NORD Drivesystems BU2200 - Manual (Page 19)

POWERLINK Bus module –
Supplementary manual options for NORD - Frequency Inverters
BU 2200 GB-3813 19
4.2.5 Example: "Switch on and off + setpoint"
In this example, a frequency inverter is controlled with a setpoint (setpoint frequency). The frequency
inverter responds with an actual value (actual frequency). The "maximum frequency" is parameterised
to 50 Hz.
Relevant parameters:
Parameter Setting value Meaning Parameter number
SK 180E …
SK 2xxE,
SK 54xE
SK 500E …
SK 535E
Maximum frequency 50.0 50 Hz P105 P105
Actual bus value 1 1 Actual frequency P543[-01] P543
Function Bus setpoint 1 1 Setpoint frequency P546[-01] P546
Order to FI Response from FI
Control word Setpoint 1 Status word Actual value
1
Explanation
- - - - - - 0000h 0000h
- - - - - - xx40h 0000h Switch-on of the mains voltage to the FI
047Eh 0000h xx31h 0000h Sets the FI in the status "Standby"
047Fh 2000h xx37h 2000h Sets the FI to the status "Operation
enabled" with the setpoint 50%.
The FI is enabled, the motor is supplied with current and rotates with a frequency of 25 Hz.
0047Eh 2000h xx31h 0000h Sets the FI to "Standby" status. The
motor runs on its parameterised ramp up
to speed 0 and then the power is
switched off.
The FI is locked again and the motor is without current.
047Fh 1000h xx37h 1000h Sets the FI to the status "Operation
enabled" with the setpoint 25 %.
The FI is enabled, the motor is supplied with current and rotates with a frequency of 12.5 Hz.
Table 9: Example: "Switch FI on and off + setpoint"
Pos : 36 /Anl eitungen/ Elektroni k/ Bus s yst eme/4. Kommuni kati on und Prot okoll + Proz ess datentr ans fer /POWER LIN K [ BU 02200]/Pr oz ess datenübertrag ung [- PO L] @ 4\ mod_1378718695622_388. doc x @ 93 786 @ 2 @ 1
4.3 Transfer of process data
For POWERLINK the length and structure of the process data are fixed and are determined by the
XDD file. For each direction of transmission and inverter, 6 process values are always available. 1
control/status word and 5 setpoint/actual values. The SK 54xE FI series processes all 5 setpoint/actual
values. All other inverters only process 3 setpoint/actual values. The two other values are ignored.
In addition, for all SK xU4-POL, the switching status of the IOs of the bus module are communicated
via 2 further bytes.
Pos : 37 /Anl eitungen/ Elektroni k/ Bus s yst eme/4. Kommuni kati on und Prot okoll + Proz ess datentr ans fer /POWER LIN K [ BU 02200]/Mapping [- PO L] @ 4\ mod_1378733509396_388. doc x @ 93834 @ 5 @ 1