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MCH Series Drives 

BACnet Communications Guide

Summary of Contents for AC Tech MCH Series

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

Page 2: ...nc 1791 Tullie Circle NE Atlanta GA 30329 http www bacnet org Modbus is a registered trademark of Schneider Electric founder of Modbus IDA http www modbus IDA org 2003 AC Technology Corporation No par...

Page 3: ...ed Programming Parameters 4 3 2 Omitted Parameters and Selections 4 3 3 Modified Parameters and Selections 5 3 4 Serial Communication Setup 5 4 MCH BACnet Objects 8 4 1 BACnet Object Map 8 4 2 Analog...

Page 4: ...n 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 Directi...

Page 5: ...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 connect...

Page 6: ...length of an MS TP segment is 1200 meters 4000 feet with AWG 18 cable Maximum number of nodes unit loads per segment is 32 as specified by the EIA 485 standard Because MS TP uses non return to zero N...

Page 7: ...e of bits 0 15 of the drive s 22 bit device number It can be used by itself to represent a device number in the range of 0 to 65535 If the device number exceeds 65535 then DEVICE NUM EX must also be u...

Page 8: ...ng of all MCH BACnet points Write commands will not be accepted without proper modification to these drive settings One exception to this is STOP commands which are always accepted over the LAN For se...

Page 9: ...erial watchdog timeout occurrence The options for this parameter are FAULT default and PRESET 3 If FAULT is selected and the drive is running when a serial watchdog timeout occurs the drive will trip...

Page 10: ...of serial control If Drive Parameter 30 Control is set to SERIAL AUTO and the drive was running when the timeout occurred the drive will also stop the motor by tripping into a SERIAL FAULT A fault res...

Page 11: ...ommand PID SETPOINT 1 00 50 AI 7 PID Feedback PID FEEDBACK 1 00 0 AV 1 Keypad Speed Command KEY SPD CMD Hz 0 01 20 00 AV 2 Keypad Setpoint Command KEY STPT CMD 1 00 50 BI 1 Run Stop Status RUN_STOP 1...

Page 12: ...back This object is for monitoring the current PID Feedback value at the input specified by Drive Parameter 74 PID Feedback The range of this object is defined by Drive Parameter 75 Feedback Min and D...

Page 13: ...information Object BI 6 Relay 1 This object monitors the state of the drive s Relay 1 output This object can be used to indicate various drive conditions as specified by Drive Parameter 54 RELAY1 Ref...

Page 14: ...his object indicates the type of fault on which the drive is currently tripped This object returns a value between 1 and 25 which corresponds to one of the following fault conditions Value Name Fault...

Page 15: ...is for monitoring the source of the speed setpoint reference States 1 through 9 are speed references States 10 through 18 are setpoint references This object must be in state 1 9 or 10 for the LAN to...

Page 16: ...peed Source Selection This object mimics the functionality of the SPEED SOURCE key on the drive keypad It is used to determine whether the drive will get its speed setpoint reference from Drive Parame...

Page 17: ...AC Technology Corporation 630 Douglas Street Uxbridge MA 01569 USA Sales 800 217 9100 Service 508 278 9100 www lenze actech com RG MHBAC e2...

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