Aes Object - Aventics DeviceNet Description Du Système Et Notice D'emploi

132 AVENTICS | Bus Coupler AES/Valve Driver AV, DeviceNet | R412018138–BAL–001–AC
Appendix
Table 48: Class attributes
Attr. ID
1
Table 49: Instance attributes
Attr. ID
1
2
Table 50: Structure of attribute 1
Bit
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Table 51: Structure of attribute 2
Byte
Byte 0
15.2.7

AES object

Class code 0xC7
In this object the parameters of the bus coupler can be read and set. There should only be one
instance of the object.
Access rule
Get
Access rule
Get/Set
Get
Attribute 1 should have the following structure:
Meaning
Reserved
If the DeviceNet connection is interrupted:
0: Set the outputs to „0"
1: Hold
If the backplane malfunctions:
0: Output a warning, recover after malfunction is resolved
1: Set valves and outputs to "0". Fail-safe state: power cycle required
Reserved
Reserved
Reserved
Reserved
Reserved
Attribute 2 should have the following structure:
Bit
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Bit 7
Name
Revision
Name
AES parameters
Diagnostic data
Meaning
Actuator voltage UA < 21.6 V (UA-ON)
Actuator voltage UA < UA-OFF
Electronics power supply < 18 V
Electronics power supply < 10 V
Reserved
Reserved
Reserved
Reserved
DeviceNet
Data type
UINT
DeviceNet
Data type
BYTE
ARRAY of byte [8]
Type of diagnosis and diagnostic
device
Bus coupler diagnosis
Const/volatile/
nonvolatile
1
Const/volatile/
nonvolatile
V
V