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Distech Controls - Easycontrols  

EC-VAV-L;EC-VAV-LF;EC-VAV-LN;EC-VVT-L;EC-VVT-LF;EC-VVT-LN

Secondary Control Units
EC-VAV-L and EC-VVT-L
Date Last Saved: 5/27/2005 9:43:29 AM
Product Name(s): EC-VAV-L;EC-VAV-LF;EC-VAV-LN;EC-VVT-L;EC-VVT-LF;EC-VVT-LN
Product Description: The EC-VAV controller is a microprocessor-based variable air volume (VAV) controller designed to control VAV applications. The EC-VAV uses Lonworks communication protocol. The EC-VAV-L is Lonmark listed.
Product Application(s): The EC-VAV controller is a fully programable controller for different VAV applications.
Point Quantity Characteristics
Analog Input (AI): N.A.
Digital Input (DI): N.A.
Universal Input (AI or DI): 4 Dry Contact
0-10 VDC
4-20 mA
Thermistor
Analog Output (AO): 1 0-10 VDC (linear PWM) or
0-12 VDC (digital)
Digital Output (DO): 3 Triac (24 VAC @ 1.0 A)
Universal Output (UO):
Other:
Control Unit Model #:AIDIUIDOAOUOOther
EC-VAV-L 4 3 1 3
EC-VAV-LF 4 3 1 3
EC-VAV-LN 4 3 1 3 no actuator
EC-VVT-L 4 3 1 3
EC-VVT-LF 4 3 1 3
EC-VVT-LN 4 3 1 3 no actuator
A/D Converter Resolution
8 bit
10 bit
12 bit
16 bit
Other
D/A Converter Resolution
6 bit
8 bit
10 bit
No Analog Output
Other
HOA switches provided on each output?
Note: These are also available as an add-on from 3rd party vendors.
No
Both AO and DO
DO Only
Other
Indicating status LED on each output?
No
AO and DO
AO Only
DO Only
Other
Integral Flow Sensor? Yes (0.5-1-2" Water Column) +/-3% Accuracy
Integral Damper Actuator? Yes, Belimo LM24-MUS
Can controller accept occupant override from thermostat? Yes
Can controller accept occupancy sensor input? Yes
Expander Boards
Network Ports, Protocol(s), and Speed(s) Supported
(Note: See 'Architecture' for network details) 		(1) LonTalk TP/FT-10 @ 78 Kbps
External Communication Ports, Speeds and Access Devices
Additional Information (Optional)
Network Accessing Capabilities via Controller
Access controller only
Access controller plus additional controllers on network segment / LAN
Access all controllers on system
No access available on this controller
Other
Controller Access Devices
Laptop/PC
Local Display Panel (controller-mounted)
Local Display Panel (zone-mounted)
Handheld Interface Device (proprietary device)
PDA (3rd-Party HID)
Zone-Based port (details below)
Other
Zone-Based Interface Access None. But see the EC-Display V-2 Product detail. (Can interface with up to 250 variables)
Zone Interface Hardware
Zone-Mounted touchpad (thermostat or stand-alone display)
HID (proprietary device)
PDA (3rd party HID, with software)
Laptop/PC
none
Other
*Note: This section covers the capabilities for accessing the controller or other parts of the network from the controller (i.e. 'bottom-up').
Standard access functionality is covered in the Architecture and Software sections.
**Does NOT include front-end OI functions. See vendor for specific functions available.
Functions Available Through Field Interface**:View ParamsChange ParamsChange
Programs/Logic		O&M SupportTAB/Cx Support
Laptop/PC
Local Display Panel (controller-mounted)
Local Display Panel (zone-mounted)
Handheld Interface Device (proprietary device)
PDA (3rd-Party HID)
Zone-Based port (details below)
Other
Microprocessor(s) Neuron 3150 @ 10 MHz
Clock Type
Powered, battery-backed
Battery powered
Powered, no battery backing
None
Other
Clock Synchronization
Volatile Memory (RAM) Capacity 8k bytes
Volatile Memory (RAM) Uses
RAM use unrestricted
RAM use restricted as shown below
Information Not Provided
Program Execution / Calculation storage
Data / Trends / Alarms storage
Configuration / Parameter storage
Control Programming storage
Others
Is Volatile Memory Supported By Battery? No (note: All parameters are saved in non volatile flash memory)
Battery Type(s) N.A.
Battery Life N.A.
Backup Battery Operating Time N.A.
Non-Volatile Memory Capacity (EEPROM/Flash)* 64K (application)
Non-Volatile Memory Uses
Data / Trends / Alarms / Calculation Storage
Configuration / Parameter Storage
Control Programming Storage
Controller Operating System
Other
Additional Information
* Items in NV memory are not lost upon power or battery failure. Other types of NV memory such as EPROM, NOVROM, etc. do not directly impact system performance.
Can trend data be stored in this controller? No
How many total trend values can be stored? N.A.
What is the controllers role in trending? N.A.
Can controller be programmed to 'push' data to archive or are trends 'pulled' from controller?
When full, does controller automatically send up trend data, overwrite data, or stop logging data? N.A.
Programming Method(s) Through an LNS plug-in.
Resident vs Non-Resident Program Execution Information not provided
Scheduling
Resident/Supervisory. This controller supervises the scheduling of other controllers.
Resident/Stand Alone. This controller contains its own schedule.
Non-Resident. This controller is dependent upon another controller for its schedule.
None. This controller has no scheduling features.
Other
Resident Energy Management
Energy management algorithms for this controller can be custom programmed
Pre-programmed/built-in algorithms available, and are fully editable using custom programming
Pre-Programmed/built-in with limited editing via template-based programming (nvi_shedding)
Controller is not typically used for energy management functions
Others
Specific Pre-Programmed Algorithms Available
None (custom programming only)
None (not applicable)
Optimal Start/Optimal Stop
Peak Demand Limiting/Load Shedding
Economizer (enthalpy, dry-bulb, CO2, modulating/2-position, etc.)
Other (Frost Protection, and slave operation mode)
Additional Energy Management functions are resident at SI
Additional Programming Functions
DDC Loops (P, PI, PID) PID
Automatic PID Tuning Feature no
Automatical-Dial Alarm Support No alarms
Does controller perform multiple retries and buffer/store alarm until connection is made? No alarms
Are multiple destinations possible? No alarms
Upon controller power loss or hardware failure:
Are network communications affected? Information not provided
Is loss recognized on/by the network and alarm reported? Information not provided
DO and AO response?
Outputs fail to a user pre-specified position
Outputs fail to a normal (unpowered) position
Outputs fail to last position
Other
Volatile memory functions?
Lost
Retained for life of backup battery
Other (Everything is in flash)
Upon restoration of power does the controller:
Auto-reboot without operator intervention? Yes
Automatically reset/synchronize the clock? N.A.
Update all monitored functions? Yes
Generate an alarm if backup battery is dead? N.A.
Upon network or communications failure does controller:
Continue to operate standalone? Yes
Operate with last global settings or user-specified value? N.A.
Do broken network segments continue to communicate within the remaining segment?
(Note: May depend on proper termination of segments for higher speed networks.) 		No
Does network automatically reconfigure upon restoration? Information not provided
Does network store 'loss of communications' alarm with time of event? Information not provided
Additional Information (optional)
Self Test Diagnostics
Does controller have internal self-test diagnostics to check:
Processor failure? Yes
Internal hardware failure? Yes
Open/shortened sensor? Yes
Others?
 
Control Enclosure Platic Black Belimo motor
Power Supply Required
Voltage 24 VAC +/- 15%, 50/60 Hz
VA 10 VA or 85 VA if internal power supply is used for triac.
Surge Protection 5 Amp removeable fuse
Underwriters Laboratories Yes
FCC Yes
CE Pending
LonMark Certified
Yes
No
No - but LonWorks compatible
Information not provided
BACnet (BTL) Certified
Yes
No
Not submitted for testing
Information not provided
Other