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Honeywell

• 16

LonWorks interface

6.

LonWorks interface

Features of the LonWorks interface:

•

Direct control of drive (e.g. Run, Stop, Direction, Speed reference, Fault reset)

•

Full access to all drive parameters

•

Monitor drive status (e.g. Output frequency, Output current, Fault code)

6.1

XIF file

XIF file tells network-management tools how to communicate and recognize a device. It can be
downloaded from www.Honeywell.com, and it is also included with the shipped Support CD. It
contains Program ID, NVs, CPs, functional blocks, etc.

6.2

General

Figure 3. The node object diagram

Node Object:0

Mandatory

Network

Variables

nviRequest

SNVT_obj_request

nv1

nv oStatus

SNVT_obj_s tatus

nv2

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Summary of Contents for LonWorks

Page 1: ...Honeywell Installation and User Manual LonWorks protocol for Variable Frequency Drives ...

Page 2: ......

Page 3: ... 7 4 Layout connections and installation 8 4 1 LonWorks OPT C4 option board 8 4 1 1 Connections 8 4 1 2 LED indications 9 4 2 Installation 10 4 3 Prepare for use through LonWorks 12 5 Commissioning 15 5 1 I O and Hardware menu M5 15 5 2 LonWorks board parameters 15 6 LonWorks interface 16 6 1 XIF file 16 6 2 General 16 6 3 Input Network Variables 18 6 4 Output network variables 21 6 5 Network conf...

Page 4: ... on the keypad go out if no keypad is attached see the indicators on the cover Wait 5 more minutes before doing any work on the connections of drive Do not open the cover before this time has expired After expiration of this time use a measuring equipment to absolutely ensure that no voltage is present Always ensure absence of voltage before starting any electrical work The control I O terminals a...

Page 5: ... earth leakage current of drives exceeds 3 5mA AC According to standard EN61800 5 1 a reinforced protective ground connection must be ensured See chapter 1 3 If the AC drive is used as a part of a machine the machine manufacturer is respon sible for providing the machine with a supply disconnecting device EN 60204 1 Only spare parts delivered by Honeywell can be used At power up power brake or fau...

Page 6: ... earth fault protection inside the AC drive protects only the drive itself against earth faults in the motor or the motor cable It is not intended for personal safety Due to the high capacitive currents present in the AC drive fault current protective switches may not function properly Do not perform any voltage withstand tests on any part of drive There is a certain procedure according to which t...

Page 7: ... needed Nodes on a network communicate with each other using LonTalk protocol Interoperable nodes use Standard Network Variable Types SNVT for communicating over the network The definition of an SNVT includes units a range and an increment Honeywell option board uses only Stan dard Network Variable Types for the data types All network variables are either input data is coming from the network to t...

Page 8: ...nodes are allowed per network segment the individual segments can be connected together by a router See Table 3 for possible cable types and cable lengths for FTT 10 Even if unshielded cable types are possible to be used with this type of transceiver it is still highly recommended to use only shielded cables with frequency converters At tention should be paid to proper grounding of the shield to e...

Page 9: ...Variable speed profile Leading manufacturers of drive technology have jointly defined the LonMark 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 con tains necessary specifications for speed control and positioning It specifies the basic drive fu...

Page 10: ...onnected to the fieldbus through 3 pin pluggable bus connector The communication with the control board takes place through the standard drive Interface Board Connector 4 1 LonWorks OPT C4 option board Figure 2 4 1 1 Connections Signal Connector Description A1 21 Data A2 22 Data Shield 23 Shield Table 4 21 22 23 H3 H2 H1 X5 ...

Page 11: ...tion com mand from the frequency converter Blinking fast once 1 s Option board is activated and in RUN state Option board is ready for external communication Blinking slow once 5 s Option board is activated and in FAULT state Internal fault on option board Table 6 LED is Meaning OFF Fieldbus module is activated Parameters received and module activated Module is waiting for messages from the bus ON...

Page 12: ...ut connections and installation 4 2 Installation 1 Open the cover of the AC drive The relay outputs and other I O terminals may have a dangerous control voltage present even when drive is disconnected from mains DANGER ...

Page 13: ...ard is compatible with drive See below NOTE Incompatible boards cannot be installed on drive Compatible boards have a slot coding that enable the placing of the board see above 3 Open the inner cover 1 to reveal the option board slots D E and install the fieldbus board 2 into slot D or E Close the inner cover See Figure below 21 22 23 Slot coding 1 2 D E ...

Page 14: ...han 10 mm of the cable outside the terminal block and strip the cables at about 5 mm to fit in the terminals See picture below Also strip the cable now at such a distance from the terminal that you can fix it to the frame with the grounding clamp Strip the cable at a maximum length of 15 mm Do not strip the aluminum cable shield 5 Then connect the cable to its appropriate terminals on LonWorks Opt...

Page 15: ...of the network segments is required Depending on the type of network either one or two terminations are necessary Free topology network segment requires only one termination whereas a doubly terminated bus topology requires two The jumper X5 on the Honeywell LonWorks board must be set accordingly Use 94 ohm termination resistance when only one termination is needed 47 ohm termination resistance fo...

Page 16: ...e board in 9 Remount the AC drive cover and run the cable as shown in picture NOTE When planning the cable runs remember to keep the distance between the fieldbus cable and the motor cable at a minimum of 30 cm 10 The bus termination must be set for the first and the last device of the fieldbus line See picture below See also step 7 on page 13 We recommend that the first device on the bus and thus...

Page 17: ...dbus parameters may differ from application to application The exemplary paths below apply to the drive 1 Set fieldbus parameters M5 x 3 See below 2 Select Fieldbus control as the Remote Control Place 3 Choose source of reference 5 2 LonWorks board parameters Code Parameter Min Max Unit Default ID Description M5 x 3 1 Service Pin 0 1 0 Broadcasts a service pin message to the network Navigate Main ...

Page 18: ...t frequency Output current Fault code 6 1 XIF file XIF file tells network management tools how to communicate and recognize a device It can be downloaded from www Honeywell com and it is also included with the shipped Support CD It contains Program ID NVs CPs functional blocks etc 6 2 General Figure 3 The node object diagram Node Object 0 Mandatory Network Variables nviRequest SNVT_obj_request nv1...

Page 19: ...v33 nvoProcessOut4 SNVT_lev_percent nv34 nvoProcessOut5 SNVT_lev_percent nv35 nvoProcessOut6 SNVT_lev_percent nv36 nvoProcessOut7 SNVT_lev_percent nv37 nvoProcessOut8 SNVT_lev_percent nvoDigitalOut2 SNVT_switch nv39 nvoDigitalOut3 SNVT_switch nv40 nvoDigitalOut4 SNVT_switch nv41 nvoDigitalOut5 SNVT_switch nv42 nvoDigitalOut6 SNVT_switch nv43 nvoDigitalOut7 SNVT_switch nv44 nvoDigitalOut8 SNVT_swit...

Page 20: ...speed in re verse direction The valid range is 163 840 to 163 830 The value 0x7FFF 163 835 will be handled as an invalid value Default value is determined by nciDrvSpeedScale This value will be adopted at power up and in case of not receiving an update within the specified Receive Heartbeat time Function Variable Name SNVT Type Min value Max value Node Object request nviRequest SNVT_obj_request Dr...

Page 21: ...trip counter nviProcessIn1 8 These input network variables are sent directly to the application see more detailed explana tion in chapter 6 5 Process data The valid range is 0 to 65535 163 840 to 163 835 nviDigitalIn1 8 These input network variables are sent directly to the application see more detailed explana tion in chapter 6 5 Process data Default value is 0 0 State Value Command 0 any no acti...

Page 22: ...e to parameter number 102 Max frequency HVAC Application par ID102 value 4500 45Hz Write command to nviParSet LN_LEARN_CURRENT 102 x x 11 94 x x x x If the write command is successful then nvoParOut value is LN_LEARN_CURRENT 102 0 0 11 94 0 0 0 0 If the write command fails then nvoParOut value is LN_NUL 102 0 0 11 94 0 0 0 0 Example2 Read parameter number 112 Nominal speed of the motor HVAC Applic...

Page 23: ... Actual drive power nvoDrvPwr SNVT_power_kilo 0 0 kW 6553 5 kW Drive total running hours nvoDrvRunHours SNVT_time_hour 0 h 65535 Status word nvoDrvStatus SNVT_state n a n az kWh trip counter nvoDrvEnrgy SNVT_elect_kwh 0kWh 65535kWh Active fault code nvoActFault SNVT_count 0 41 Process Out nvoProcessOut1 8 SNVT_ lev_percent 0 65535 Digital Out nvoDigitalOut1 8 SNVT_switch 0 4 Parameter Out nvoParRe...

Page 24: ... maximum value the network variable stays at its maximum In such cases the real value can be seen on drive operating keypad nvoActFault This output network variable provides the drive active fault code If the value is 0 the frequency converter has no fault See the fault code list in drive User s Manual for fault identification nvoProcessOut1 8 These output network variables are sent directly from ...

Page 25: ... property is used to control the maximum time that elapses after the last up date of the network variables nviDrvSpeedStpt or nviDrvSpeedScale before the VSD object starts to use the default values nciSndHrtBt This configuration property defines the maximum period that expires before the network vari ables nvoDrvSpeed nvoDrvCurnt and nvoDrvPwr are automatically updated nciMinOutTime This configura...

Page 26: ...ed nciNmlFreq This configuration property is used to provide the nominal frequency for the motor nciRampUpTm Defines the acceleration time for drive The valid range is 0 0 to 6 553 4 sec 0 1 sec nciRampDownTm Defines the deceleration time for drive The valid range is 0 0 to 6 553 4 sec 0 1 sec nciDrvSpeedScale This configuration property is used as the default value for nviDrvSpeedScale This value...

Page 27: ...ll texts and codes on the keypad display and send a description of the problem together with the Drive Info File to fieldbus Honeywell com 7 1 Typical fault conditions If you need to contact Honeywell service in problems related to LonWorks please send a de scription of the problem together with the Drive Info File to fieldbus Honeywell com Fault condition Possible cause Remedy Termination resisto...

Page 28: ...e active control place see Chapter 5 1 Master software 1 Write 100 0 1 to nviDrvSpeedStpt 2 Frequency converter status is RUN and output frequency is 1 00 nviDrvSpeedScale 3 Write 0 0 0 to nviDrvSpeedStpt 4 Frequency converter status is STOP If nvoDrvStats bit 3 1 Status of frequency converter is FAULT ...

Page 29: ......

Page 30: ...lephone 49 7031 637 01 Telefax 49 7073 637 493 www ecc emea honeywell com EN2B 0373GE51 R0911 September 2011 2011 Honeywell International Inc Find out more For more information on Honeywell s variable frequency drives and other Honeywell products visit us online at http ecc emea honeywell com ...

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