Data Sheet for Product

ManualsBrandsSiemens ManualsBuilding automationRWG Universal Controller

A6V10733750_en--_d

Siemens

2020-07-22

Smart Infrastructure

RWG Universal Controller

RWG1.M12D, RWG1.M12, RWG1.M8

For the monitor and control in FAU, AHU, heat exchange units, fans, pumps,

lighting and other electromechanical equipments.

 High flexibility and economical efficiency

 Inbuilt programmable 192 x 64 Pixel LCD display (RWG1.M12D only)

 Onboard RS485 and ethernet interface for flexible field data acquisition and

communication

 Smart and graphical user interface

 Self-explanatory programming language

 Comprehensive Siemens reference application library

 Powerful offline simulator

Summary of content (14 pages)

PAGE 1
RWG Universal Controller RWG1.M12D, RWG1.M12, RWG1.M8 For the monitor and control in FAU, AHU, heat exchange units, fans, pumps, lighting and other electromechanical equipments.        A6V10733750_en--_d 2020-07-22 High flexibility and economical efficiency Inbuilt programmable 192 x 64 Pixel LCD display (RWG1.
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Features         Operating voltage AC / DC 24 V 12 universal I/Os Onboard RS485 interface, support Modbus RTU master and slave modes Onboard Ethernet, support Modbus TCP server mode Programmable via Web-based tool Field upgrade via USB flash disk Fully functional offline simulator Onboard programmable LED Type summary Type Stock number (SSN) RWG1.M12D S55370-C170 RWG1.M12 S55370-C171 RWG1.M8 S55370-C172 Product description RWG1.
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Notes Security CAUTION National safety regulations Failure to comply with national safety regulations may result in personal injury and property damage. ● Observe national provisions and comply with the appropriate safety regulations. Engineering Restrictions All restrictions in this chapter and in “Technical data” must be complied with. WARNING The sections marked with a warning symbol contain technical safety requirements and restrictions.
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Operation The controller must be prepared for use and commissioned by qualified staff with appropriate training. Maintenance The controller is maintenance-free, apart from cleaning at regular intervals. Dust and dirt should be removed from system parts in the control panel as part of normal service visits. Disposal The device is considered electrical and electronic equipment for disposal in terms of the applicable European Directive and may not be disposed of as domestic garbage.
PAGE 5
Technical data General Operating voltage AC 24 V (+20%, -20%) DC 24 V (+10%, -15%) Frequency 48...63 Hz 7 W / DC 24 V 14 VA / AC 24 V Yes (Recoverable within declared power range, unrecoverable if damaged) Power consumption Internal Fuse Main processor Cortex M4 Power-down save At least 24 hours (at 25 °C) Real time clock error Less than15 minutes / year (at 25 °C) Inbuilt HMI (RWG1.
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Universal input NTC 100k Temperature range Temperature -10...0 °C 0...50 °C 70 °C 90 °C 100 °C -10...+130 °C Accuracy 1.5 K 1K 1.5 K 2.1 K 2.9 K Wiring diagram Please refer to NTC 10k. PT 1000 (3850 ppm / K) Temperature range Temperature -50...150 °C 25 °C Wiring diagram Please refer to NTC 10k. LG Ni 1000 (5000 ppm / K) Temperature range Temperature -50...°C 150 °C 25 °C Wiring diagram Please refer to NTC 10k. 0 (4)...
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Universal input Passive digital input Sampling voltage Sampling current Contact resistance (closed) Contact resistance (open) DC 15 V 2 mA (stable), 5 mA (pulse) Min. 50 kΩ Max. 200 Ω Wiring diagram (for reference only) Pulse input Voltage range Max. pulse frequency Min. input pulse width Wiring diagram (for reference only) DC 0...10 V Voltage range Accuracy Sampling resistance Wiring diagram (for reference only) Siemens Smart Infrastructure DC 15 V Max. 50 Hz 7 ms 0...10 V +/- 1% F.S.
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Universal input Resistance measurement R_1000 Resistance range Measurement accuracy Wiring diagram (for reference only) 500...2000 Ω 1.5% Resistance measurement R_10000 Resistance range Resistance range 2 k...20 kΩ 20 k...100 KΩ Wiring diagram Please refer to R_1000 Universal output DC 0...10 V Voltage range Accuracy Cable length Output current Wiring diagram (for reference only) 8 Siemens Smart Infrastructure 2 k...100 kΩ Accuracy 3% 5% 0...10 V 100 mV Max. 30 m (diameter ≥ 0.
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Universal output Passive electronic switch output Switching device Nominal current Output leak current Switch-on resistance Compatible Relay MOSFET Max 100 mA 9 mA @ AC 24 V, 1 mA @ DC 24 V Typical 6 Ω AC/DC 24 V, DC 12 V intermediate relay (reinforced insulation or double insulation in relay contact) Direct current relay has smaller leakage current, so we recommend to use direct current relay as the external intermediate relay. Be cautious when using SSR.
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Communication interface Network interface Connector USB port RJ45 Bus protocol Modbus TCP Baudrate 10 Mbps Cable length Max. 50 m (CAT 5E UTP shielded twisted pair) Connector USB type A port Bus protocol USB 2.0, compatible with USB1.0 and USB1.1 Baudrate Max. 12Mb/s File format FAT16, FAT32 Peripherals USB disk Tools Online Website URL programming tool Operation system and hardware requirement Offline simulator https://www.ubc.siemens.com.
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Standards, directives and approvals Protection class IP20 (EN 60529) Safety class Class III EU conformity (CE) A5W90001305*) Environmental compatibility The Environmental Product Declaration (document number: A5W90001146*)) contains data on environmentally compatible product design and assessments (RoHS compliance, materials composition, packaging, environmental benefit, disposal) *) All the documentations can be downloaded at the following Internet address: http://siemens.com/bt/download.
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Diagrams Dimensions and connection terminals Dimensions in mm Terminals AC/DC 24V, G0 (⊥) Power supply: AC/DC 24 V Attention: Fuse between G0 and common terminal (Max. 0.56 A) X1...
PAGE 13
Wiring diagram The following wiring diagram only serves as a reference of AHU applications. It does not fully match with a real onsite application.
PAGE 14
Support  A faulty device shall be returned with a Return Good Note for Service provided by an appropriate Siemens sales office.  If you have further questions concerning the product, please contact our technical support.  +86 (10) 4006306090  support.ap.i-bt@siemens.com         High voltage must be strictly segregated from the AC 24 V safety extra low-voltage (SELV) when wiring the system to protect against electric shock.