INFICON SKY CDGxxxD (Profibus) - Manual (Page 15)

tira54e1-a (2009-01) CDGxxxD.cp
15
The slave sends an error message on octet 7 and octet 8 (interpreted as INT16) in
case a request cannot be fulfilled.
Error code Meaning
0 Undefined slot
1 Parameter not changeable
2 Lower or upper value range limit overflow
3 Subindex error
4 No array
5 Data type error
6 Setting not allowed (only resettable)
7 Description element not changeable
8 Reserved
9 Reserved
10 Access group error
11 No operation sovereignty
12 Password error
13 Text not readable in cyclic data transfer
14 Name not readable in cyclic data transfer
15 No text array existent
16 Reserved
17 Instruction not processable due to bad
behavior state
18 Other errors
19 Data not readable in cyclic error
20…100 Reserved
201 Already in requested state
202 Object state conflict
The following sequence diagram contains an example parameter request by the
cyclic DP master in order to illustrate the application of parameter channel.
AK(RS) = 0
CDGxxxD DP-Master
AK(RS) = 0
AK (IS) = 1
AK(RS) = 1
AK (IS) = 1
Parameter
Request
(Client)
AK(RS) = 0
AK (IS) = 1
AK(RS) = 0
AK (IS) = 0
AK(RS) = 0
Store
Data
AK (IS) = 0
AK(RS) = 0
Parameter
Request
(Server)
AK(IS) = 0
AK(IS) = 0
Fetch
Data
Error code
4.3.2 Sequence Diagram