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Excel 10/15/50/500

Secondary Control Units
Excel 10/15/50/500
Date Last Saved: 9/24/2008 2:18:24 PM

Product Name(s): Excel 10/15/50/500
Product Description: The Excel controllers are general purpose programmable controllers.
Product Application(s): All support general HVAC applications including air-handling units, chillers/boiler/central plant control and distribution systems, data acquisition, and other multi-equipment applications. The Excel controllers can accomodate up to 128 I/O points, 256 psuedo points, and 16 modular boards. Up to 512 Lon Works network variables can be mapped to internal data points. I/O modules can only be mounted via the LonWorks bus.
Point Quantity Characteristics
Analog Input (AI): See below 0-10 Vdc
0-20 mA
Digital Input (DI): See below 24 Vdc
15 Hz Pulzed
Universal Input (AI or DI): See below
Analog Output (AO): See below 0-10 Vdc
Digital Output (DO): See below Triac (24 Vac/0.8 A)
Universal Output (UO):
Control Unit Model #:AIDIUIDOAOUOOther
Excel 10
Excel 15
Excel 50 8 4 6 4
Excel 500 (See I/O Expansion)
A/D Converter Resolution
8 bit
10 bit
12 bit
16 bit
D/A Converter Resolution
6 bit
8 bit
10 bit
No Analog Output
HOA switches provided on each output?
Note: These are also available as an add-on from 3rd party vendors.
Both AO and DO
DO Only
Indicating status LED on each output?
AO and DO
AO Only
DO Only
Integral Flow Sensor? N.A.
Integral Damper Actuator? N.A.
Can controller accept occupant override from thermostat? N.A.
Can controller accept occupancy sensor input? N.A.
Expander Boards Excel expansion boards are available
Expansion Device Model #AIDIUIDOAOUOOther
XF521A & XF 526 8
XF522A & XF527 8
XF523A 12
XF524A & XF529 6
XF525 - Floating motor 3
XF524A & XF529 6
XF525 - Floating motor 3
XFL521B 8
XFL522B 8
XFL521B 8
XFL522B 8
XFL523B 12
XFL524B 6
XFC3A06001-Smart Module-Fixed Permanent 4 4 4 2
XFL523B XFC3DO6001-Smart I/O Module-Removable 4 4 4 2
Network Ports, Protocol(s), and Speed(s) Supported
(Note: See 'Architecture' for network details)
(1)-LonWorks BUS @ 78.6kbps.
External Communication Ports, Speeds and Access Devices (1)-EIA-232 serial port (various, optional interface modules required)
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
Controller Access Devices
Local Display Panel (controller-mounted)
Local Display Panel (zone-mounted)
Handheld Interface Device (proprietary device)
PDA (3rd-Party HID)
Zone-Based port (details below)
Zone-Based Interface Access None / Not applicable for primary control units
Zone Interface Hardware
Zone-Mounted touchpad (thermostat or stand-alone display)
HID (proprietary device)
PDA (3rd party HID, with software)
Other N/A
*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
O&M SupportTAB/Cx Support
Local Display Panel (controller-mounted)
Local Display Panel (zone-mounted)
Handheld Interface Device (proprietary device)
PDA (3rd-Party HID)
Zone-Based port (details below)
Microprocessor(s) 16-bit microprocessor
Clock Type
Powered, battery-backed
Battery powered
Powered, no battery backing
Other Information Not Provided
Clock Synchronization Information not provided
Volatile Memory (RAM) Capacity 256 kB RAM
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
Is Volatile Memory Supported By Battery? Yes
Battery Type(s) capacitor
Battery Life Information Not Provided
Backup Battery Operating Time 72 hours
Non-Volatile Memory Capacity (EEPROM/Flash)* Operator can load the most recent system parameters, schedule times, and other database changes from RAM to flash memory.

128/256 Kb data file EPROM or Flash

512 Kb Operating System EPROM (minimum each controller)
Non-Volatile Memory Uses
Data / Trends / Alarms / Calculation Storage
Configuration / Parameter Storage
Control Programming Storage
Controller Operating System
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? Yes
How many total trend values can be stored? Up to 200 Trend values consisting of 20 points for Excel 500 and Smart Excel 500

100 Trend values for up to (each of ) 3 points for Excel 50
What is the controllers role in trending? Information not provided
Can controller be programmed to 'push' data to archive or are trends 'pulled' from controller? Information not provided
When full, does controller automatically send up trend data, overwrite data, or stop logging data? Trends automatically upload when memory is full
Programming Method(s) Graphical/block programming using Excel CARE and Live CARE. Predefined elements, plants and control schematics are available for use within a standard macro library. Full custom programming is available. Additional programming can be accomplished using a mathematical editor for values from a combination of more than one user address. CARE programs can be downloaded to controller over the network or through the controllers local comm. port using the XI584 software.
Resident vs Non-Resident Program Execution All program execution is controller resident
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.
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
Controller is not typically used for energy management functions
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.)
Additional Energy Management functions are resident at SI
Additional Programming Functions duty cycling, night purge, zero energy band
DDC Loops (P, PI, PID) PID
Automatic PID Tuning Feature Limited Automatic Loop Tuning via ANPID
Automatical-Dial Alarm Support Available from controller
Does controller perform multiple retries and buffer/store alarm until connection is made? Yes
Are multiple destinations possible? Yes
Upon controller power loss or hardware failure:
Are network communications affected? No
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
Volatile memory functions?
Retained for life of backup battery
Upon restoration of power does the controller:
Auto-reboot without operator intervention? Information not provided
Automatically reset/synchronize the clock? Information not provided
Update all monitored functions? Information not provided
Generate an alarm if backup battery is dead? Yes
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.)
Information not provided
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? Information not provided
Internal hardware failure? Information not provided
Open/shortened sensor? Information not provided
Others? Has on-board self-test diagnostics to automatically generate alarms due to malfunctions and exceeded system operating parameters.
Control Enclosure Modular Plug-in
Power Supply Required
Voltage 24 Vac +/- 10%
VA Information not provided
Surge Protection Information not provided
Underwriters Laboratories UL 916PAZX, UL 864UDTZ, and UUKL in an enclosure
FCC Information not provided
CE Information not provided
LonMark Certified
No - but LonWorks compatible
Information not provided
BACnet (BTL) Certified
Not submitted for testing
Information not provided