CLIMATIX STEQ, STCM DATASHEET FOR CONTROLLING, SWITCHING AND MONITORING FUNCTIONS. POWER SUPPLY RELAY OUTPUTS. Power supply. 4.

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1 CLIMATIX STEQ, STCM DATASHEET FOR CONTROLLING, SWITCHING AND MONITORING FUNCTIONS. 4. Relays Power supply 2. Relays 8. Universal Inputs/ Process Bus (KNX) RS485 (Modbus) Tool (USB) Ethernet Tool (USB)/ HMI (RS485) 2. Analog Inputs 5. Digital Inputs POWER SUPPLY 0 V, AC/DC 24 V Operating voltage AC 24 V ±20 % DC 24 V ±10 % Frequency Power consumption Max. Current consumtion of Controller Max. Current for Extension-Modules Hz ca. 15 VA (without Extension modules) 1.8 A (@ AC 24 V) 2.2 A RELAY OUTPUTS Q1...Q6 Relay: type, contact Mono stable, NO contact Contact rating Switching voltage AC 24V 230V (-20%, +10%) Nominal current (res. / ind.) max. AC 4 A/3 A (cos 0.6) Switching current at AC 19 V min. AC 30 ma

2 2 Datasheet UNIVERSAL I/OS X1,X2 only input X3 X8 universal Configurable Reference potential Contact voltage Overvoltage protection by software terminals max. DC 24 V (SELV) up to 40 V POWERING SENSORS; ACTIVE/RATIO METRIC 2 x 2 outputs +24 V Voltage/current DC 24 V +10%, -25%/2 x 40 ma Reference potential Connection terminals short-circuit-proof ANALOG INPUTS (X1 X8) PT1000 Sensor current Accuracy within the range C DC V input Input resistance DIGITAL INPUTS (X1 X8) 1.8 ma 0.1 K 0.5 K 1 mv 2 mv 25 mv 50 mv 100 kω 0/1 digital signal (binary) for potential free contacts Sampling voltage/current Contact resistance Delay Pulse frequency ANALOG OUTPUTS (X3 X8) DC 0 10 V output Output current DC 24 V/8 ma max. 200 Ω (closed) min. 50 k Ω (open) 10 ms max. 20 Hz 11 mv 66 mv 95 mv 124 mv 1 ma (short-circuitproof) DIGITAL INPUTS D1 D5 0/1 digital signal (binary) for potential free contacts Sampling voltage/current Contact resistance Delay Pulse frequency ANALOG OUTPUTS (Y1, Y2) DC 0 10 V output Output current INTERFACES Process Bus CE+, CE Process Bus Bus connection 2-wire twisted pair Bus connection / electronics Bus load Bus cable Bus cable length between 2 KNX-Nodes Total length of Bus KNX-Cable Bus power supply via DC 24 V/8 ma max. 200 Ω (closed), min. 50 kωω (open) 10 ms max. 30 Hz 11 mv 66 mv 95 mv 124 mv 2 ma (short-circuitproof) Based on KNX TP1 (refer to KNX Manual) CE+, CE-, not interchangeable Galvanic isolated Max. 5 ma Must be shielded; Please refer to KNX Manual System Specifications Max lenght is 700 m Max lenght of KNX-Cable is 1000 m Internal DPSU with 50 ma nominal current External standard KNX power pack DIGITAL OUTPUTS (X5 X8) DC output for off board loads Switching voltage DC 24 V Switching capacity max. 25 ma

3 Datasheet 3 THIRD PARTY BUS (RS485 Modbus RTU) A+, B-, REF RS485 (EIA 485) Bus connection/electronics Bus connection 2-wire twisted pair Bus termination (switch by software) USB INTERFACE USB-device-interface Standard cable: Modbus RTU mode 2-wire twisted pair, with shielding Not galvanic isolated A+, B, REF 680 Ω / 120 Ω + 1 nf / 680 Ω Socked, Type B USB-Receptacle, series B Length of cable < 3m BUS LED This LED indicates the status of the integrated modem communication only. It does not indicate the status of the internal communication (to I/O or COM extension modules). This status is visible on the respective extension modules. Modes No Modem connected or LED disabled Modem connected and initialized no communication active Modem connected and communication active Modem connected but errors active (like provider missing, no initialization possible). Off Yellow on Green on Red on LED Status LOCAL SERVICE INTERFACE T-Hi Tool (USB) and HMI (RS485) LED BSP Run/Stop LED Modes Update Modus (Download active or a new BSP, application) Application not loaded Application loaded but not running Application Running BSP error (Software error) Hardware error RJ45 jack, 8 pins LED Status Every second flashing between red and green Yellow flashing with 50 ms on and 1000 ms off Yellow on Green on Red flashing with 2 Hz Red on MODEM SERVICE INTERFACE Connection via plug on the right upper side of the controller Tool and Modem (full Modem Interface) SD CARD RJ45 jack, 8 pins, on the up right side length of cable < 3 m Connection via plug on the right upper side of the controller SD card Slot ETHERNET Slot 128 MB 32 GB Sideways appropriated IP Service Interface T-IP 10/100 MBit (IEEE 802.3U) RJ45 jack, 8 pins

4 4 Datasheet PERIPHERAL-BUS COM - Extension communication module Connection via plug on the down left side of the controller. SPI-Interface fort the COM-Module connection Low voltage power supply for COM-Module Voltage/current : Board-to-Board Connector (not included) I/O EXTENSION I/O DC 5 V ±10% / max. 1A Short-circuit proof ZEC1,0/10-LPV-3,5 GY35AUC2CI1 Connection via plug on the down right side of the controller Power supply in the controller Ueff = AC 24 V ± 20%, main = Hz or U = DC 24 V ± 10% Bus termination selectable Connector (Connectors are not included) Solid wire Stranded wire (twisted or with ferrule) Cable lengths TECHNICAL DATA Real-time clock Buffering with internal backup Buffering with additional Battery Environmental conditions 680 Ω / 120 Ω + 1 nf / 680 Ω Board-to-Board: ZEC 1,0/4-LPV-3,5 C1 Board-to-Wire: ZEC 1,0/4-ST-3,5 C1R mm² mm² max. 30 m min. 3 days min. 200 days Operation IEC IEC Temperature C Restriction HMI C Restriction Process-Bus C Restriction with: 2 Com Modules 3 Com Modules Humidity Air pressure C C < 90% r.h. (no condensation) min. 700 hpa, corresponding to max. 3,000 m above sea level Transport IEC Temperature C Humidity Air pressure Protection < 95% r.h. (no condensation) min. 260 hpa, corresponding to max m above sea level Degree of protection IP 20 to EN Safety class STANDARDS suitable for use in safety class II plant Product safety: Automatic electrical controls EN Electromagnetic compatibility: Immunity in the industrial sector EN Emissions in the domestic sector EN CE conformity: EMC directive Low-voltage directive C-tick conformity: In accordance with AU EMC framework UL approvals Signal equipment certified for Canada RoHs compliance GENERAL DATA Dimensions of controller Weight excl. packaging controller without HMI 2004/108/EEC 2006/95/EEC Radio Communications Act 1992 UL916, UL873 CSA C22.2M /95/EC (Europe) ACPEIP (China) 180 x 110 x 75 mm 487 g Base plastic, Pigeon-blue RAL 5014 Housing plastic, light-grey RAL 7035

5 Datasheet 5 PLUG-SET The necessary plug-set (connector set) is not by the controller enclosed. (Spring cage, cable side entry). 1 positions or FKCT 2,5/2-ST) 3 positions or FKCT 2,5/2-ST) or FKCT 2,5/3-ST) 1 positions or FKCT 2,5/4-ST) or FKCT 2,5/6-ST) or FKCT 2,5/8-ST) Orange CONNECTION TERMINALS WARNING! Do In order to protect against accidental contact with relay connections at voltages above 42 Veff, the device must be installed in an enclosure (preferably a control panel). It must be impossible to open the enclosure without the aid of a key or tool. AC 230 V cables must be double-insulated against safety extra low-voltage (SELV) cables. DISPOSAL NOTES The controller includes electrical and electronic components and must not be disposed of as domestic waste. Current local legislations must be observed! CONNECTION TERMINALS For IO signals color: gray 110 For communication color: gray For power supply Solid wire Stranded wire (twisted or with ferrule) color: orange mm² mm² Cable lengths in compliance with the load, local regulations and installation documents 47,