Modbus Parameter Specifications

MODBUS ACE V1.00
_______________________________________________________________________________________
ebm-papst Mulfingen GmbH & Co. KG
Bachmühle 2 ·74673 Mulfingen ·Phone: [phone] ·Fax: [phone] ·www.ebmpapst.com ·[e-mail]
DocNo.: 634505DocNo: 446144DocNo.:358982DocNo.:322523DocNo.:309753DocNo.:303997DocNo.:276241DocNo.:256078DocNo.:196392 ·Template: 2 dated 10/6/2003 ·File: ext001931381.docx ·Last printed 9/30/2019 10:29:00
AM ·Page 2 of 78
Form 1003
Contents
Change history...................................................................................................................................................... 6
1 Protocol frame ............................................................................................................................................... 7
1.1 Byte structure ......................................................................................................................................... 7
1.2 Communication process ......................................................................................................................... 7
1.2.1 Command from master ................................................................................................................... 8
1.2.2 Response from fan .......................................................................................................................... 9
1.3 Commands ........................................................................................................................................... 10
1.3.1 Read holding register .................................................................................................................... 10
1.3.2 Read input register ........................................................................................................................ 11
1.3.3 Write single register ...................................................................................................................... 12
1.3.4 Diagnostics ................................................................................................................................... 13
1.3.5 Write multiple register ................................................................................................................... 14
1.3.6 Commands with addressing by serial number .............................................................................. 15
1.3.7 Other commands .......................................................................................................................... 24
2 Holding registers ......................................................................................................................................... 25
2.1 Overview .............................................................................................................................................. 25
2.2 Reset .................................................................................................................................................... 28
2.3 Set value .............................................................................................................................................. 29
2.4 Password.............................................................................................................................................. 31
2.5 Factory setting Control ......................................................................................................................... 31
2.6 Customer setting Control ..................................................................................................................... 32
2.7 Operating hours counter ...................................................................................................................... 32
2.8 Operating minutes counter ................................................................................................................... 32
2.9 Addressing on/off ................................................................................................................................. 33
2.10 Stored set value ................................................................................................................................ 35
2.11 Enable RS485 .................................................................................................................................. 35
2.12 Fan address ...................................................................................................................................... 36
2.13 Set value source ............................................................................................................................... 36
2.14 Preferred running direction ............................................................................................................... 37
2.15 Store set value .................................................................................................................................. 37
2.16 Mode of operation ............................................................................................................................. 38
2.17 Direction of action ............................................................................................................................. 38
2.18 Control parameters ........................................................................................................................... 39
2.19 Maximum modulation level ............................................................................................................... 41
2.20 Minimum modulation level ................................................................................................................ 41
2.21 Motor stop enable ............................................................................................................................. 41
2.22 Starting modulation level .................................................................................................................. 42
2.23 Maximum permissible modulation level ............................................................................................ 42
2.24 Minimum permissible modulation level ............................................................................................. 42
2.25 Maximum speed ............................................................................................................................... 43
2.26 Maximum permissible speed ............................................................................................................ 43
2.27 Ramp-up/ramp-down curve .............................................................................................................. 44
2.28 Speed limit ........................................................................................................................................ 44
2.29 Input characteristic curve.................................................................................................................. 45
2.30 Maximum power ............................................................................................................................... 46
2.31 Maximum permissible power ............................................................................................................ 46
2.32 Speed monitoring speed limit ........................................................................................................... 47
2.33 Sensor actual value source .............................................................................................................. 47
2.34 Interface settings .............................................................................................................................. 48
2.34.1 Transmission speed ...................................................................................................................... 48
2.34.2 Parity configuration ....................................................................................................................... 48
2.34.3 Procedure for changing interface setting ...................................................................................... 49