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This documentation applies to the use of an MCH Series Variable Frequency Drive with LonWorks protocol and 
should  be  used  in  conjunction  with  the  MCH  Series  Installation  and  Operation  Manual  (Document  MH01)  that 
shipped with the drive. These documents should be read in their entirety as they contain important technical data 
and describe the installation and operation of the drive.

LON®, LonTalk® and LonWorks® are registered trademarks of the Echelon Corporation, San Jose CA 95126, 
http://www.echelon.com; support@echelon.com.

Anybus® and ABS-S® are registered trademarks of HMS Industrial Networks AB, Sweden, USA, Germany and 
other countries, http://www.anybus.com.

Modbus ™ is a registered trademark of Schneider Electric, founder of Modbus-IDA, http://www.modbus-IDA.org.

©  2003 AC Technology Corporation
No part of this documentation may be copied or made available to third parties without the explicit written approval 
of AC Technology Corporation. All information given in this documentation has been carefully selected and tested 
for compliance with the hardware and software described. Nevertheless, discrepancies cannot be ruled out. AC 
Tech does not accept any responsibility nor liability for damages that may occur. Any necessary corrections will be 
implemented in subsequent editions.

About These Instructions

Summary of Contents for LonWorks MCH Series

Page 1: ...MCH Series Drives LonWorks Communications Guide ...

Page 2: ...ered trademarks of HMS Industrial Networks AB Sweden USA Germany and other countries http www anybus com Modbus is a registered trademark of Schneider Electric founder of Modbus IDA http www modbus IDA org 2003 AC Technology Corporation No part of this documentation may be copied or made available to third parties without the explicit written approval of AC Technology Corporation All information g...

Page 3: ...mmunications Wiring 5 3 Drive Setup and Programming 6 3 1 Added Programming Parameters 6 3 2 Bus Configuration Parameters 7 3 3 Omitted Parameters and Selections 9 3 4 Modified Parameters and Selections 9 3 5 Serial Communication Setup 10 4 MCH LonWorks Network Variables 12 4 1 LonWorks Network Variable Map 12 4 2 Supported Input Network Variables 13 4 3 Supported Output Network Variables 15 4 4 S...

Page 4: ...en installing the drive controllers in machines commissioning i e the starting of operation as directed is prohibited until it is proven that the machine complies with the regulations of the EC Directive 98 37 EC Machinery Directive EN 60204 must be observed Commissioning i e starting drive as directed is only allowed when there is compliance to the EMC Directive 89 336 EEC The drive controllers m...

Page 5: ...o adapt the controller to your application as described in the documentation DANGER After the controller has been disconnected from the supply voltage do not touch the live components and power connection until the capacitors have discharged Please observe the corresponding notes on the controller Do not continuously cycle input power to the controller more than once every three minutes Close all ...

Page 6: ...e for Variable Speed Motor Drives This Anybus S LonWorks ABS LON module is located inside of the bypass or option box that is attached to the MCH Drive The ABS LON module communicates according to the LonTalk protocol This means that it can communicate with all LonWorks nodes that comply with this protocol but it does not necessarily mean that all services available in the LonTalk protocol are sup...

Page 7: ...as an application LED 3 Wink This LED indicates receipt of a wink command LED State Indicates Flashing Red Wink command received on LonWorks network Steady OFF Normal state LED 4 Network Status This LED indicates the communication status between the module and the LonWorks network LED State Indicates Steady OFF No power Flashing Red Receive heartbeat timeout occurred Fieldbus communication loss in...

Page 8: ...t B This is the 2 wire LonWorks bus designed according to the LonMark design guidelines The bus is of non polarization character and supports line powered networks Service Pin This pin is used for the optional remote functionality of the Service Pin pushbutton Refer to Figure 2 for an illustration on how to wire this Ground This pin is used for the remote Service Pin functionality Refer to Figure ...

Page 9: ...the user to enter the nominal frequency of the motor in Hz This value is required for many LON parameters including nviDrvSpeedStpt and nvoDrvSpeed to function properly This parameter has a minimum value of 0 00 Hz and a maximum value of 650 00 Hz The default is 60 00 Hz 125 APP REVISION This parameter allows the user to view the version of the application software installed in the ABS_LON module ...

Page 10: ...fline means the node is not participating actively on the network Value Node State 0 Unknown State 1 Unconfigured 2 Applicationless 3 Configured Online 4 Configured Offline 5 Soft Offline 6 Configured Bypass Offline 7 Hard Offline Bypass Offline 101 NEURON ID 5 Byte 6 of the unique Neuron ID MSB 102 NEURON ID 4 Byte 5 of the unique Neuron ID 103 NEURON ID 3 Byte 4 of the unique Neuron ID 104 NEURO...

Page 11: ...network has a unique ID of 0 1 3 or 6 bytes in length If the ID is shorter than 6 bytes it is left justified in the following parameters 117 122 117 DOMAIN ID 2 5 Byte 6 of the domain ID MSB 118 DOMAIN ID 2 4 Byte 5 of the domain ID 119 DOMAIN ID 2 3 Byte 4 of the domain ID 120 DOMAIN ID 2 2 Byte 3 of the domain ID 121 DOMAIN ID 2 1 Byte 2 of the domain ID 122 DOMAIN ID 2 0 Byte 1 of the domain ID...

Page 12: ...ave a unique serial address and this parameter has been removed 3 4 Modified Parameters and Selections 8 ACCEL This parameter defines the time that it will take for the drive to ramp the motor up from 0 00Hz to Drive Parameter 11 Max Frequency 9 DECEL This parameter defines the time that it will take for the drive to ramp the motor down from Drive Parameter 11 Max Frequency to 0 00Hz 24 AUTO SOURC...

Page 13: ... be set to accommodate the specific application intent NORMAL Serial start stop and serial speed commands are invalid NORM NO HAND Same as NORMAL except the HAND OFF AUTO herein referred to as H O A is limited to settings of OFF and AUTO SERIAL SPEED Serial start commands are invalid Serial speed commands are valid in AUTO S SPD NO HAND Same as SERIAL SPEED except H O A is limited to settings of O...

Page 14: ...MUST be the drive keypad KEY or MKB for the serial loss action to take effect When CONTROL is set to SERIAL AUTO the serial loss action will take effect with any speed reference This parameter also defines the action to be taken in the event that the drive is placed OFFLINE or a Receive Heartbeat timeout RX_FAIL occurs 57 SERIAL This parameter needs to be set to either WITH TIMER default or W O TI...

Page 15: ...ndatory nc52 nciMinOutTm nc158 nciNmlSpeed mandatory nc159 nciNmlFreq mandatory nc160 nciRampUpTm mandatory nc161 nciRampDownTm mandatory nc162 nciDrvSpeedScale nvoDrvSpeed SNVT_lev_percent nv4 nvoDrvCurnt SNVT_amp nv3 nvoDrvVolt SNVT_volt nv5 nvoDrvPwr Not supported SNVT_power_kilo nv6 nvoDrvRunHours SNVT_time_hour nv7 nviDrvSpeedStpt SNVT_switch nv2 nv1 nviDrvSpeedScale SNVT_lev_percent nviReset...

Page 16: ... the drive for operation and enables the object Commands not listed above will be reported as invalid_request in nvoObjStatus NviDrvSpeedStpt Definition Network input SNVT_switch nviDrvSpeedStpt Explanation This input network variable provides a low resolution speed setpoint It may also use the receive heartbeat function The speed setpoint is the result of multiplication of nviDrvSpeedStpt and nvi...

Page 17: ... is 150 then actual speed setpoint value is 150 meaning that he drive should run at 1 5 times nominal speed in the reverse direction Valid Range 163 840 to 0 00 or 0 00 to 163 835 The value 0x7FFF represents invalid data Default Value Defined by nciDrvSpdScl NviResetFault Definition Network input SNVT_switch nviResetFault Explanation This input network variable provides a mechanism to clear a faul...

Page 18: ...implementation EMERG_NUL Value not available Default Value EMERG_NORMAL 4 3 Supported Output Network Variables NvoObjStatus Definition Network output SNVT_obj_status nvoObjStatus Explanation This nvo reports the node object status Valid Range Bit Setting Function Invalid_id Invalid node ID requested report_mask Reporting supported fields Disabled 20 RQ_DISABLED is active electrical_fault 5 Same as...

Page 19: ...VT_time_hour nvoDrvRunHours Explanation This output network variable provides total operation time of the motor in hours Valid Range 0 to 65535 hours Default Value 0 hours NvoDrvVolt NOTE This parameter is not supported in drives with software version MC11101 or MC11102 Definition Network output SNVT_volt nvoDrvVolt Explanation This output network variable provides the drive output voltage in Volt...

Page 20: ...The drive is currently running the motor in reverse motion 2 NETCTRL The network is the active source for start stop control 3 NETREF The network is the active source for the speed reference 4 RTSO Not used 5 FAULT The drive is currently faulted 6 ALARM Not used 7 REF The drive is running the motor at the speed defined by the speed reference of the active control source i e actual drive speed comm...

Page 21: ... drive is currently faulted Valid Range State Value Command 0 0 0 The drive is not faulted 1 100 0 The drive is faulted Default Value 0 NvoEmrgOvrd Stat Definition Network output SNVT_hvac_emerg nvoEmrgOvrdStat Explanation Feedback for the nviEmrgOvrd Valid Range Value Function EMERG_NORMAL Not emergency mode motor control enabled EMERG_SHUTDOWN Emergency shutdown mode Motor stopped Default Value ...

Page 22: ...e that elapses after the last update to input network variables nviDrvSpeedStpt or nviDrvSpdScl If a timeout occurs the module indicates an RX_FAIL condition to the drive which induces the Serial Loss action described in Section 3 5 Valid Range 0 0 to 6553 5 sec The value 0xFFFF represents invalid data The value 0 disables the Receive Heartbeat mechanism Default Value 0 sec disabled NciMinOutTm De...

Page 23: ...s a percentage of nominal speed as defined by the Nominal Speed nciNmlSpeed configuration value The value of the minimum speed must be validated against the value of the maximum speed as follows 163 840 minimum speed maximum speed 163 835 Valid Range 163 840 to 0 000 or 0 000 to 163 835 The value 0x7FFF represents invalid data Default Value 0 830 nciMaxSpeed Definition Network config input SNVT_le...

Page 24: ... will take for the drive to ramp the motor from Max Frequency to 0 00Hz Valid Range 0 3 to 3600 0 sec Refer to MCH Installation and Operation Manual for the actual minimum boundary The value 0xFFFF represents invalid data Default Value 30 0 sec nciLocation Definition Network config input SNVT_str_asc nciLocation Explanation This configuration property can optionally be used to provide more descrip...

Page 25: ... the drive is ramping to a stop and reaches this level a coast to stop is performed The value is relative to nvoDrvSpeed i e a value of 5 corresponds to a nvoDrvSpeed value of 5 Valid Range 163 840 to 0 00 or 0 00 to 163 835 The value 0x7FFF represents invalid data Default Value 5 000 nciParValue Definition Network config input SNVT_count_inc nciParValue Explanation This nci is used as a value inp...

Page 26: ... Tech website Use Drive Parameter 63 to retrieve the software version of your MCH drive Drives with software versions MC11103 and later and MC121xx use the 21312203 XIF file If your MCH drive has an earlier software version MC11101 or MC11102 then contact technical support for the appropriate XIF file 4 6 Reference and Links MCH Series Variable Frequency Drives visit http www lenze actech com LonW...

Page 27: ...AC Technology Corporation 630 Douglas Street Uxbridge MA 01569 USA Sales 800 217 9100 Service 508 278 9100 www lenze actech com RG MHLON e3 ...

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