_X.RegioFanSpeed 3x 10 3x 11 Room Temp C RC_Actual_R.RegioRoomTemp 3x 12 Ext Room Temp C 3x 13 Int Room Temp C 3x 14 Changeover Temp C RC_Actual_R.RegioAIChangeOver 3x 15 Ext Temp Value C RC_Actual_R.RegioAnaIn1 3x 16 UI1 Value C RC_Actual_R.RegioUAnaIn1 3x 17 Heat Out Value V RC_Actual_R.RegioUAnaOut1 3x 18 Cool Out Value V RC_Actual_R.RegioUAnaOut2 3x 19 Internal Setpoint Adjustment C RC_Actual_R.RegioSetPAdjustment 3x 20 Controller Setpoint C RC_Actual_R.RegioPSetP 3x 21 Controller Out RC_Actual_R.RegioPOutput 3x 22 Heat Output RC_Actual_R.RegioHeatOutput 3x 23 Cool output RC_Actual_R.RegioCoolOutput 3x 24 Ext Temp Raw Value C 3x 25 UI1 Raw Value C 3x 26 Damp Out Value 3x 27 Damp Out Value V 3x 32 CO 2 Input PPM RC_Actual.RegioRoomCO2 3x High 4 digits of the serial 3x Mid 4 digits of the serial 3x Low 4 digits of the serial 3x 53 Version 5 (10) Specifications are subject of alteration without further notice.

6 4x 1 4x 2 * 1 75 Free Cooling 4x Free Cooling 4x 3 63 Heating Manual Override 4x 4 64 Cooling Manual Override 4x 5 Fan Mode 4x 6 50 Fan Control (Not in use) 4x 7 51 Fan Speed 1 Limit (Not in use) 4x 8 52 Fan Speed 2 Limit (Not in use) 4x 9 53 Fan Speed 3 Limit (Not in use) 4x Fan Start/Stop Hysteresis (Not in use) 4x Fan Speeds 4x x Forced ventilation Manual Override Changeover Manual Override 4x 14 * 1 47 BMS Operating Mode 4x 15 * 1 45 Normal Mode Function 4x 16 * x 17 Energy Saving Mode Function Function button shutdown delay 4x 18 * 1 11 Heating/Cooling Functions 4x 19 * x 20 * x 21 * x 22 * 1 37 Heating Modulating Actuator Control Cooling Modulating Actuator Control Heating Valve Periodic Exercise Interval Cooling Valve Periodic Exercise Interval 4x 24 * 1 15 Connected sensor on AI1 0 = Not Available, 1 = Available 0 = Not Available, 1 = Available 1 = Manual, 2 = Auto 1 = Manual, 2 = Auto 1 = Manual Speed 1, 2 = Manual Speed 2, 3 = Manual Speed 3, 4 = Auto 0 = No Control, 1 = Heating, 2 = Cooling, 3 = Both 1 = Manual, 2 = Auto 0 = Heating, 1 = Cooling, 2 = Auto 1 = Unoccupied, 2 = Standby, 3 = Occupied, 4 = Not Used, 5 = No Remote control 1 = Unoccupied, 2 = Stand-by, 3 = Occupied 1 = Unoccupied 0 = Heat, 1 = Heat/Heat, 2 = Heat or Cool via changeover, 3 = Heat/Cool, 4 = Heat/Cool with VAV and forced ventilation, 5 = Heat/Cool with VAV, 6 = Cool, 7 = Cool/Cool, 8 = Heat/Cool with UO3, 9 = Heat/Cool with Change- Over 0 = 0-10v, 1 = 2-10v, 2 = 10-2v, 3 = 10-0v 0 = 0-10v, 1 = 2-10v, 2 = 10-2v, 3 = 10-0v 0 = Inactive hr 0 = Inactive hr 0 = internal, 1 = external, 2 = Change over sensor s RC_Setp_X.RegioHeatOutputSelect RC_Setp_X.RegioCoolOutputSelect RC_Setp_X.RegioFanSelect RC_Setp_X.RegioForcedVentSelect RC_Setp_X.RegioChangeOverSelect RC_Setp_X.RegioRemoteState 6 (10) Specifications are subject of alteration without further notice.

7 4x 25 * 1 81 AI2 Input 0 = Disable, 5 = CO 2, 7 = 0-100, 8 = Flow calculation, 9 = 0-10V 0 = Disabled, 4x 27 * = Window contact, Connected sensor DI1 Input 3 = P.I.R, 4 = Change over sensor 4x 28 * = Disabled, 1 = Window Contact, Connected sensor DI2 input 2 = Condensation Sensor, 4 = Change over sensor 4x 29 0 = Disabled, 4x 30 * 1 16 UI1 Signal 1 = Change over sensor digital, 2 = Change over sensor analogue 4x 31 4x 32 4x 33 4x 34 4x 35 DO1 Output 1 = Fan Speed 1 4x 36 DO2 Output 2 = Fan Speed 2 4x 37 DO3 Output 3 = Fan Speed 3 4x 38 DO4 Output 4 = Forced Vent 4x 39 DO5 Output 4x 40 4x 41 4x 42 * 1 20 Function of UO1 Signal 0 = None, 1 = Thermal actuator heat, 2 = None, 3 = Heating actuator V, 4 = None, 5 = On/off actuator heat, 6 = None 4x 43 * 1 21 Function of UO2 Signal 0 = None, 1 = None, 2 = Thermal actuator Cool, 3 = None, 4 = Cooling actuator 0 10V, 5 = None, 6 = On/off actuator cool 4x 44 * 1 69 Address 4x 45 * 1 70 Parity 0 = None, 1 = Odd, 2 = Even 4x 46 * 1 71 Timeout ms 4x 47 * 1 72 Response Delay ms 4x 48 HMI backlight Low 4x 49 HMI Backlight High 4x 50 HMI Contrast 4x 51 * 1 42 Display View 0 = Actual Temp Value, 1 = Heating Setpoint, 2 = Cooling Setpoint, 3 = Average of Heating/ Cooling, 4 = Only Setpoint Displacement, 5 = CO 2, 6 = Heating Setpoint + Setpoint Displacement, 7 = Cooling Setpoint + Setpoint Displacement, 8 = Average of Heating/ Cooling Setpoints + Setpoint Displacement, 9 = Calculated Flow in l/s 7 (10) Specifications are subject of alteration without further notice.

8 4x HMI Displacement View 4x 53 * 1 22 Function of UO3 Signal 4x 54 * x 55 * 1 77 Forced Ventilation control mode P.I.R Activated Operation Mode 0 = The offset, 1 = The active setpoint + offset, 2 = The heating setpoint + offset, 3 = The cooling setpoint + offset, 4 = Occupied Heating Setpoint + Offset, 5 = Occupied Cooling setpoint + Offset, 6 = Occupied Average + Offset 0 = None, 1 = Forced Vent Digital, 2 = Forced Vent 3 Step Analog, 3 = None, 4 = Ordinary Analog output, 5 = None, 6 = Control of EC-fan 0 = No Action, 1 = Forced on Heat/Cool output at 100, 2 = Forced on Cool output at = Occupied, 4 = Bypass 4x 56 * 1 12 Boost Mode Timer min 4x 57 * 1 13 P.I.R Delay Off min 4x 58 * 1 14 P.I.R Delay On min 4x 59 * 1 31 Heating Thermal Actuator Time s 4x 60 * 1 32 Cooling Thermal Actuator Time s 4x 63 4x 64 4x 65 4x 66 4x 67 4x 68 *10 1 Occupied Heating Setpoint C RC_Setp_R.RegioOccSetPHeat 4x 69 *10 2 Occupied Cooling Setpoint C RC_Setp_R.RegioOccSetPCool 4x 70 *10 3 Standby Neutral Zone C RC_Setp_R.RegioStandbySetPDeadBand 4x 71 *10 4 Unoccupied Heating Setpoint C RC_Setp_R.RegioUnOccSetPHeat 4x 72 *10 5 Unoccupied Cooling Setpoint C RC_Setp_R.RegioUnOccSetPCool 4x 73 *10 6 Frost protection Setpoint C RC_Setp_R.RegioFrostSetP 4x 74 *10 43 Highest Setpoint Offset Increase C 4x 75 *10 44 Lowest Setpoint Offset Decrease C 4x 76 Setpoint Adjustment C RC_Setp_R.RegioSetPOffset 4x 77 *10 7 P-Band C 4x 78 *1 8 I-Time s 4x 80 *10 9 Cooling Changeover difference temperature C RC_Setp_R.RegioAIChangeOverDiffCool (Room and media) 4x 81 *10 10 Heating Changeover difference temperature C RC_Setp_R.RegioAIChangeOverDiffHeat (Room and media) 4x 82 *10 56 External Temperature Sensor Calibration Gain AI1 C 4x 83 *10 57 Sensor Calibration Gain UI1 C 4x 84 *10 58 Internal Temperature Sensor Calibration Gain C 4x 85 *10 59 Filter factor for AI temperature C 4x Minimum airflow on cooling UO2 in of 0-10V. is in use when cooling/heating mode with VAV is selected. 4x Maximum airflow on cooling UO2 in of 0-10V. is in use when heating/cooling mode with VAV is selected. 8 (10) Specifications are subject of alteration without further notice.

9 4x 88 * x 89 *10 87 Alarm triggers when temperature falls below C RC_Setp_R.RegioRoomTempLowLimit Alarm triggers when temperature raise above C RC_Setp_R.RegioRoomTempHighLimit 4x 90 4x 91 4x 92 4x 93 *1 24 UO3 output in manual mode 4x 94 *1 67 Manual Mode Heating Output RC_Setp_R.RegioHeatOutputManual 4x 95 *1 68 Manual Mode Cooling Output RC_Setp_R.RegioCoolOutputManual 4x 96 Room Temp Remote RC_Setp_R.RegioRoomTempRemote 4x 97 4x 98 4x 99 4x 100 4x 101 4x 102 4x 103 4x 104 4x 105 4x 106 4x 107 4x 108 4x 109 4x 110 4x 111 4x 112 4x 113 4x 114 4x 115 4x 116 4x 117 4x 118 4x 119 4x 120 *1 104 CO 2 Sensor PPM for 0v PPM 4x 121 *1 105 CO 2 Sensor PPM for 10v PPM 4x 122 4x 123 4x 124 4x 125 *1 100 AI CO 2 Filter 4x 126 4x 127 4x 128 4x 129 4x 130 4x 131 4x 132 4x 133 *1 97 CO 2 Level to Change to Boost Mode PPM 4x 134 *1 98 CO 2 Level below "Boost Mode CO 2 Start" value to start Boost Mode Timer PPM countdown 4x 135 4x 136 4x 137 4x 138 4x 139 4x 140 4x 141 4x 142 4x 143 4x 144 4x 145 4x 146 *1 112 VAV CO 2 Minimum Limit PPM 4x VAV CO 2 Maximum Limit PPM 9 (10) Specifications are subject of alteration without further notice.

10 4x 148 Flow filter factor 81 = 8 4x 277 *1 82 Flow at 0 volt on AI2 (Not in use) 4x 278 *1 83 Flow at 10 volt at AI2 (Not in use) 4x 279 *10 38 Hysteresis for the heating thermostat function 4x 280 *10 39 Hysteresis for the cooling thermostat function 4x 281 *1 40 The minimum heat output in heating mode The lowest output the fan 4x will need to start (Not in use) 4x The highest speed of the fan (Not in use) 4x The room the STRA is placed 9999 = Not Used in IPSUM 4x The floor the STRA is placed at 9999 = Not Used in IPSUM 114 Port Mode 0 = EXOline/, 1 = BACnet 115 BACnet address Above 127 = Slave 116 BACnet device low 4 figures 117 BACnet device high 3 figures 118 BACnet Max Master Com bus speed: 0 = 9600, 119 Baudrate 1 = 19200, 2 = 38400, 3 = (BACnet) 1939 = STRA-07, 125 The Model in Regin Range 1943 = STRA-04/STRA-24, 1945 = STRA-14 l/s RC_Setp_R.RegioFLow_0V l/s RC_Setp_R.RegioFlow_10V K K RC_Setp_R.RegioThermostatHystHeat RC_SetpExt_R.RegioThermostatHystCool RC_Setp_RegioMinHeat V V Read Only 10 (10) Specifications are subject of alteration without further notice.