Omron 3G3AX-MX2-PRT-E, User Manual

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Read Parameter Response
APPENDIX E
E-2 Read Parameter Response
Note 1 The request header is preceded by the DP and MSAC2 headers. Describing
these however is outside the scope of this manual.
Note 2 If the Read Parameter Request frame contained errors, the Read Parameter
Response frame contains a single error data block.
Table E-2 PROFIdrive V4 Parameter read response
Word Offset Contents High byte Low byte
+0 Response Header
*1
REF RT
+1 DO N
+2 Parameter Value(s) or Error Num-
ber matching 1
st
Parameter
Address requested
*2
FMT
1
CV
1
+3 DATA
1
+ (DL
1
+2)
+ (LEN-DL
N
-1) Parameter Value(s) or Error Num-
ber matching N
th
Parameter
Address requested
FMT
N
CV
N
+ (LEN-DL
N
) DATA
N
+ (LEN-1)
REF Response reference (echo-back of request REF)
RT Response type:
01h
: Parameter read success
81h
: Parameter read fail / partial fail
DO Drive object
01h
: Inverter number (Only one attached to Option Board)
N The number of parameter value / error blocks to follow
FMT
x
Parameter value data format
42h
: Words to follow
44h
: Error number to follow (C
x
= 1)
43h
: Double-words to follow
CV
x
The number of values of type FMT
x
to follow
DATA
x
Value(s) or error response data (Refer to Appendix E-5 Parameter Value Formats (page 90))
DL
x
Length of DATA
x
in words
LEN Parameter response frame size in words
I111E-EN-02+3G3AX-MX2-RX-PRT+OperManual.book Seite 87 Donnerstag, 8. September 2011 11:53 11