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Johnson Controls - Metasys Extended Architecture  

LN Series Scheduler; LN Series Display

Supervisory Interface Devices
LN Series Scheduler and Display
Date Last Saved: 5/11/2005 10:36:12 AM

Product Name(s): LN Series Scheduler; LN Series Display
Product Description: The LN Series Scheduler and LN Series Display are local user interfaces to access the LonWorks system in the field. The LN Series Display is capable of displaying 250 variables from a LonWorks system.
Product Application(s): The LN Series Scheduler and LN Series Display serves as a local user interface to LonWork systems.
Point Quantity Characteristics
Analog Input (AI): N.A. N.A.
Digital Input (DI): N.A. N.A.
Universal Input (AI or DI): N.A. N.A.
Analog Output (AO): N.A. N.A.
Digital Output (DO): N.A. N.A.
Universal Output (UO): N.A. N.A.
Other: N.A. N.A.
A/D Converter Resolution
D/A Converter Resolution
HOA switches provided on each output?
Note: These are also available as an add-on from 3rd party vendors.
Indicating status LED on each output?
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 N.A.
Network Ports, Protocol(s), and Speed(s) Supported
(Note: See 'Architecture' for network details)
(1) TP/FT-10, LonTalk, @78 kbps
External Communication Ports, Speeds and Access Devices Information not provided
Additional Information (Optional)
Network Accessing Capabilities via Controller
Controller Access Devices
Zone-Based Interface Access N.A.
Zone Interface Hardware
*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.
Microprocessor(s) Neuron 3150, 8 bits, @10 MHz
Clock Type
Powered, battery-backed
Battery powered
Powered, no battery backing
None
Other
Clock Synchronization Information not provided
Volatile Memory (RAM) Capacity N.A.
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? N.A.
Battery Type(s) N.A.
Battery Life N.A.
Backup Battery Operating Time N.A.
Non-Volatile Memory Capacity (EEPROM/Flash)* 128 K Flash
64 K Flash
Non-Volatile Memory Uses
Data / Trends / Alarms / Calculation Storage
Configuration / Parameter Storage
Control Programming Storage
Controller Operating System
Other APB application
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? Information not provided
How many total trend values can be stored? Information not provided
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? Information not provided
Programming Method(s) N.A.
Resident vs Non-Resident Program Execution N.A.
Scheduling
Resident Energy Management
Specific Pre-Programmed Algorithms Available
Additional Programming Functions N.A.
DDC Loops (P, PI, PID) N.A.
Automatic PID Tuning Feature N.A.
Automatical-Dial Alarm Support N.A.
Does controller perform multiple retries and buffer/store alarm until connection is made? N.A.
Are multiple destinations possible? N.A.
Upon controller power loss or hardware failure:
Are network communications affected? N.A.
Is loss recognized on/by the network and alarm reported? N.A.
DO and AO response?
Volatile memory functions?
Upon restoration of power does the controller:
Auto-reboot without operator intervention? N.A.
Automatically reset/synchronize the clock? N.A.
Update all monitored functions? N.A.
Generate an alarm if backup battery is dead? N.A.
Upon network or communications failure does controller:
Continue to operate standalone? N.A.
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.)
N.A.
Does network automatically reconfigure upon restoration? N.A.
Does network store 'loss of communications' alarm with time of event? N.A.
Additional Information (optional) N.A.
Self Test Diagnostics
Does controller have internal self-test diagnostics to check:
Processor failure? N.A.
Internal hardware failure? N.A.
Open/shortened sensor? N.A.
Others? N.A.
 
Control Enclosure N.A.
Power Supply Required
Voltage 24 VAC +/- 15% @ 50/60 Hz
Class 2 power supply
VA Maximum: 13 VA
Typical: 8 VA
Surge Protection Scheduler = 5 Amp removable fuse
Display = 1.5 Amp auto reset fuse
Underwriters Laboratories UL Listed
FCC No
CE No
LonMark Certified
Yes
No
No - but LonWorks compatible
Information not provided
BACnet (BTL) Certified
Yes
No
Not submitted for testing
Information not provided
Other

Programming Method(s)

(See also 'Software' Form)

From any LNS based tool via plug-in

Scheduling

(See also 'Software' Form)

4 holiday templates
7 weekday templates
network variables have changeable types and lengths

Energy Management

SI-resident energy management functions/algorithms calculated and performed by this SI. One or more of these choices may be selected. 'No' indicates that it is not available.

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.
SI is not typically used for energy management functions
Other

Specific, pre-programmed algorithms available.

'No' indicates that it is not available.

None (custom programming only)
None (not applicable)
Optimal Start/Optimal Stop
Peak Demand Limiting/Load Shedding
Economizer
Additional Energy Management functions resident at individual controllers
Other
Hardware I/O Points N.A.
Additional SI Functions

Automatic-Dial Alarm Support

(See also 'Software' Form)

No
Does SI perform multiple retries and buffer/store alarm until connection is made? N.A.
Are multiple destinations possible? N.A.
 
Upon SI power loss or hardware failure:
Is loss recognized on/by the network and alarm reported? Information not provided
 
Upon restoration of power does the SI:
Auto-reboot without operator intervention? Information not provided
Automatically reset/synchronize its clock? Clock is battery backed with CR 2032 Lithium Battery.
Automatically reset/synchronize its secondary network? Information not provided
Update all monitored functions? Information not provided
Generate an alarm if backup battery is dead? No
Control Enclosure ABS Resin