Cutler-Hammer Jonson Controls N2 Manuale utente

Code No. LIT-1201829 For more information visit:

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Eaton’s Cutler-Hammer Technology

N2 and XT BUS Communication

User Manual

March 2006

Supersedes January 2006

VSD IntelliPass VSD Open VSD Enclosed Intellipass w/DX-9100

Code No. LIT-1201829

For more information visit:

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March 2006

Eaton’s Cutler-Hammer Technology

N2 and XT BUS Communication User Manual

Important Notice – Please Read

The product discussed in this literature is subject to terms and conditions outlined in

Johnson Controls selling policies. The sole source governing the rights and remedies of any

purchaser of this equipment is the relevant Johnson Controls 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 Johnson

Controls or 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: Johnson Controls VSD Series Drives.

For more information visit:

www.johnsoncontrols.com

Code No. LIT-1201829

March 2006

N2 and XT BUS Communication User Manual

Eaton’s Cutler-Hammer Technology

Table of Contents

LIST OF FIGURES

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

LIST OF TABLES

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

SAFETY

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv

Deﬁnitions and Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv

Hazardous High Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv

CHAPTER 1 — OVERVIEW

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Speciﬁcations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

CHAPTER 2 — BOARD LAYOUT AND CONNECTIONS

. . . . . . . . . . . . . . . . . . . . . . . . 2-1

VS-OPTNX Communication Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

CHAPTER 3 — INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Making the Ground Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Bus Terminal Resistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

LED Indications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Installing the VS-OPTNX Communication Board . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

CHAPTER 4 — COMMISSIONING

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Fieldbus Board Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

RS-485 Communication Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

CHAPTER 5 — JOHNSON CONTROLS METASYS N2 PROTOCOL

. . . . . . . . . . . . . . . 5-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

N2 Point Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

CHAPTER 6 — JOHNSON CONTROLS METASYS XT BUS PROTOCOL

. . . . . . . . . . . 6-1

DX-9100 XT Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

XT Bus Point Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

CHAPTER 7 — COMMUNICATION BOARD FAULT TRACKING

. . . . . . . . . . . . . . . . . . 7-1

APPENDIX A — PROCESS DATA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Process Data OUT (Slave

➔

Master). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Code No. LIT-1201829

For more information visit:

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iii

March 2006

Eaton’s Cutler-Hammer Technology

N2 and XT BUS Communication User Manual

List of Figures

Figure 2-1: Option Board VS-OPTNX Communication Board . . . . . . . . . . . . . . . . . . . . . . 2-1

Figure 3-1: Cable Stripping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Figure 3-2: Inserting the Data Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Figure 3-3: Grounding the Communication Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Figure 3-4: Stripping the Communication Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Figure 3-5: Grounding the Communication Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Figure 3-6: Using Jumper X4 to Set the Bus Termination . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Figure 3-7: LED Indications on the Communication Board . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Figure 4-1: Communication Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Figure 6-1: Deﬁne VSD Analog Points by Selecting the 6AI,

2AO XT Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

Figure 6-2: Assign User Names and the Hardware Address for

the XT Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

Figure 6-3: Deﬁne VSD Digital Points by Selecting the 4DI,

4DO XT Expansion Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

Figure 6-4: Assign User Names for the XT Expansion Module . . . . . . . . . . . . . . . . . . . . . 6-3

Figure 6-5: Deﬁne All of the VSD/XT Analog Inputs as “Active” . . . . . . . . . . . . . . . . . . . 6-4

Figure 6-6: Deﬁne the VSD/XT Active Analog Inputs as Noted in Table 6-1 . . . . . . . . . . . 6-4

Figure 6-7: Deﬁne the VSD/XT Digital Inputs as Noted in Table 6-3 . . . . . . . . . . . . . . . . . 6-5

Figure 6-8: Assign User Names and Deﬁne the VSD/XT Analog Outputs

as Noted in Table 6-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-5

Figure 6-9: Deﬁne the VSD/XT Digital Outputs as ON/OFF Type . . . . . . . . . . . . . . . . . . . 6-6

Figure 6-10: Assign User Names for the VSD/XT Digital Outputs

as Noted in Table 6-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6

Figure 6-11: After Saving the File — Download the DX and XT from

the “Action” Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7

List of Tables

Table 1-1: Speciﬁcations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Table 2-1: VS-OPTNX Bus Connector Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Table 3-1: Communication Board Status LED (BS) — YELLOW . . . . . . . . . . . . . . . . . . . . 3-4

Table 3-2: Fieldbus Status LED (FS) — GREEN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Table 3-3: Installing the VS-OPTNX Communication Board . . . . . . . . . . . . . . . . . . . . . . . 3-5

Table 4-1: Changing the N2/XT Bus Board Commissioning Parameter Values . . . . . . . . 4-1

Table 4-2: Communication Message Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3

Table 5-1: Analog Inputs (AI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3

Table 5-2: Binary Inputs (BI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

Table 5-3: Analog Outputs (AO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

Table 5-4: Binary Outputs (BO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

Table 5-5: Internal Integers (ADI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

Table 6-1: Analog Inputs (AI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

Table 6-2: Analog Outputs (AO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

Table 6-3: Digital Inputs (DI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

Table 6-4: Digital Outputs (DO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

Table 7-1: Communication Board Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

Table 7-2: VSD Response to Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

Table A-1: Fieldbus Parameters — M1

➔

G1.9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

For more information visit:

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Code No. LIT-1201829

March 2006

N2 and XT BUS Communication User Manual

Eaton’s Cutler-Hammer Technology

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.

Code No. LIT-1201829

For more information visit:

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1-1

March 2006

Eaton’s Cutler-Hammer Technology

N2 and XT BUS Communication User Manual

Chapter 1 — Overview

Introduction

The Johnson Controls VSD Series Drives powered by Cutler-Hammer

technology from

Eaton’s electrical business can be controlled, monitored and programmed from a host

system via Johnson Controls N2 or XT BUS communication protocols with the addition of

the VS-OPTNX RS-485 Communication Option Board.

If you purchase your Communication Board separate from the drive, please note that it must

be installed in slot D or E on the control board of the VSD Series drive.

Speciﬁcations

Table 1-1: Speciﬁcations



The N2/XT Bus is a “daisy chain” communications line. It consists of three wires for the following signals: +, –, and Common. The

+ and – lines carry the actual data signals. The Common line provides a reference so that each connected device is capable of elec-

trically receiving and transmitting data by creating a common voltage reference among all the devices connected together over

the communication bus. Three conductors are required. It is important that the + and – lines are twisted together, which allows

most induced noise (common-mode noise) from external sources to affect both lines equally, thereby canceling the noise. In most

installations, the communication bus works ﬁne with unshielded cable. However, in noisy environments, shielded twisted wire

must be used.

Item Speciﬁcation

Communication Board Connections

Interface VS-OPTNX: Pluggable connector (5.08 mm)

Data Transfer Method RS-485, half-duplex

Communication Bus 3-wire (Twisted pair + Reference) shield optional



Electrical Isolation 500V DC

Communications

Johnson Controls N2 Bus As described in Metasys N2 System Protocol Speciﬁcation

Johnson Controls XT Bus As described in Metasys System 9100 Protocol Speciﬁcation

Baud Rate 9600 baud

Addresses 1 to 247

Environment

Ambient Operating Temperature 14 to 131°F (-10 to 55°C)

Storage Temperature -40 to 140°F (-40 to 60°C)

Humidity <95%, non-condensing

Altitude Max. 3280 ft. (1000m)

Vibration 0.5G at 9 to 200 Hz

Safety

Standards Fulﬁls EN 50178 standard

Certiﬁcation CE, UL

1-2

For more information visit:

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Code No. LIT-1201829

March 2006

N2 and XT BUS Communication User Manual

Eaton’s Cutler-Hammer Technology

Code No. LIT-1201829

For more information visit:

www.johnsoncontrols.com

2-1

March 2006

Eaton’s Cutler-Hammer Technology

N2 and XT BUS Communication User Manual

Chapter 2 — Board Layout and Connections

The VS-OPTNX RS-485 Communication Board is connected to the communications bus

through a 5-pin pluggable bus connector.

Communication with the control board of the drive takes place through the standard Interface

Board Connector (see

Figure 2-1

VS-OPTNX Communication Board

Figure 2-1: Option Board VS-OPTNX Communication Board

Table 2-1: VS-OPTNX Bus Connector Signals



This pin (1) can be used to bypass the cable shield to the next slave.

X4 jumper is the 120

termination resistor. Set X4 jumper to ON only if the

Johnson Controls N2 Protocol is selected and the drive is the last device on the

network. N/A for XT bus communication.

X1 jumper has no effect on VS-OPTNX board.

Signal Connector Description

SHLD



Shield

VP 2 Supply voltage – plus 5V (not used)

- 3 Receive/Transmit data – minus (N2-/RT-)

+ 4 Receive/Transmit data – plus (N2+/RT+)

COM 5 Bus Common (REF/COM)

Interface Board Connector

Jumpers

Yellow = RS-485 Board Status

Green= Field Bus Status

Bus Connector

OFF

2-2

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Code No. LIT-1201829

March 2006

N2 and XT BUS Communication User Manual

Eaton’s Cutler-Hammer Technology

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