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RZ VAV

Secondary Control Units
RZ-VAV
Date Last Saved: 3/18/2005 12:25:08 PM

Product Name(s): RZ VAV
Product Description: RS 485 application specific controller. VAV controller with integral DP and actuator. Plug –on input terminals for thermostat, communication, power, and up to 4 external devices. Two input ports for integrated air velocity sensor. Plug terminals for 3 external outputs. A 12 position DIP switch for set up and initial config.
Product Application(s): Configurable software and hardware profiles, including: pressure independent VAV (with Hot Water Valve Reheat), VAV with electric heat.
Point Quantity Characteristics
Analog Input (AI): 0 - 4 +1 Thermistor, plus thermostat connection
Digital Input (DI): 0 - 4 general purpose relays
Universal Input (AI or DI): N.A.
Analog Output (AO): N.A.
Digital Output (DO): 3 general purpose relays
Universal Output (UO):
Other:
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
[0-1", mounted on PC Board]
Integral Damper Actuator? Yes
Can controller accept occupant override from thermostat? Yes
Using RZ-STS 250 with occupant override feature. Many other sensors available
Can controller accept occupancy sensor input? Yes
Expander Boards
Network Ports, Protocol(s), and Speed(s) Supported
(Note: See 'Architecture' for network details)
RZ LAN 9600 baud
External Communication Ports, Speeds and Access Devices Information not provided.
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 Information not provided
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 R/Z-STS 250 Thermostat ( many other sensor options available)
Zone Interface Hardware
Zone-Mounted touchpad (thermostat or stand-alone display)
HID (proprietary device)
PDA (3rd party HID, with software)
Laptop/PC with RZ tool
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) Zilog Z86C193
Clock Type
Powered, battery-backed
Battery powered
Powered, no battery backing
None
Other
Clock Synchronization Information not provided
Volatile Memory (RAM) Capacity 32 K EPROM, 464 bytes 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
Is Volatile Memory Supported By Battery? No
Battery Type(s) No battery
Battery Life No battery
Backup Battery Operating Time No battery
Non-Volatile Memory Capacity (EEPROM/Flash)* 4 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? No
How many total trend values can be stored? Not applicable
What is the controllers role in trending? Not applicable
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? Not applicable
Programming Method(s) All RZ controllers use PerfectHOST for Windows (PHWin) graphical application programming. 'Templates' (logic blocks) are used to develop control sequence logic for all controllers. Application-specific controllers can alternately use pre-developed sequences called 'macros' that are written for specific types of equipment and/or sequences.
Resident vs Non-Resident Program Execution All programming is resident and executed at the controller.
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
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
Additional Energy Management functions are resident at SI
Additional Programming Functions
DDC Loops (P, PI, PID) Information not provided
Automatic PID Tuning Feature No
Automatical-Dial Alarm Support Information not provided
Does controller perform multiple retries and buffer/store alarm until connection is made? Information not provided
Are multiple destinations possible? Information not provided
Upon controller power loss or hardware failure:
Are network communications affected? No
Is loss recognized on/by the network and alarm reported? Yes
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 Information not provided
Upon restoration of power does the controller:
Auto-reboot without operator intervention? Yes
Automatically reset/synchronize the clock? Yes
Update all monitored functions? Yes
Generate an alarm if backup battery is dead? No - No Battery
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.)
Yes - Controllers on eeither side of a network break continue to operate peer-to-peer
Does network automatically reconfigure upon restoration? Yes
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? Information not provided
Others?
 
Control Enclosure Provided - Plastic case
Power Supply Required
Voltage 24 Vac
VA 9 VA
Surge Protection
Underwriters Laboratories UL 916 (Energy Management), UL 94-5 (plenum), UL864UUKL (smoke control)
FCC Part 15, Sub-Part B, Class A
CE Available
LonMark Certified
Yes
No
No - but LonWorks compatible
Information not provided
BACnet (BTL) Certified
Yes
No
Not submitted for testing
Information not provided
Other