Modbus Parameter Specifications
Table Of Contents
- Change history
- 1 Protocol frame
- 2 Holding registers
- 2.1 Overview
- 2.2 Reset
- 2.3 Set value
- 2.4 Password
- 2.5 Factory setting Control
- 2.6 Customer setting Control
- 2.7 Operating hours counter
- 2.8 Operating minutes counter
- 2.9 Addressing on/off
- 2.10 Stored set value
- 2.11 Enable RS485
- 2.12 Fan address
- 2.13 Set value source
- 2.14 Preferred running direction
- 2.15 Store set value
- 2.16 Mode of operation
- 2.17 Direction of action
- 2.18 Control parameters
- 2.19 Maximum modulation level
- 2.20 Minimum modulation level
- 2.21 Motor stop enable
- 2.22 Starting modulation level
- 2.23 Maximum permissible modulation level
- 2.24 Minimum permissible modulation level
- 2.25 Maximum speed
- 2.26 Maximum permissible speed
- 2.27 Ramp-up/ramp-down curve
- 2.28 Speed limit
- 2.29 Input characteristic curve
- 2.30 Maximum power
- 2.31 Maximum permissible power
- 2.32 Speed monitoring speed limit
- 2.33 Sensor actual value source
- 2.34 Interface settings
- 2.35 Rotating direction fail-safe mode
- 2.36 Fail-safe set value source
- 2.37 Set value for fail safe function
- 2.38 Time lag fail-safe speed
- 2.39 Cable break detection voltage
- 2.40 Sensor
- 2.41 Enable source
- 2.42 Stored enable RS485
- 2.43 Customer data
- 2.44 Error history
- 2.45 DC-link voltage reference value
- 2.46 DC-link current reference value
- 2.47 Manufacturing data
- 2.48 Air flow reference value
- 2.49 Mass flow reference value
- 2.50 Mirror function for holding registers
- 2.51 Mirror function for input registers
- 2.52 Mass flow calculation
- 3 Input registers
- 3.1 Overview
- 3.2 Identification
- 3.3 Maximum number of bytes
- 3.4 Bus controller software name
- 3.5 Bus controller software version
- 3.6 Commutation controller software name
- 3.7 Commutation controller software version
- 3.8 Actual speed
- 3.9 Motor status
- 3.10 Warning
- 3.11 DC-link voltage
- 3.12 DC-link current
- 3.13 Motor temperature
- 3.14 Temperature inside electronics
- 3.15 Current modulation level
- 3.16 Current set value
- 3.17 Sensor actual values
- 3.18 Enable input state
- 3.19 Current controller function
- 3.20 Current power
- 3.21 Current set value source
- 3.22 Energy consumption counter
- 3.23 Heartbeat
- 3.24 Mirrored input registers
MODBUS ACE V1.00
_______________________________________________________________________________________
ebm-papst Mulfingen GmbH & Co. KG
Bachmühle 2 ·74673 Mulfingen ·Phone: +49 (0) 7938/81-0 ·Fax: +49 (0) 7938/81-110 ·www.ebmpapst.com ·info1@de.ebmpapst.com
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 62 of 78
Form 1003
2.50 Mirror function for holding registers
The mirror function for holding registers can be used to select up to 32 holding registers from all the fan
holding registers and arrange these in an individual order in a contiguous address area. These individually
compiled holding registers can then be addressed with a single read or write command. The transmission
speed for all the information required for an application can be optimized using this function.
The mirror function is made up of two register ranges:
Original addresses of mirrored holding registers (D480 - D49F)
Mirrored holding registers (D380 - D39F)
A holding register from one of these ranges is always assigned to one from the other range:
Original address of mirrored holding registers
Mirrored holding registers
D480
D380
D481
D381
D482
D382
D483
D383
D484
D384
D485
D385
D486
D386
D487
D387
D488
D388
D489
D389
D48A
D38A
D48B
D38B
D48C
D38C
D48D
D38D
D48E
D38E
D48F
D38F
D490
D390
D491
D391
D492
D392
D493
D393
D494
D394
D495
D395
D496
D396
D497
D397
D498
D398
D499
D399
D49A
D39A
D49B
D39B
D49C
D39C
D49D
D39D
D49E
D39E
D49F
D39F
In the original address (holding registers D480 - D49F), the addresses of the mirrored holding registers are
specified. Via the mirrored holding registers (holding registers D380 - D39F), the holding registers that are
defined in the corresponding original address can be accessed.