Danfoss VLT 6000 series User manual

Instruction Manual

BACLink®

VLT®6000 and VLT® 2800

Adjustable Frequency Drives

176U7869 10/02

DANGER

Rotatingshaftsandelectricalequipmentcan

be hazardous. Therefore, it is strongly

recommended that all electrical work

conform to National Electrical Code (NEC)

and all local regulations. Installation, start-

up and maintenance should be performed

only by qualified personnel.

Motor control equipment and electronic controls are connected to

hazardous line voltages. When servicing drives and electronic

controls, there will be exposed components 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. lways work with another

person in case of an emergency. Disconnect power whenever

possible to check controls or to perform maintenance. Be sure

equipment is properly grounded. Wear safety glasses whenever

working on electric control or rotating equipment.

Touching electrical parts may be fatal ñ even after equipment has

been disconnected from AC line. To be sure that capacitors have

fully discharged, wait 14 minutes after power has been removed

before touching any internal component.

DANGER

WARNING

Warnings Against Unintended Start

1. While the drive is connected to the C line, the motor can be

brought to a stop by means of external switch closures, serial bus

commands or references. If personal safety considerations make it

necessary to ensure that no unintended start occurs, these stops

are not sufficient.

2. During programming of parameters, the motor may start. Be

certain that no one is in the area of the motor or driven equipment

when changing parameters.

3. motor that has been stopped may start unexpectedly if faults

occur in the electronics of the drive, or if an overload, a fault in the

supply C line or a fault in the motor connection or other fault

clears.

4. If the Local/Hand key is activated, the motor can only be brought

to a stop by means of the Stop/Off key or an external safety

interlock.

CAUTION

Electronic components of BACLink portal are

sensitive to electrostatic discharge (ESD). ESD

can reduce performance or destroy sensitive

electronic components. Follow proper ESD

procedures during installation or servicing to

prevent damage.

VLT is a registered Danfoss trademark

Table of Contents

Introduction ...................................................................................................................................................... 5

About this manual ...................................................................................................................................... 5

References ................................................................................................................................................. 5

Trademarks ................................................................................................................................................. 5

Mounting requirements ................................................................................................................................... 7

Wiring and terminal tightening specifications .............................................................................................. 7

Electrical iring ............................................................................................................................................... 8

VLT 6000 net ork connection ......................................................................................................................... 9

VLT 6000 termination s itch settings ....................................................................................................... 9

VLT 6000 net ork iring ........................................................................................................................... 9

VLT 6000 BACnet start up ........................................................................................................................ 10

Changing VLT 6000 parameter data ....................................................................................................... 10

VLT 2800 net ork connection ....................................................................................................................... 11

VLT 2800 BACnet start up ........................................................................................................................ 11

Changing VLT 2800 parameter data ....................................................................................................... 11

Ethernet net ork connection ....................................................................................................................... 12

Wiring ........................................................................................................................................................ 12

Set IP address of portal ............................................................................................................................ 13

Set configuration jumpers on portal ....................................................................................................... 13

ARCnet net ork connection ......................................................................................................................... 14

EIA-485 net ork connection ......................................................................................................................... 15

EIA-232 net ork connection ......................................................................................................................... 16

Po er up ........................................................................................................................................................ 17

Troubleshooting drive communication ........................................................................................................ 17

Troubleshooting Ethernet communication .................................................................................................. 17

Loss of signal recovery time ......................................................................................................................... 17

Appendix: BACnet POINT MAPPING TABLES for BACLink PORTAL ......................................................... 18

VLT is a registered Danfoss trademark

Introduction

The Danfoss BACLink® is a microprocessor based communication

portal that provides seamless translation between BACnet and

Danfoss VLTs. The portal supports BACnet communications

through thernet, BACnet IP over thernet (often referred to as

thernet IP), ARCnet, IA-485 (using MS/TP), or IA-232 (PTP).

The BACLink portal provides a dedicated thernet port and two

serial communication ports which can be configured for different

protocols. Baud rates are software selectable. An optional IA-485

4-wire connection is also available to extend network cable length

beyond 4000 feet.

Do not input multiple protocol formats to the portal at the same time

since this can cause a communications loop and generate

excessive electrical noise.

BACLink accesses the Johnson Controls Metasys® N2 protocol

resident in the Danfoss VLT® 2800 and VLT® 6000 Adjustable

Frequency Drives. The BACLink port operates with an internal

ARCnet operating protocol. Recommended connection is through

IA-485 compatible, half duplex, 9600 baud, shielded twisted-pair

wiring. Data points in the N2 database are classified as analog I/O

(floating point), binary I/O or integer data points. ach data type

has a unique structure defined in the Metasys N2 system Protocol

Specification for Vendors.

An appendix at the back of this manual contains the drive point

maps for BACnet.

About this manual

The information in this manual is intended to provide

comprehensive information on installation and set up of the VLT for

communication over a BACnet network.

It is assumed that the user has knowledge of the capabilities of the

BACnet network in addition to an understanding of the Danfoss

VLT 2800 and VLT6000 drives. For specific information on

operation of the drive, refer to the Installation, Operation and

Maintenance Manual for the VLT 6000 or the Operating

Instructions for the VLT 2800.

References

In addition to this manual, the following manuals may be

referenced:

Installation, Operation and Maintenance Manual for the

VLT®6000 djustable Frequency Drive, Danfoss Graham

number 23-6108-00.

Operating Instructions for the VLT ® 2800, Danfoss number

MG28Axxx

Johnson Controls Metasys® N2 System Protocol Specification

for Vendors, Johnson Controls number 04-3402-22.

Trademarks

Metasys® N2 is a Johnson Controls Inc registered trademark.

VLT® is a Danfoss registered trademark.

6VLT is a registered Danfoss trademark

Power switch. Two position on/off power switch.

Portal address label. Identifies factory-set or default portal

addresses.

Port connectors label. Identifies factory-settings for

communication ports 1 and 2. Default setting for port 1 is

unassigned. Default setting for port 2 is IA-485.

24 VAC connector. Input power for BACLink module.

Format button. Normally not used with BACnet. Contact the

Danfoss Graham service department for information on its use to

clear factory-set programming.

Address rotary switches. Rotary switches used to set BACLink

portal network addresses. Set addresses 01-99 with DIP switch 5

in the +0 position. Set addresses 100-199 with DIP switch 5 in the

+100 position.

Port 1. Preferred port for ARCnet connection. Selectable for

ARCnet or 2-wire IA-485. Set DIP switch 4 (Port 1) to Other to

enable linking drives with IA-485 wiring. Set DIP switch 4 (Port

1) to ARC156 for use as ARCnet connector. (See DIP switches.)

Figure 1. BACLink Portal

LED indicators. Status indicator lights for functions as labeled.

Access port. Utility port for factory programming, set up, and to

assign the IP address. The access port cannot be used as a

communication point or to download memory to the BACLink.

D P switches. Two position switches used to enable selection of

IP address, module address, and network type. Sw1 and Sw2

are disabled in VLT communication applications.

Keypad/Display port. Access port for optional keypad.

Port 2. Preferred port for IA-485 connection to the VLT drives.

The terminal is jumper selectable for 2-wire/4-wire IA-485 or

IA-232. Default setting is IA-485 (2-wire).

Port 2 configuration jumpers. Jumper placement determines

the configuration for IA-485 (2-wire), IA-485 (4-wire), or

IA-232 communication for Port 2. Default is IA-485 2-wire.

Ethernet port. thernet network connector supports 10baseT

network communication with BACLink.

Power

Run

Error

Port 1 Transmit

Port 1 Receive

Port 2 Transmit

Port 2 Receive

Link

Lan

Shield

Net -

Net +

Port 1

Address

Format

Single Class 2

Source Only

24 VAC, 60-80 Hz

7.2VA, 0.3A

Use Copper

Conductors Only

Open Energy

Management Equipment

Ethernet

10 baseT

Keypad/Display

Port

1432

Access

Port

Off/On

Default/Assigned

ARC156/Other

Address

+0 / +100

IP Addr

Port 1

Sw1

VLT

BACLink

Ground

24 Vac

PowerOff On

2 wire 4 wire EIA-232

Net + Tx + Tx

Net - Tx - Rx

n/c Rx + DTR/RTS

n/c Rx - DCD/CTS

Signal Ground

EIA-485

EIA-232

485 - 4w

485 - 2w

10ës

1ës

Format Button

Addressing

Rotary Switches

Access Port

DIP Switches

Keypad/Display Port

Port 2

Configuration

Jumpers

Ethernet

Port 1

LED Indicators

24 VAC

Power Switch

Depth: 1

BACnet

Assigned IP Address

Port 2

Port 1

Connection

Portal Address Label

Port Connectors Label

Port

VLT is a registered Danfoss trademark

Wiring and terminal tightening specifications

Terminal tightening and wire specifications for the VLT2800 and

VLT 6000 are defined in Table I.

Total wiring length to connect up to 10 VLT 6000 and VLT 2800

drives from the BACLink portal should not exceed 3,000 feet

(900m) at 9600 baud rate.

Table I. Control Wiring and Torque

Specifications

Mounting requirements

Mount the BACLink enclosure as required using the predrilled

mounting holes (see Figure 2). The unit weighs approximately

15.3 pounds (7 kg).

For BACLink portals ordered without an enclosure, mount the unit

in an enclosed panel using the mounting holes provided on the

BACLink portal backplate (refer back to Figure 1). Leave about 2

inches (5 centimeters) on each side for wiring access. In addition,

the BACLink portal requires 24 VAC input power.

BACLink portal is a Class 2 device (less

than 30VAC, 100VA maximum). Take

appropriate isolation measures when

mounting BACLink portal in control panels

where non-Class 2 devices (for example,

120VAC) or wiring are present.

WARNING

11.00

[279.4]

∅0.31

[7.9]

4 PLCS.

9.00

[228.6] 12.22

[310.4]

12.22

[310.4] 4.21

[107.0]

NOTE: Dimensions in inches [mm].

Figure 2. BACLink Enclosure Mounting Dimensions

Torque

Specification Control Wiring 24 VAC Input Wiring

4.5 in-lbs (0.5 Nm) 18 – 24 AWG

(0.75mm2– 0.2mm2)

shielded twisted pair

22 AWG (0.3mm2)

8VLT is a registered Danfoss trademark

Figure 3. BACLink Enclosure Electrical Components

Electrical wiring

1. Power must be supplied to the 115 VAC outlet from an

external source (see Figure 3 .

2. Plug transformer into 115 VAC outlet.

3. Connect transformer cable to 24 VAC connector on

BACLink board.

VLT is a registered Danfoss trademark

Table II. VLT 6000 DIP Switch Settings

Figure 4. VLT 6000 DIP Switch

VLT 6000 network connection

VLT 6000 termination switch settings

DIP switches 2 and 3 on the main control board of the VLT6000

(see Figure ) are used to configure the drive for BACnet serial

bus termination. The switch position shown is the factory setting.

See Table II for setting information. The DIP switch are located

directly above terminals 61, 68 and 69 on the board.

Figure 5. VLT 6000 Network iring

61 69

N(-)

EIA-485

COM

P(+)

EIA-485

VLT 6000 network wiring

1. Connect signal wires to drive terminal 68 (P+) and terminal

69 (N-) on main control board of drive (see figure ).

2. If shielded cabling is used, connect one end of shield to

terminal 61. This terminal is connected to ground via an

internal RC link.

For additional wiring guidelines, see the procedures for specific

network-type connections in this manual.

NOTE

It is highly recommended to use shielded,

twisted-pairwires toreduceelectrical noise

on drive communications. Ensure that

drive is grounded properly according to

instructions in the drive manual.

SWITCH SETTING

Switch 1 Reserved/No function

Switches 2 & 3 Used for terminating an EIA-485 interface. When

the drive is the first, last, or only device on a

network, switches 2 and 3 must be ON.

When the drive is in any other location on the

network, switches 2 and 3 must be OFF.

Switch 4 Not applicable with BACnet.

10 VLT is a registered Danfoss trademark

VLT 6000 BACnet start up

The BACLink portal will have factory default settings ready for

operation without user adjustment. Parameters 500, 501 and 502

must be set as shown in Table III. Other settings may be

changed to meet application re uirements. Refer to the VLT 6000

Installation, Operation and Maintenance Manual for details on

programming the drive.

The appendix in this manual lists point maps for BACnet.

Table III. VLT 6000 Serial Communication Startup Parameter Settings

Parameter Name Setting

500 Protocol METASYS N2

501 Address 01

502 Baud rate 9600 BAUD (fixed at 9600 for N2 protocol)

503 Coasting LOGIC OR

504 DC brake LOGIC OR

505 Start LOGIC OR

506 Reversing DIGITAL INPUT

507 Select setup LOGIC OR

508 Select speed LOGIC OR

560 Override release time OFF

The values in

bold

are

default values.

Changing VLT 6000 parameter data

Use the VLT 6000 keypad to access the Extended Menu key and

the 500 Group (serial communication) parameters Enter or

change parameter data or settings in accordance with the

following procedure

1 Press [Extend Menu] key

2 Use t and u keys to find parameter group to edit

3 Use [+] and [-] keys to find parameter you chose to edit

4 Press [Change Data] key

5 Use [+] and [-] keys to select correct parameter setting

6 Press [Cancel] key to disregard change, or press [OK] key

to accept change and enter new setting

7 Press [Display Mode] key to return to normal drive display

VLT is a registered Danfoss trademark

VLT 2800 network connection

1 Connect signal wires to drive terminal 68 (P+) and terminal

69 (N-) on main control board of drive (see Figure 6)

2 If shielded cabling is used, observe standard shielding

practice by grounding shielded wiring at only one point in

system

For additional wiring guidelines, see the procedures for specific

network-type connections in this manual

NOTE

It is highly recommended to use shielded,

twisted-pairwires toreduceelectrical noise

on drive communications. Ensure that

drive is grounded properly according to

instructions in the drive manual.

VLT 2800 BACnet start up

The BACLink portal will have factory default settings ready for

operation without user adjustment

Parameters 500, 501 and 561 must be set as shown in Table

IV. Other settings may be changed to meet application

requirements The settings shown will serve as a good starting

reference Refer to the VLT2800 Operating Instructions for

details on changing parameters and programming the drive

The appendix in this manual lists point maps for BACnet

Changing VLT 2800 parameter data

Use the VLT 2800 keypad to access the Menu Mode and the 500

Group (serial communication) parameters Enter or change

parameter data or settings in accordance with the following

procedure

1 Press [Quick Menu] and [+] key at same time to enter menu

mode

2 Use [+] and [-] keys to find parameter you chose to edit

3 Press [Change Data] key

4 Use [+] and [-] keys to select correct parameter setting

5 Press [Change Data] key to accept change and enter new

setting or press [Quick Menu] key to disregard change

6 Press [Quick Menu] key to return to display mode

Parameter Name Setting

500 Address 001

501 Baud rate 9600 BAUD (fixed at 9600 for N2 protocol)

502 Coasting LOGIC OR

503 Quick stop LOGIC OR

504 DC brake LOGIC OR

505 Start LOGIC OR

506 Reversing LOGIC OR

507 Select setup LOGIC OR

508 Select speed LOGIC OR

560 N2 Override release time OFF

561 Protocol METASYS N2

Table IV. VLT 2800 Serial Communication Startup Parameter Settings

The values in

bold

are

default values.

Figure 6. VLT 2800 Networ Connection

67 70

N(-)

EIA-485

P(+)

EIA-485



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