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Staefa Control - MS 1800  

Network Control Remote Station (NCRS); Standard NCRS - has 4 trunks; Mini-CNRS - has 2 trunks

Supervisory Interface Devices
Date Last Saved: 3/23/2004 2:28:49 PM

Product Name(s): Network Control Remote Station (NCRS); Standard NCRS - has 4 trunks; Mini-CNRS - has 2 trunks
Product Description: Supervisory Interface Device. Serves as a system coordinator for Smart II Plus and RS controllers and provides information to the MS1800 workstation. Supports up to two PC workstations. Also serves as portal for the Easylink 3rd party interface.
Product Application(s): Performs global control/logic functions, alarm handling, and trend data storage (described in the 'Software' form.)
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)
Primary dual-redundant primary LAN, proprietary EIA-485 @ 38.6 Kbps (peer-to-peer)

Ethernet option (in place of EIA-232 'Communication Port')

2 or 4 secondary LAN trunks (depending on NCRS model)

Proprietary EIA-485 @ 9.6 Kbps (polling interface)
External Communication Ports, Speeds and Access Devices Two (2) EIA-232 (to OWS, POT, and/or Ethernet)
Additional Information (Optional) Standard NCRS - 4 trunks. Mini-NCRS - 2 trunks. Each trunk is dedicated (can have any type of controller on a trunk, but cannot mix and match different controller types). Each trunk can accommodate:
40 Smart II Plus, or 16 RS controllers

Mini-NCRS (controllers per NCRS): 80 Smart II, or 32 RS
Standard NCRS (controllers per NCRS): 160 Smart II, or 64 RS
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) 16-bit, 12Mhz, Zilog Z280
Clock Type
Powered, battery-backed
Battery powered
Powered, no battery backing
Clock Synchronization Information not provided.
Volatile Memory (RAM) Capacity 1 Mb 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
Others Information not provided.
Is Volatile Memory Supported By Battery? Yes
Battery Type(s) Information not provided.
Battery Life 8 years
Backup Battery Operating Time 2 year power fail backup
Non-Volatile Memory Capacity (EEPROM/Flash)* 64 Kb EEPROM
Non-Volatile Memory Uses
Data / Trends / Alarms / Calculation Storage
Configuration / Parameter Storage
Control Programming Storage
Controller Operating System
Other Information not provided
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? Information not provided.
What is the controllers role in trending? All trend data stored in NCRS for automatic upload to OWS. See 'Software' form for additional information.
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? Information not provided.
Programming Method(s) N.A.
Resident vs Non-Resident Program Execution N.A.
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.)
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
VA 30 VA
Surge Protection Provided - Transzorb, 1/2 Amp fuse
Underwriters Laboratories UL 916 PAZX (Energy Management)
FCC Part 15, Sub-Part B, Class A
LonMark Certified
No - but LonWorks compatible
Information not provided
BACnet (BTL) Certified
Not submitted for testing
Information not provided

Programming Method(s)

(See also 'Software' Form)

Block programming allows for global logic.


(See also 'Software' Form)

Information not provided

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 Information not provided.

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
Additional Energy Management functions resident at individual controllers
Other Information not provided.
Hardware I/O Points None
Additional SI Functions

Automatic-Dial Alarm Support

(See also 'Software' Form)

Information not provided
Does SI perform multiple retries and buffer/store alarm until connection is made? Information not provided
Are multiple destinations possible? Information not provided
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? Information not provided
Automatically reset/synchronize its secondary network? Information not provided
Update all monitored functions? Information not provided
Generate an alarm if backup battery is dead? Information not provided
Control Enclosure Provided - NEMA Type 1 enclosure19" W x 14" H x 5" D (hinged and key lockable)