SRD2-THP-411.103
Wall-mounted programmable pressure controller and transmitter (X2 OS) with internal temperature and humidity sensor and optional color display, PIR sensor. It contains up to 4 control loops, 1 active input, 1 relays (SPDT) and 3 VDC outputs.
The SRD2 is a programmable controller and transmitter with communication capabilities. Each control loop may use 2 PI sequences and 2 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 OPT1-(2TH)-VC. An optional built-in color display and 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
- Pressure control
- Temperature control
- Air humidifier and dehumidifier
- Motion detection action
Type Overview (see ordering for details)
| SRD2-OPIR with display and IR sensor | SRD2 without 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:
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Differential Pressure
- Temperature
- Humidity
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- A passive infrared sensor (-IR type) which can be used for motion detection (occupied / unoccupied)
- An analog input (0...10 VDC). It may be configured as digital input as well.
- Color display with backlight and touch button operation (-OP type)
- Built-in humidity and temperature sensor (-TH type), CO2 sensor (-C type), VOC sensor (-Q type),
dust particle sensor (-D type) - 3 analogue voltage outputs (VDC) and one relay with a normally open and a normally closed contact (SPDT)
- 8 freely assigned alarm conditions, selectable state of outputs and sounds on alarm condition
- Serial Modbus RTU/ASCII or BACnet MS/TP via isolated RS485
- Modbus TCP or BACnet/IP via Wi-Fi
- Webserver for SRD2 operation from computer / mobile device 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
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Product Name |
Product No. |
Functions |
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| SRD2-THP2-411.103-OPIR-MOD | 40-300268 |
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Accessories
Downloads
Operation Manual
Install Sheet
Application Notes
Certificates
Archive
X2-Support
