Vacon Optc3 Manuale utente

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ac drives

optc3/c5

profibus dp option board

user manual

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INDEX

Document code: DPD00892A

Date: 17.01.2012

1. GENERAL ...........................................................................................................................3

2. PROFIBUS DP OPTION BOARD TECHNICAL DATA..............................................................4

2.1 General ..................................................................................................................................... 4

2.2 Profibus cable........................................................................................................................... 5

3. PROFIBUS DP..................................................................................................................... 7

3.1 Introduction .............................................................................................................................. 7

3.2 Profiles ..................................................................................................................................... 8

3.2.1 Variable Speed Drive Profile (3.071)................................................................................. 8

4. PROFIBUS FIELDBUS BOARD LAYOUT AND CONNECTIONS..............................................9

4.1 Profibus OPT-C3 option board.................................................................................................. 9

4.1.1 Grounding of bus cable shield in OPT-C3 ...................................................................... 10

4.2 Profibus OPT-C5 option board................................................................................................ 15

4.2.1 Grounding of a D-connector:.......................................................................................... 15

4.3 Bus terminal resistors ........................................................................................................... 16

4.4 LED indications....................................................................................................................... 17

5. INSTALLATION OF VACON NX PROFIBUS BOARD ............................................................ 19

6. COMMISSIONING.............................................................................................................. 21

6.1 Fieldbus board parameters.................................................................................................... 21

6.2 Start-up test ........................................................................................................................... 23

7. PROFIBUS-VACON NX INTERFACE .................................................................................. 24

7.1 General ................................................................................................................................... 24

7.2 Operation mode...................................................................................................................... 24

7.3 PPO types ............................................................................................................................... 25

7.4 Process data........................................................................................................................... 26

7.4.1 Control word................................................................................................................... 27

7.4.2 Status word..................................................................................................................... 28

7.4.3 State machine................................................................................................................. 29

7.4.4 Reference 1 .................................................................................................................... 30

7.4.5 Actual value 1 ................................................................................................................. 30

7.4.6 PD1…PD8........................................................................................................................ 30

7.5 Parameter data ...................................................................................................................... 32

7.5.1 Parameter field .............................................................................................................. 33

7.6 Example messages ................................................................................................................ 35

8. FAULT TRACKING............................................................................................................. 37

9. Type files.......................................................................................................................... 38

9.1 GSD-file (“Profibus Support Disk”files: vac29500.GSD, vac29500.GSE) ............................... 38

10. APPENDIX ........................................................................................................................ 39

general vacon • 3

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1. GENERAL

Vacon NX frequency converters can be connected to the Profibus DP using a fieldbus board. The con-

verter can then be controlled, monitored and programmed from the Host system.

The Profibus fieldbus board shall be installed in slot E on the control board of the frequency con-

verter.

WARNING!

Internal components and circuit boards are at high potential when the frequency

converter 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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2. PROFIBUS DP OPTION BOARD TECHNICAL DATA

2.1 General

Profibus DP con-

nections

Interface

OPTC3

: Pluggable connector (5.08mm)

OPTC5

: 9-pin DSUB connector (female)

Data transfer

method

RS-485, half-duplex

Transfer cable Twisted pair (1 pair and shield)

Electrical isolation 500 VDC

Communications

Profibus DP As described in document “Profibus Profile for variable

speed drives, Profidrive”

PPO types 1, 2, 3, 4, 5

Baud rate 9.6 kbaud to 12 Mbaud

Addresses 2 to 126

Environment

Ambient operating

temperature

–10°C…55°C

Storing tempera-

ture

–40°C…60°C

Humidity <95%, no condensation allowed

Altitude Max. 1000 m

Vibration 0.5 G at 9…200 Hz

Safety

Fulfils EN50178 standard

Table 2-1. Profibus technical data

technical data vacon •5

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2.2 Profibus cable

Profibus devices are connected in a bus structure. Up to 32 stations (master or slaves) can be con-

nected in one segment. The bus is terminated by an active bus terminator at the beginning and end of

each segment (see

Figure 2-1

). To ensure error-free operation, both bus terminations must always be

powered. When more than 32 stations are used, repeaters (line amplifiers) must be used to connect

the individual bus segments.

The maximum cable length depends on the transmission speed and cable type (see

Table 2-3

). The

specified cable length can be increased using the repeaters. The use of more than 3 repeaters in se-

ries is not recommended.

Parameter

Line A

Line B

Impedance

Capacity

Resistance

Wire gauge

Conductor area

135 ... 165

Ω

(3 to 20 Mhz)

< 30 pF/m

< 110 Ω/ km

> 0,64 mm

> 0,34 mm2

100 ... 130

Ω

( f > 100kHz)

< 60 pF/m

> 0,53 mm

> 0,22 mm2

Table 2-2. Line parameters

Baud rate

(kbit/s)

9.6

19.2

93.75

187.5

500

1500

3000-

12000

Length line A (m)

1200 1200 1200 1000 400 200 100

Length line B

(m)

1200 1200 1200 600 200 - -

Table 2-3. Line length for different transmission speeds

E.g. following cables can be used:

Belden Profibus Data Cable 3079A

Olflex Profibus Cable 21702xx

Siemens SINEC L2 LAN cable for Profibus 6XV1 830-0AH10

NOTE!

1. Minimum distance between power and bus cables is 30cm.

2. Minimum cable length between two stations of 1m is recommended.

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Figure 2-1. Cabling and bus termination

profibus dp vacon •7

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3. PROFIBUS DP

3.1 Introduction

Profibus is a vendor-independent, open fieldbus standard for a wide range of applications in manu-

facturing, process and building automation. Vendor independence and openness are guaranteed by

the Profibus standard EN 50 170. With Profibus, devices of different manufacturers can communicate

without special interface adjustments. Profibus can be used for both high-speed time critical data

transmission and extensive complex communication tasks. The Profibus family consists of three

compatible versions.

Profibus DP

Optimized for high speed and inexpensive hookup, this Profibus version is designed especially for

communication between automation control systems and distributed I/O at the device level. Profibus-

DP can be used to replace parallel signal transmission with 24 V or 0 to 20 mA.

Profibus PA

Profibus PA is designed especially for process automation. It permits sensors and actuators to be

connected on one common bus line even in intrinsically-safe areas. Profibus PA permits data com-

munication and power over the bus using a 2-wire technology according to the international standard

IEC 1158-2.

Profibus FMS

Profibus FMS is the general-purpose solution for communication tasks at the cell level. Powerful

FMS services open up a wide range of applications and provide great flexibility. Profibus FMS can also

be used for extensive and complex communication tasks.

Profibus specifies the technical and functional characteristics of a serial fieldbus system with which

decentralized digital controllers can be networked together from the field level to the cell level.

Profibus distinguishes between master devices and slave devices.

Master devices determine the data communication on the bus. A master can send messages without

an external request when it holds the bus access rights (the token). Masters are also called 'active

stations' in the Profibus protocol.

Slave devices are peripheral devices. Typical slave devices include input/output devices, valves,

drives and measuring transmitters. They do not have bus access rights and they can only acknowl-

edge received messages or send messages to the master when requested to do so. Slaves are also

called 'passive stations'.

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3.2 Profiles

The Profibus DP protocol defines how user data are to be transmitted between the stations over the

bus. User data are not evaluated by the Profibus DP transmission protocol. The meaning is specified

in the profiles. In addition, the profiles specify how Profibus DP is to be used in the application area.

The following Profibus DP profile is used in VACON NX Profibus Fieldbus board.

3.2.1

Variable Speed Drive Profile (3.071)

Leading manufacturers of drive technology have jointly defined the PROFIDRIVE profile. The profile

specifies how the drives are to be parameterized and how the setpoints and actual values are to be

transmitted. This enables drives from different vendors to be exchanged. The profile contains neces-

sary specifications for speed control and positioning. It specifies the basic drive functions while leav-

ing sufficient freedom for application-specific expansions and further developments. The profile de-

scribes the mapping of the application functions for DP or FMS.

fieldbus board layout and connections vacon •9

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4. PROFIBUS FIELDBUS BOARD LAYOUT AND CONNECTIONS

Vacon Profibus Fieldbus Board is connected to the fieldbus through either a 5-pin pluggable bus con-

nector (board OPT-C3) or a 9-pin female sub-D-connector (board OPT-C5).

The communication with the control board takes place through the standard Vacon Interface Board

Connector.

4.1 Profibus OPT-C3 option board

Figure 4-1. Vacon Profibus option board OPT-C3

Signal

Connector

Description

Shield 1 Cable shield

VP 2 Supply voltage – plus (5V)

RxD/TxD –P 3 Receive/Transmit data – plus (B)

RxD/TxD –N 4 Receive/Transmit data – minus (A)

DGND 5 Data ground (reference potential for

VP)

Table 4-1. OPT-C3 bus connector signals

Bus connector Jumpers Interface board connector

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4.1.1

Grounding of bus cable shield in OPT-C3

The bus cable shield can be grounded in three different ways:

a) directly to the frequency converter frame

b) to the frame of the frequency converter through an RC filter

c) clamping the cable to the converter frame (recommended)

Note: Normally, the option board has already been installed in 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 termi-

nal block.

4.1.1.1

Grounding the bus cable shield directly to the frequency converter frame using jumper X1

1Set jumper X1 in ON position:

Figure 4-2. Jumper X1 positions

2Strip about 5 cm of the Profibus cable as shown in the picture.

Note: Do the same for both bus cables (except for the last device). However, since the

grounding shall be done on one cable only cut off the exposed part of the other grounding

cable.

Figure 4-3.

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