43
Accessing Parameters
Section 4-5
The following example demonstrates how to use the parameter process mes-
sage area to access Inverter Parameters:
Step 1
Reading an Inverter parameter:
To read Inverter parameter P180 (PROFI-
BUS node address):
Step 2
Changing an Inverter parameter:
To change Inverter parameter A001 (Fre-
quency source) to 3 (Modbus):
Step 3
Reading an Inverter parameter (DWORD):
To read Inverter parameter F002
(Acceleration time 1):
Step 4
Changing an Inverter parameter (DWORD):
To change Inverter parameter
F002 (Acceleration time 1) to 3.00 sec:
Table 48 Parameter Processing Message Area-Reading P180
Read element value in array task
Parameter number 180
Parameter group P
@@@
Output area [hex]
6
0B4
10
00
0000
0000
Word offset
+0
+1
+2
+3
Function
AK
PNU
IND
-
PWE
Input area [hex]
4
0B4
10
00
0000
0003
Task success (WORD element) response
Read value: PROFIBUS node address
Table 49 Parameter Processing Message Area-Changing A001
Change WORD element value in array task
Write
Parameter number 1
Parameter group A
Output area [hex]
7
001
01
00
0000
0003
Word offset
+0
+1
+2
+3
Function
AK
PNU
IND
-
PWE
Input area [hex]
4
001
01
00
0000
0000
Task success (WORD element) response
Table 50 Parameter Processing Message Area-Reading F002
Read element value in array task
Parameter number 2
Parameter group F
Output area [hex]
6
002
06
00
0000
0000
Word offset
+0
+1
+2
+3
Function
AK
PNU
IND
-
PWE
Input area [hex]
5
002
06
00
0000
03E8
Task success (DWORD element) response
Read value: Acceleration time = 000003E8h = 1000 = 10.00 sec
I111E-EN-02+3G3AX-MX2-RX-PRT+OperManual.book Seite 43 Donnerstag, 8. September 2011 11:53 11
Summary of Contents for 3G3AX-MX2-PRT-E
Page 6: ...vi...
Page 14: ...xiv Compliance with EC Directives...
Page 20: ...6 Introduction to PROFIBUS Section 1 3...
Page 36: ...22 How to mount the Option Board on the Inverter Section 2 3...
Page 42: ...28 Configuring the Network Section 3 2...
Page 70: ...56 Limitations Caused by Inverter Mode and Rating Selection Section 4 7...
Page 108: ...94 APPENDIX G...
Page 110: ...96 APPENDIX H...
Page 113: ...97...
Page 115: ......