SRD2-414.073C
Wall-mounted programmable controller and transmitter (X2 OS) with internal temperature and humidity sensor and optional CO2 sensor. It has a color display, real time clock, PIR sensor. 4 control loops, 4 universal inputs, 7 relays (SSR) and 3 VDC outputs.
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The SRD2 is a programmable controller and transmitter with communication capabilities. Each control loop may use 2 PI sequences and multiple binary stages. The SRD2 comes with a built-in isolated RS485 communication interface that allows peer-to-peer communication with an operation terminal such as OPD2-TH-VC-TOPIR. An optional built-in 3.5 in touch screen or a color display with touch buttons provides a perfect and flexible way to interact with the user.
Communication supports BACnet or Modbus. There is also a Wi-Fi communication option available which supports Modbus TCP and BACnet/IP. An embedded webserver provides a web interface to access the controller in order to change the connection settings and to operate the controller.
Complete parameter sets may be copied by use of an accessory called AEC-PM2 or exchanged with a PC and the EasySet program using an RS485-USB converter or via Wi-Fi.
The SRD2 uses the Vector Controls universal and flexible X2 operating system and is preconfigured as described in the manual.
Applications
- Room automation control for hotels, offices, residential rooms
- Temperature control
- Air humidifier and dehumidifier
- CO2 / VOC air quality control
- Motion detection action
Type Overview (see ordering for details)
| SRD2-TOPIR with large touch display and IR sensor | ||
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Dimensions, mm (inch)
Features
- Four universally configurable control loops:
- Functions for dehumidifying, set point shift and cascade control
- Multiple auxiliary functions: heat-cool auto changeover, automatic enable, set point compensation
- Free heating and cooling with economizer function based on enthalpy or temperature
- Differential, averaging, min and max functions, enthalpy and dew point calculations
- Transmitter function for sensors and set points
- Measures:
- Temperature
- Humidity
- CO2 (on request)
- VOC air quality (on request)
- A passive infrared sensor (-PIR type) which can be used for motion detection (occupied / unoccupied)
- 3.5 in capacitive touch color display (-TOP/-TOPIR type)
- Built-in humidity and temperature sensor (-TH type), CO2 sensor (-C type), VOC sensor (-Q type)
- 4 selectable universal inputs (VDC, mA, NTC)
- 3 analogue voltage outputs (VDC)
- 7 solid state relays (semiconductor relays for AC and DC voltage) with a shared common
- 8 freely assigned alarm conditions, selectable state of outputs on alarm condition and alarm sound
- Power cap protected real-time clock with 48 hr power backup
- 7-day programmable schedules, with options including change of set points and direct position of manual outputs
- Variants with serial Modbus RTU/ASCII or BACnet MS/TP via isolated RS485 (BTL)
- Variants with Modbus TCP or BACnet/IP via Wi-Fi (BTL) including a webserver for operation via internet browser or via “EasyX2” desktop/mobile app
- Password protected programmable user and control parameters
- EasySet access over TCP/IP for configuration (Wi-Fi interface required)
Ordering
Ordering SRD2 with large display -TOPIR
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Product Name |
Product No. |
Functions |
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| SRD2-TH-414.073C-TOPIR | 40-300353 |
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| SRD2-TH-414.073C-TOPIR-MOD | 40-300354 | |||||||||||||||||||||||||||||||||||||||||||
| SRD2-TH-414.073C-TOPIR-BAC | 40-300355 | |||||||||||||||||||||||||||||||||||||||||||
| SRD2-TH-414.073C-TOPIR-WIM | 40-300356 | |||||||||||||||||||||||||||||||||||||||||||
| SRD2-TH-414.073C-TOPIR-WIB | 40-300357 |
Accessories
Downloads
Operation Manual
Install Sheet
Application Notes
Certificates
Archive
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