Read Parameter Response - Omron 3G3AX-MX2-PRT-E User Manual

Read Parameter Response

E-2 Read Parameter Response
Table E-2 PROFIdrive V4 Parameter read response
Word Offset
+0 Response Header
+1
+2 Parameter Value(s) or Error Num-
ber matching 1
+3
Address requested
+ (DL +2)
1
+ (LEN-DL -1) Parameter Value(s) or Error Num-
N
ber matching N
+ (LEN-DL )
N
Address requested
+ (LEN-1)
REF Response reference (echo-back of request REF)
RT Response type:
DO Drive object
N The number of parameter value / error blocks to follow
FMT Parameter value data format
x
CV The number of values of type FMT
x
DATA Value(s) or error response data (Refer to Appendix E-5 Parameter Value Formats (page 72))
x
DL Length of DATA
x
LEN Parameter response frame size in words
Note 1
Note 2
Contents
*1
st
Parameter
*2
th
Parameter
01h: Parameter read success
01h: Inverter number (Only one attached to Option Board)
42h: Words to follow
43h: Double-words to follow
in words
x
The request header is preceded by the DP and MSAC2 headers. Describing
these however is outside the scope of this manual.
If the Read Parameter Request frame contained errors, the Read Parameter
Response frame contains a single error data block.
High byte
REF
DO
FMT
1
FMT
N
81h: Parameter read fail / partial fail
44h: Error number to follow (C
to follow
x
APPENDIX E
Low byte
RT
N
CV
1
DATA
1
CV
N
DATA
N
= 1)
x
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