MODBUS LITE V5.01 parameter specification
Table Of Contents
- 1 Frame protocol
 - 2 Holding Register
- 2.1 Overview
 - 2.2 Reset
 - 2.3 Default set value
 - 2.4 Password
 - 2.5 Control default setting
 - 2.6 Control customer setting
 - 2.7 Operating hours counter
 - 2.8 Operating minutes counter
 - 2.9 Fan address
 - 2.10 Source set value
 - 2.11 Preferred running direction
 - 2.12 Save set value
 - 2.13 Internal parameter set
 - 2.14 Control mode
 - 2.15 Control parameters
 - 2.16 Maximum modulation level
 - 2.17 Minimum modulation level
 - 2.18 Enable motor stop
 - 2.19 Set value (EEPROM)
 - 2.20 Starting modulation level
 - 2.21 Maximum permissible modulation level
 - 2.22 Minimum permissible modulation level
 - 2.23 Maximum speed
 - 2.24 Maximum permissible speed
 - 2.25 Ramp-up curve / ramp-down curve
 - 2.26 Limit speed
 - 2.27 Potentiometer characteristic
 - 2.28 Control limitation
 - 2.29 Maximum power
 - 2.30 Maximum coil current
 - 2.31 Limiting speed for running monitor
 - 2.32 Interface settings
 - 2.33 Shedding function
 - 2.34 Relay dropout delay
 - 2.35 Fail safe function on/off
 - 2.36 Fail safe function set value
 - 2.37 Fail safe function time lag
 - 2.38 Fail safe function running direction
 - 2.39 Potentiometer characteristic limiting value for cable break
 - 2.40 Sensor
 - 2.41 Customer data
 - 2.42 Error history
 - 2.43 Reference value of DC-link voltage
 - 2.44 Reference value of DC-link current
 - 2.45 Production data
 
 - 3 Input Register
- 3.1 Overview
 - 3.2 Identification
 - 3.3 Maximum number of bytes
 - 3.4 Software name of bus controller
 - 3.5 Software version of bus controller
 - 3.6 Software name of commutation controller
 - 3.7 Software version of commutation controller
 - 3.8 Actual speed
 - 3.9 Motor status
 - 3.10 Warning
 - 3.11 DC-link voltage
 - 3.12 DC-link current
 - 3.13 Module temperature
 - 3.14 Motor temperature
 - 3.15 Interior electronics temperature
 - 3.16 Current direction of rotation
 - 3.17 Current modulation level
 - 3.18 Current set value
 - 3.19 Sensor actual values
 - 3.20 Current parameter set
 - 3.21 Current power
 
 
MODBUS parameters "ebm-papst series 84 / 112 / 150 / 200" 
_______________________________________________________________________________________ 
ebm-papst Mulfingen GmbH & Co. KG 
Bachmühle 2 ·74673 Mulfingen, Germany ·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 6 October 2003 ·File: ext001157859.doc ·Last printed 10/03/2015 15:13:00 
·Page 35 of 70 
Form 1003 
2.14  Control mode 
Address of parameter set 1  : D106 
Address of parameter set 2  : D107 
Write authorisation    : ebm-papst, customer, end customer 
The "Internal parameter set" parameter is used to select whether the value in "Control mode (parameter set 
1)" or the value in "Control mode (parameter set 2)" is applicable (see 2.13 Internal parameter set). 
Encoding: 
Value 
Control mode 
0 
Closed-loop speed control 
2 
Open loop PWM control 
The MSB is of no relevance! 
Permitted value range: [0; 2] 
A sensor can only be connected to measure and display the sensor actual value. 
Closed-loop control based on the sensor signal is not possible.. Control mode „Closed-loop sensor control“ (1) 
is not supported. 
2.15  Control parameters 
For closed-loop speed control, 2 parameters are provided: 
  P factor kp 
  I factor ki 
Address of P factor (parameter set 1)  : D10A 
Address of P factor (parameter set 2)  : D10B 
Address of I factor (parameter set 1)  : D10C 
Address of I factor (parameter set 2)  : D10D 
Write authorisation      : ebm-papst, customer, end customer 
The "Internal parameter set" parameter is used to select whether the values in "P factor / I factor (parameter 
set 1)" or the values in "P factor / I factor (parameter set 2)" are applicable (see 2.13 Internal parameter set). 
Encoding: 
Each control parameter consists of 2 bytes. 
a) P factor 
%100
256
bytes Data
factorP
This means that values can be set for the P factor between 0 and 25,600%, in steps of 0.39% 










