VLC-444; VLC-550; VLC-651R; VLC-660R; VLC-853; VLC-1188; VLC-1600; VLC-16160
Secondary Control Units
VLC (VisualLogic) Controller Series
Date Last Saved: 7/11/2011 3:37:36 PM
Product Name(s):
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VLC-444; VLC-550; VLC-651R; VLC-660R; VLC-853; VLC-1188; VLC-1600; VLC-16160
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Product Description:
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The VLC-Series SCUs are programmable terminal equipment controllers that reside on the secondary polling network. Each model can be custom programmed, but is not expandable and has a variety of I/O options for common applications. They perform stand-alone operation (except for the VLC-1600) and come with libraries of application logic for common unitary equipment.
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Product Application(s):
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The individual VLC-Series controllers are designed to support general HVAC applications, including AHUs, unitary equipment applications (such as heat pumps, fan coils, and rooftop units), hydronic distribution systems, and smaller chillers/boiler/central plant control functions.
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Point Quantity
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Characteristics
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Analog Input (AI):
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N.A.
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Digital Input (DI):
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N.A.
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Universal Input (AI or DI):
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See below
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0-5 VDC / 4-20 mA
0-5 VDC / 4-20 mA or 0-10 VDC (VLC-853, VLC-1188, CLC-1600)
0-10 VDC / 4/20 mA (VLC-444 only)
Control range not provided by MFR for VLC-651R and VLC-660R.
Thermistor (3K or 10K) / Dry Contact
Single input (optional) from zone sensor (Microset, Microset II, Microtouch). Refer to specific product data for full compatibility details.
Pulse input accepted (VLC-1600: Inputs 1-3 only)
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Analog Output (AO):
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See below
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0-10 VDC or 4-20 mA (VLC-444: auto-sensing; VLC-853, VLC-1188: switch-selectable)
0-20 mA (VLC-651R: 4-20 mA can be achieved in software, 0-10 VDC can be achieved through on-board wiring)
VLC-444: 0 - 10 VDC (min load resistance = 1000 ohms) 4 - 20 mA (max load resistance = 550 ohms)
VLC-853, VLC-1188: 0 - 10 VDC (min load resistance = 500 ohms) 4 - 20 mA (max load resistance = 1000 ohms)
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Digital Output (DO):
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See below
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Hot-Switched Triacs: each rated @ 24 VAC, 0.5 A (VLC-444,VLC-550, VLC-651R, VLC-660R, VLC-853)
Hot-Switched Triacs: each rated @ 24 VAC, 0.47 A (VLC-16160)
Optically Coupled Triacs: each rated @ 24 VAC, 0.5 A (VLC-1188 only)
Independently Isolated, Normally Open Relay Outputs: Motor load rating (120 VAC 3/4 HP - 277 VAC 3/4 HP), General purpose rating (120 VAC @ 15 A, 240/277 VAC @ 10 A) (VLC-651R, VLC-660R only)
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Universal Output (UO):
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Other:
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Control Unit Model #: | AI | DI | UI | DO | AO | UO | Other |
VLC-444
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4
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4
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4
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VLC-550
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5
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5
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VLC-651R
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6
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5
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1
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VLC-660R
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6
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6
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VLC-853
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8
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5
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3
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VLC-1188
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11
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8
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8
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VLC-1600
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16
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VLC-16160
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16
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16
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A/D Converter Resolution
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D/A Converter Resolution
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HOA switches provided on each output?
Note: These are also available as an add-on from 3rd party vendors.
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Indicating status LED on each output?
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Integral Flow Sensor?
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No
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Integral Damper Actuator?
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No
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Can controller accept occupant override from thermostat?
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Yes
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Can controller accept occupancy sensor input?
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Yes
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Network Ports, Protocol(s), and Speed(s) Supported
(Note: See 'Architecture' for network details)
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(1) - BACnet-MS/TP @ 9.6 - 76.8 kbps (polling)
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External Communication Ports, Speeds and Access Devices
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None
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Additional Information (Optional)
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Network Accessing Capabilities via Controller
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Controller Access Devices
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Zone-Based Interface Access
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Microset, Microset II and Microtouch zone sensors have displays and pushbuttons for accessing controller parameters. Wall sensor with interface jack allows Microset Service Tool (Handheld Interface Device) access to controller parameters.
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Zone Interface Hardware
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*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.
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Microprocessor(s)
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Motorola AZ-60 with on-board flash memory.
ARM7 processor with on-board flash memory. (VLC-444 only)
VLC-444: ARM7 processor with on-board flash memory.
VLCA-1688: 32-bit processor, 4MB flash memory.
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Clock Type
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Clock Synchronization
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Clock synchronization is via standard BACnet Time_Synchronization message by workstation, or by any other device which can transmit standard BACnet Time_Synchronization.
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Volatile Memory (RAM) Capacity
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Information not provided
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Volatile Memory (RAM) Uses
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Is Volatile Memory Supported By Battery?
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No
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Battery Type(s)
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N.A.
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Battery Life
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N.A.
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Backup Battery Operating Time
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N.A.
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Non-Volatile Memory Capacity (EEPROM/Flash)*
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Information not provided
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Non-Volatile Memory Uses
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Additional Information
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* 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.
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Can trend data be stored in this controller?
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No
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How many total trend values can be stored?
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N.A.
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What is the controllers role in trending?
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Points attached to this controller can be trended, although controller takes no active role in trending.
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Can controller be programmed to 'push' data to archive or are trends 'pulled' from controller?
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When full, does controller automatically send up trend data, overwrite data, or stop logging data?
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N.A.
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Programming Method(s)
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Alerton VisualLogic graphical programming. Optional menu-based set-up/configuration can be performed.
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Resident vs Non-Resident Program Execution
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Local control logic is resident and executed at the control unit. The BTI (SI) controls scheduling and global (system-wide) BAS control strategies.
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Scheduling
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Resident Energy Management
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Specific Pre-Programmed Algorithms Available
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Additional Programming Functions
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DDC Loops (P, PI, PID)
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P, PI, and PID
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Automatic PID Tuning Feature
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No
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Automatical-Dial Alarm Support
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No
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Does controller perform multiple retries and buffer/store alarm until connection is made?
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No
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Are multiple destinations possible?
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No
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Upon controller power loss or hardware failure:
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Are network communications affected?
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No
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Is loss recognized on/by the network and alarm reported?
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Yes
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DO and AO response?
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Volatile memory functions?
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Upon restoration of power does the controller:
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Auto-reboot without operator intervention?
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Yes
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Automatically reset/synchronize the clock?
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No
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Update all monitored functions?
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No
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Generate an alarm if backup battery is dead?
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No battery
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Upon network or communications failure does controller:
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Continue to operate standalone?
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Yes
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Operate with last global settings or user-specified value?
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N.A.
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Do broken network segments continue to communicate within the remaining segment?
(Note: May depend on proper termination of segments for higher speed networks.)
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No
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Does network automatically reconfigure upon restoration?
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Yes
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Does network store 'loss of communications' alarm with time of event?
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No
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Additional Information (optional)
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Self Test Diagnostics
Does controller have internal self-test diagnostics to check:
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Processor failure?
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Yes
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Internal hardware failure?
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Yes
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Open/shortened sensor?
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Yes
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Others?
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Control Enclosure
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Provided as standard feature of product, UL Listed for Plenum Mounting.
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Power Supply Required
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Voltage
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24 Vac
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VA
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5 VA to 20 VA minimums depending on VLC-Model (see individual product label).
10 VA to 220 VA maximums depending on VLC-Model (see individual product label).
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Surge Protection
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Provided - Surge and lightning protection provided as standard feature.
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Underwriters Laboratories
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UL 916 PAZX (Energy Management)
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FCC
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Part 15, Subpart J, Class A
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CE
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EMC Directive 89/336/EEC (European CE Mark)
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LonMark Certified
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BACnet (BTL) Certified
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Other
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Suitable for plenum mounting (VLC-651R, VLC-660R, VLC-1188)
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