Eaton BACnet MS/TP OPTCJ User manual

MN04012006E For more information visit: www.EatonElectrical.com
BACnet MS/TP Option Board OPTCJ for 9000X Drives
User Manual
August 2006
New Information

BACnet MS/TP Option Board OPTCJ for 9000X Drives User Manual
MN04012006E
For more information visit: www.EatonElectrical.com
i
August 2006
Important Notice – Please Read
The product discussed in this literature is subject to terms and conditions outlined in Eaton
Electrical Inc. selling policies. The sole source governing the rights and remedies of any
purchaser of this equipment is the relevant Eaton Electrical Inc. selling policy.
NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A
PARTICULAR PURPOSE OR MERCHANTABILITY, OR WARRANTIES ARISING FROM COURSE
OF DEALING OR USAGE OF TRADE, ARE MADE REGARDING THE INFORMATION,
RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN. In no event will Eaton
Electrical Inc. be responsible to the purchaser or user in contract, in tort (including
negligence), strict liability or otherwise for any special, indirect, incidental or consequential
damage or loss whatsoever, including but not limited to damage or loss of use of equipment,
plant or power system, cost of capital, loss of power, additional expenses in the use of
existing power facilities, or claims against the purchaser or user by its customers resulting
from the use of the information, recommendations and descriptions contained herein.
The information contained in this manual is subject to change without notice.
Cover Photo: Cutler-Hammer
®
9000X Drives.

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Table of Contents
LIST OF FIGURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
LIST OF TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii
SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Definitions and Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Hazardous High Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv
Warnings and Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
CHAPTER 1 — GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
OPTCJ Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
BACnet Fieldbus Board Layout and Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
CHAPTER 2 — INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Grounding Cable Shield . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
LED Indications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Installing the BACnet MS/TP Option Board in an 9000X Drive . . . . . . . . . . . . . . . . 2-6
CHAPTER 3 — CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Fieldbus Board Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Expander Board Menu (M6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
BACnet Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Annex — Protocol Implementation Conformance
Statement (Normative) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Object Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
CHAPTER 4 — FAULT TRACKING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

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List of Figures
Figure 1-1: Cutler-Hammer BACnet Option Board OPTCJ . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Figure 2-1: Bus Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Figure 2-2: Stripped Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Figure 2-3: Locate Grounding Clamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Figure 2-4: Strip at Correct Distance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Figure 2-5: Both Cables on One Clamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Figure 2-6: Using Jumper X4 to Set the Bus Termination . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Figure 2-7: Biasing Resistor Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Figure 2-8: LED Indications on the BACnet Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Figure 3-1: Changing the BACnet Board Commissioning Parameter Values . . . . . . . . . . 3-1
Figure 3-2: Communication Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
List of Tables
Table 1-1: BACnet Option Board Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Table 1-2: OPTCJ Bus Connector Signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Table 2-1: Bias Resistor Size vs. Number of Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Table 2-2: BACnet Board Status LED (BS) YELLOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Table 2-3: Fieldbus Status LED (FS) GREEN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
Table 2-4: Installing the BACnet Option Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Table 3-1: BACnet Option Board Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Table 3-2: BACnet Message Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Table 3-3: Object Types and Properties Supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
Table 3-4: Binary Value Object . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Table 3-5: Analog Value Object . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
Table 4-1: RS-485 Option Board Faults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Table 4-2: Drive Responses to Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

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Safety
Definitions and Symbols
WARNING
This symbol indicates high voltage. It calls your attention to items
or operations that could be dangerous to you and other persons
operating this equipment. Read the message and follow the
instructions carefully.
This symbol is the “Safety Alert Symbol.” It occurs with either of
two signal words: CAUTION or WARNING, as described below.
WARNING
Indicates a potentially hazardous situation which, if not avoided,
can result in serious injury or death.
CAUTION
Indicates a potentially hazardous situation which, if not avoided,
can result in minor to moderate injury, or serious damage to the
product. The situation described in the CAUTION may, if not
avoided, lead to serious results. Important safety measures are
described in CAUTION (as well as WARNING).
Hazardous High Voltage
WARNING
Motor control equipment and electronic controllers are connected
to hazardous line voltages. When servicing drives and electronic
controllers, there may be exposed components with housings or
protrusions at or above line potential. Extreme care should be taken
to protect against shock.
Stand on an insulating pad and make it a habit to use only one
hand when checking components. Always work with another
person in case an emergency occurs. Disconnect power before
checking controllers or performing maintenance. Be sure
equipment is properly grounded. Wear safety glasses whenever
working on electronic controllers or rotating machinery.

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Warnings and Cautions
WARNING
Internal components and circuit boards are at high potential when
the drive is connected to the power source. This voltage is
extremely dangerous and may cause death or severe injury if you
come into contact with it.
CAUTION
Make sure that the drive is switched OFF before an option or
fieldbus board is changed or added.

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Chapter 1 — General
This manual describes the installation, configuration and use of the OPTCJ BACnet fieldbus
adapter from Eaton’s electrical business. The OPTCJ is a plug-in board that is compatible
with any open or enclosed drive product that uses an SVX or SPX processor module
(including the HVX9000 or CPX9000 family). The OPTCJ adapter can be used in slots D or E of
the processor module.
BACnet is an acronym for “ B uilding A utomation and C ontrol N etwork”. BACnet is a true non-
proprietary communication protocol conceived by a consortium of building management
and system users. BACnet has been adopted by ASHRAE (American Society of Heating
Refrigeration and Air-conditioning Engineers) as its standard network protocol, and is rapidly
gaining international acceptance. BACnet is used in building automation, lightning control,
air-conditioning and in heating automation. The protocol is suitable for enterprise wide
communication in large building automation projects.
The OPTCJ BACnet adapter is an MS/TP (Master-Slave/Token-Passing) device that supports
RS-485 physical layer.
WARNING
Internal components and circuit boards are at high potential when
the drive is connected to the power source. This voltage is
extremely dangerous and may cause death or severe injury if you
come into contact with it.

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OPTCJ Board
Table 1-1: BACnet Option Board Technical Data
System Software Versions
OPTCJ BACnet option board is supported from system software versions:
●
SVX SVX00031V015 or V016.VCN
●
SPX SPX00032V011 or V012.VCN
Category Description Specification
Connections Interface OPTCJ: Pluggable connector (5.08 mm)
Data transfer method RS-485 MS/TP, half-duplex
Transfer cable Twisted pair (1 pair and shield)
Electrical isolation 500V DC
Communications BACnet MS/TP As described in ANSI/ASHRAE Standards 135-2004
Baud rate 9600, 19200 and 38400 baud
MAC Addresses 1 to 27
Environment Ambient operating
temperature
14° – 131°F (-10° – 55°C)
Storing temperature -40° – 140°F (-40° – 60°C)
Humidity <95%, No condensation allowed
Altitude Max. 3280 ft. (1000m)
Vibration 0.5 G at 9 – 200 Hz
Safety — Fulfills EN 50178 standard

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BACnet Fieldbus Board Layout and Connections
The BACnet option board is connected to the fieldbus through either a 5-pin pluggable bus
connector (board OPTCJ) or a 9-pin female sub-D-connector (board OPTC8).
The communication with the control board of the drive takes place through the standard
Cutler-Hammer
®
Interface Board Connector.
Figure 1-1: Cutler-Hammer BACnet Option Board OPTCJ
Table 1-2: OPTCJ Bus Connector Signals

You can use this pin (1) to bypass the cable shield to the next slave.
Signal Connector Description
NC* 1

No connection
VP 2 Supply voltage — plug (5V)
RxD/TxD — N 3 Receive/Transmit data — A
RxD/TxD — P 4 Receive/Transmit data — B
DGND 5 Data ground (reference potential for VP)
Grounding
Plate
X4
X1
1
2
3
4
5
Interface Board
Connector
Bus
Connector
Jumpers

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Chapter 2 — Installation
Grounding Cable Shield
Grounding by Clamping the Cable to the Converter Frame (Recommended)
This manner of grounding is the most effective and especially recommended when the
distances between the devices are relatively short or if the device is the last device on the net.
Note: Normally, the option board has already been installed in slot D or slot E of the control
board. It is not necessary to detach the whole board for the grounding of the bus cable
shield. Just detach the terminal block.
1. Strip about 5 cm of the cable and cut off the gray cable shield. Remember to do this for
both bus cables (except for the last device). See Figures 2-1 and 2-2 .
2. Leave no more than 1 cm of the cable outside the terminal block and strip the data
cables at about 0.5 cm to fit in the terminals. See pictures below.
Note: Do this for both bus cables.
Figure 2-1: Bus Cables
Figure 2-2: Stripped Cable
1 2 3 4 5
AB

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3. Insert the data conductors of both cables into terminals #3 (Line B) and #4 (Line A).
4. Strip the cable at such a distance from the terminal that you can fix it to the frame with
the grounding clamp. See Figures 2-3 and 2-4 :
Figure 2-3: Locate Grounding Clamp
Figure 2-4: Strip at Correct Distance

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Grounding Only One Point on the Net
In this manner of grounding, the shield is connected to ground only at the last device on the
net in the same way as described on Pages 2-1 and 2-2 . Other devices of the net just pass the
shield. The use of a ferule to will allow the cable shielding to easily be inserted into the
terminal block.
1. Strip about 5 cm of the cable and cut off the gray cable shield. Remember to do this for
both bus cables (except for the last device).
2. Leave no more than 1 cm of the cable outside the terminal block and strip the data cable
at about 0.5 cm to fit in the terminals. See Figure 2-5 .
Note: Do this for both cables.
Figure 2-5: Both Cables on One Clamp
3. Fix both the cables on the frame with the clamp. See Figure 2-5 .
Bus Terminal Resistors
Figure 2-6: Using Jumper X4 to Set the Bus Termination
If the drive is the last device of the fieldbus line, the bus termination must be set. Use jumper
X4 (ON position). See Figure 2-6 .
Shield A B
1 2 3 4 5
X4
X1
1
2
3
4
5
ON
OFF

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Bus Biasing
Bus biasing is recommended to ensure fault free communication between all of the devices
on RS-485. Bus biasing ensures that the bus is at the proper potential when no device is
transmitting. Without biasing, faulty messages can be detected when the bus is in idle state.
RS-485 bus state should be within +200 mV to +7V or -200 mV to -7V. Illegal bus state is from
-200 mV to +200 mV.
Table 2-1: Bias Resistor Size vs. Number of Node
Fail Safe Biasing in OPTCJ Option Board
Connect biasing resistors between pins #2 and #4 as well as pins #3 and #5 as shown in
Figure 2-7 .
Figure 2-7: Biasing Resistor Connections
Matters related to this are discussed in the application note Failsafe Biasing of Differential
Buses (an-847.pdf) published by National Semiconductor (www.national.com).
Number of Nodes Bias Resistance
2 – 5 1.8K ohm
5 – 10 2.7K ohm
11 – 20 12K ohm
21 – 30 18K ohm
31 – 40 27K ohm
Data A
Data B
1
2
3
4
5

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LED Indications
The two LED indications next to the connector show the present statuses of the BACnet
board (yellow) and the Fieldbus Module (green).
Figure 2-8: LED Indications on the BACnet Board
Table 2-2: BACnet Board Status LED (BS) YELLOW
Table 2-3: Fieldbus Status LED (FS) GREEN
LED is: Meaning
OFF Option board not activated.
ON Option board in initialization state waiting for activation command from the drive.
Blinking fast
(once/sec)
Option board is activated and in RUN state. Option board is ready for external
communication.
Blinking slow
(once/5 secs)
Option board is activated and in FAULT state. Internal fault of option board.
LED is: Meaning
OFF Fieldbus module is waiting for parameters from the drive.
●
No external communication
ON Fieldbus module is activated.
●
Parameters received and module activated
●
Module is waiting for messages from the bus
Blinking fast
(once/sec)
Module is activated and receiving messages from the bus.
Blinking slow
(once/5 secs)
Module is in FAULT state.
●
No messages from Master within the watchdog time
●
Bus broken, cable loose or Master off line
X4
Yellow
Green
X1
1
2
3
4
5

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Installing the BACnet MS/TP Option Board in an 9000X Drive
CAUTION
Make sure that the drive is switched OFF before an option or
fieldbus board is changed or added.
Table 2-4: Installing the BACnet Option Board
Item Description
ALocate the 9000X drive.
BRemove the cable cover.
COpen the cover of the control unit.

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Table 2-4: Installing the BACnet Option Board (Continued)
Item Description
DInstall the BACnet option board in slot E on the control
board of the drive. Make sure the grounding plate
(shown below) fits tightly in the clamp.
EMake a sufficiently wide opening for your cable by
cutting the grid as wide as necessary.
FClose the cover of the control unit and the cable cover.
Grounding Plate

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