Siemens CU230P-2 Operations Instructions download pdf (Page 337)

Appendix

A.1 Application examples

Frequency inverters with Control Units CU230P-2 HVAC, CU230P-2 DP, CU230P-2 CAN

Operating Instructions, 01/2011, FW 4.4, A5E02430659B AD

335

① Activate the tab "Address

configuration".

② Select line 1.

③ Open the dialog box in which you

define the Publisher and the address

area to be transferred.







① Select DX for direct data exchange

② Select the PROFIBUS address of

drive 1 (publisher).

③ In the address field, select the start

address specifying the data area to be

received from drive 1. In the example,

these are the status word 1 (PZD1)

and the speed actual value with the

start address 256.







Close both screen forms with OK. You have now defined the value range for slave-to-slave

communication.

In the slave-to-slave communication, drive 2 receives the sent data and writes this into the

next available words, in this case, PZD3 and PZD4.

Settings in drive 2 (subscriber)

Drive 2 is preset in such a way that it receives its setpoint from the higher-level control. In

order that drive 2 accepts the actual value sent from drive 1 as setpoint, you must set the

following:

● In drive 2 ,set the PROFIdrive telegram selection to "Free telegram configuration with

BICO" (p0922 = 999).

● In drive 2, set the source of the main setpoint to p1070 = 2050.3.

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Siemens CU230P-2 Operations Instructions Page 337