INFICON BPG402-SP ATM to Ultra-High Vacuum Gauge (Profibus) User Manual
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tira47e1 (2005-08) BPG402SPv1.cp
In the event of a transmission error (AK response signature = 7), the slave trans-
mits an error code in byte positions 7 and 8 (data type: INT16).
Error code
Meaning
0
Undefined slot
1
Parameter not changeable
2
Lower or upper value range limit overflow
3
Index error
5
Data type error
17
Instruction not allowed in this state
18
Other errors
201
Already in requested state
202
Object state conflict
The following diagram shows an example of a data request from a master to a
BPG402-SP via parameter channel.
AK(RS) = 0
BPG402-SP
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
2.2.1.3 Error Code
(Error Message)