Installation Instructions
Issue Date
April 9, 2003
AS-CVTPROx00-1 Zone Bus/N2 Bus Interface Converter
Application
The AS-CVTPROx00-1 Zone Bus/N2 Interface
Connector for Palm V Adapter,
Palm III, or Palm VII
Yellow LED
(Receiving)
Converter is portable converter designed to provide a
communication interface between the room sensors
and controllers operating on a Zone Bus or N2 Bus
and a Personal Computer (PC) or specified models of
the PalmTM family of Personal Digital Assistants
(PDAs). See Table 2 for compatible Palm devices. See
Table 4 for compatible tools, Operating Systems (OSs)
and controllers.
Green LED
(Transmitting)
Red LED
(Power)
Note: The AS-CVTPROx00-1 converter can be used
in place of the MM-CVT101-0 converter module. The
MM-CVT101-0 converter is not compatible with
Windows NT®, Windows® 2000 and later versions of
Windows OSs.
Battery Cover
Figure 2: CVTPRO Converter Front
Connection Ports
!
ports for connections to a Personal Computer (PC), a
Palm handheld PDA, an External Power Adapter, and
a Zone Bus/N2 Bus RJ11 6-pin network cable phone
plug.
CAUTION: Risk of Property Damage
Do not apply power to the system before checking
all wiring connections. Short circuited or improperly
connected wires may result in permanent damage to
the equipment.
Cable Connectors
Figure 3 shows the 6-pin phone plug end of the
N2 cable used by the CVTPRO converter for N2 Bus
communication. For Zone Bus communication, always
use standard Zone Bus cables.
6-Pin RJ11 Phone Jack
for Zone Bus/N2 Bus
Network Connection
Input Jack for
External Power
Adapter
N2+ (Blue)
N2 Ref. (Red)
N2- (White)
Serial Port for PC or
Palm m1xx or m5xx Devices
Figure 3: N2 Cable 6-Pin RJ11 Network Phone Plug
Figure 1: CVTPRO Converter Back
the mating connector for a Palm III, Palm V, or
Palm VII PDA. Green and yellow Light-Emitting Diodes
(LEDs) display the N2 communication status of the
unit relative to the field device. The red LED shows
power status.
Pin Signal
1
2
3
4
5
6
N2+
Zone Bus Power
GND
N2 Ref
Zone Bus Signal
N2-
Figure 4: Zone Bus/N2 Bus RJ11 Network
Phone-Jack Pin Designations
© 2003 Johnson Controls, Inc.
Part No. 24-9544-0, Rev. C
1
Connecting to the CVTPRO Converter
between a CVTPRO converter and other devices.
for more detail about N2 Bus connections.
Palm III, Palm V device with Dock V PRO Adapter,
or Palm VII1, 2
TE-6x00/TMZ
Room Sensor
RJ11 Jack,
6-Pin
CVTPRO
Converter
Compatible
Controller
External Power
Adapter3
or
or
Serial Port
Zone Bus
N2 Bus
RJ45 Jack,
8 Pin
CVTPRO
Serial Cable
RJ11 6-pin Jack
for Zone Bus/N2 Bus
Connection
DB9 Port
N2 Bus Interface,
4-Pin N2 Socket/
3-Pin N2 Plug with Tab
Personal Computer1
or
DB9
Connector
Palm m1xx or m5xx
(with additional connectors)
See Table 2.
Notes:
1. Do not connect the CVTPRO converter to the Palm device and laptop/PC at the same time.
2. Unplug the Palm device from the CVTPRO converter when not in use (conserves battery power).
3. The CVTPRO200-1 (European version) does not ship with an external power adapter.
Figure 5: Overview of Possible CVTPRO Converter Connections
3
AS-CVTPROx00-1 Zone Bus/N2 Bus Interface Converter Installation Instructions
Connecting the CVTPRO Converter to a Controller
with N2 Screw Terminals
To scan a N2 Bus:
To connect the CVTPRO converter to a controller with
screw terminals (Figure 6):
1
Disconnect the N2 Bus from the N2 master
controller.
1. Disconnect the three N2 wires from the controller
screw terminals and temporarily isolate the
individual bare wires with insulating tape.
2
Remove the N2 plug (with attached N2 wires) from
the controller (4-pin plug on the VMA and 3-pin
plug on other controllers).
2. Remove the 4-pin N2 socket from the CVTPRO
3
4
Connect the 3-pin or 4-pin N2 plug that was
disconnected from the controller in Step 2, to the
4-pin N2 socket on the CVTPRO converter cable.
(See Figure 7.) Observe proper polarity (N2+ is
blue, N2- is white, Ref is red).
3. Connect the exposed N2+ (blue), N2- (white), and
Ref (red) wires from the CVTPRO N2 cable to the
controller screw terminals. Observe proper
polarity.
Connect the 6-pin RJ11 phone plug on the
opposite end of the CVTPRO N2 cable to the
4. Connect the 6-pin RJ11 phone plug on the
opposite end of the CVTPRO N2 cable to the
CVTPRO N2 Cable
3-Pin N2 Plug
Cable to the
6-Pin RJ11 Phone Plug
and CVTPRO Converter
VMA
4-Pin Jack
S
H
L
R
E
F
N
2
-
N
2
+
Connect these
components
D
Ref (Red)
to communicate
with the controller
via the CVTPRO
Converter.
N2- (White)
Remove
4-Pin N2
Socket
N2+ (Blue)
Wire Directly to
Controller Terminals
CVTPRO N2 Cable
3-Pin N2 Plug
cvtunt.cdr
Figure 6: CVTPRO N2 Connection to Controllers
with Screw Terminals
Cable to the
6-Pin RJ11 Phone Plug
and CVTPRO Converter
Connecting the CVTPRO Converter to a Controller
with a N2 Jack
To connect the CVTPRO converter to a controller with
a removable N2 plug:
4-Pin N2 Socket on the
CVTPRO N2 Cable
1. Remove the 3 or 4-pin N2 plug from the controller.
4-Pin N2 Plug
Unplugged
from the VMA
2. Plug the 3-pin plug CVTPRO N2 cable into the
jack on the controller (The Variable Air Volume
Modular Assembly [VMA] has 4-pin jack, and other
N2 controllers have 3-pin jacks). Observe proper
polarity (N2+ is blue, N2- is white, Ref is red).
Connect these
components
to scan the N2 Bus
via the CVTPRO
Converter.
SH
LD
REF N2- N2+
To
To
Next
N2
N2 REF
N2+
N2-
N2 REF
Next
N2
3. Connect the 6-pin RJ11 phone plug on the
opposite end of the CVTPRO N2 cable to the
CVTPRO converter (Figure 3).
N2-
N2+
Device
Device
CVTVMA
a VMA controller with a removable 4-pin N2 plug.
Figure 7: CVTPRO N2 Connection to a VMA with a
Removable N2 Plug
4
AS-CVTPROx00-1 Zone Bus/N2 Bus Interface Converter Installation Instructions
Compatibility
Table 4 lists compatible tools, Operating Systems, and
controllers used over the Zone Bus and N2 Bus with
the CVTPRO converter.
Compatible controllers include the Air Handling Unit
(AHU), Unitary Controller (UNT), Variable Air Volume
Controller (VAV), Network Dialer Module (NDM),
and VMA.
Table 4: Compatibility Chart
Tool
Bus
Operating System
Compatible Controller
AHU1xx
HVAC PRO Software (part of N2 Bus
M-Tool Release 5.0 or later)
Windows 98 SE/Windows NT1/
Windows 2000PE2 OS
Windows 98 SE/Windows 2000PE2, 3
OS
UNT1xx
Zone Bus
UNT11xx
VAV1xx
VMA14x0
Zone Bus
Windows NT1
VMA14x0*
VMA14x0
VBT1400
VBT1200
Zone Bus
Palm Personal Digital Assistant (PDA)
with OS Version 3.5 or later
Zone Bus
N2 Bus
Palm PDA with OS Version 2.x or later
VMA12x0
GX-9100 Software
Configuration Tool (part of
M-Tool Release 5.0 or later)
Windows 98 SE/Windows NT1/
DT-9100
Windows 2000PE2 OS
DX-9100
XT9100 (XP91xx)
XTM-905 (XPx-xxx)
XTM-105 (XPx-xxx)
XTM Configuration Tool
NDM Configuration Tool
N2 Bus
N2 Bus
Windows 98 SE/1Windows NT1/
Windows 2000PE2 OS
Windows 98 SE/ Windows NT1/
NDM
Windows 2000PE2 OS
Note:
The CVTPRO converter is not compatible with Zone Terminal Units (ZTUs). For ZTUs, use the CBLPRO-2
converter. See the Auxiliary Gear Technical Bulletin (LIT-6363080) for details on Johnson Controls® converters.
1
2
For proper CVTPRO converter operation when running on Windows NT OSs, Service Pack 6 must be installed.
For proper CVTPRO converter operation when running on Windows 2000 OSs, use the Professional Edition only, and
Service Pack 2 must be installed.
3
*
On Zone Bus applications running on Windows 2000 OSs, HVAC PRO Version 8.04B or later must also be installed.
When using the VMA14x0 with HVAC PRO software (versions prior to Version 8.04B only) over the Zone Bus with
Windows NT OSs, a Device Conflict box appears whenever the user attempts an operation (for example, upload or
download). To bypass the box, select Yes or No and the box disappears. The selected operation continues as
expected.
Battery Power Recommendations
Table 5: *Typical Battery Life in CVTPRO Converter
AAA Battery:
The CVTPRO converter requires two (user-supplied)
AAA alkaline type batteries on N2 Bus applications
(when the External Power Adapter is not used).
Battery life varies depending on the N2 Bus load,
ambient temperature and type of batteries. See
Table 5 and observe the following guidelines.
Manufacturer
Battery Life
and Model/Type
Ray-O-Vac® Industrial Plus
Duracell® CopperTop
4-1/2 hours
5-1/2 hours
6-1/2 hours
•
•
Always have a spare set of new batteries on hand.
Eveready® Energizer Max®
*
using a CVTPRO converter in continuous operation
When performing long downloads with the
CVTPRO converter, use the External Power
Adapter instead of batteries.
on a fully loaded N2 Bus at room temperature (70°F
[21°C])
AS-CVTPROx00-1 Zone Bus/N2 Bus Interface Converter Installation Instructions
5
Technical Specifications
Product AS-CVTPROx00-1 Zone Bus/N2 Bus Interface Converter
AS-CVTPRO100-1 with 120VAC/3VDC External Power Adapter (North American version)
AS-CVTPRO200-1 without power adapter (European version)
Power Requirements Zone Bus: Controller Supplied Power: Stand-alone or via Thermostat - 24 VAC or
VMA applications - 15 VDC
N2 Bus: External Power Adapter: 120 VAC to +3 VDC 200 mA Class 2 Transformer
(Included with CVTPRO Converter in North America only) or
Battery Power: Two type AAA Alkaline, not included, see Table 5.
Agency Listings FCC Part 15 Subpart B, Class A
CE Mark:
EN50081-2 (Electromagnetic Compatibility, EN55011, Class A)
EN50082-2 (Electromagnetic Compatibility, EN61000-3-2 and EN61000-3-3)
0 to 50°C (32 to 122°F) 20-80% RH (Relative Humidity)
30°C (86°F) Maximum Dew Point
Ambient Operating
Conditions
Ambient Storage
Conditions
-40 to +60°C (-40 to 140°F) 5-95% RH
30°C (86°F) Maximum Dew Point
Shipping Weight 0.227 kg (0.5 lb.)
The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these
specifications, consult the local Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or
misuse of its products.
Refer to the Auxiliary Gear Technical Bulletin (LIT-6363080) for necessary information on ordering, operation, and performance specifications
of this product.
Controls Group
507 E. Michigan Street
P.O. Box 423
Published in U.S.A.
Milwaukee, WI 53201
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AS-CVTPROx00-1 Zone Bus/N2 Bus Interface Converter Installation Instructions
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