BECKHOFF IPxxxx-B520 - Manual (Page 23)

Discrete Output Point Object
IPxxxx-B520 20
5 Discrete Output Point Object
Discrete Output Points The IPxxxx provides Discrete Output Point Objects to access the discrete
output channels data of the IPxxxx. For each discrete output point exits
one instance of the Discrete Output Point Object Class.
For a detailed description of the Discrete Output Point Object see
DeviceNet Specification Volume 2
Class Code: 9 (09hex)
Class Attributes
Attribute
ID
Access
Rule
Name Data
Type
Description Semantics of
Value
1 get Revision UINT Revision of implementation 1
2 get Max. Instance UINT Max. number of instances
Instance Attributes
Attribute
ID
Access
Rule
Name Data
Type
Description Semantics of Value
3
(03hex)
Get/Set Value BOOL Output Point Value 0: OFF
1: ON
4
(04hex)
Get Status BOOL Output Point Status 0: OK
1: failure or alarm, idle
mode
data not valid
5
(01hex)
Get Fault Action BOOL Action taken on Out-
puts value in Recover-
able Fault State see semantics
7
(01hex)
Get Idle Action BOOL Action taken on Out-
puts value in Recover-
able Fault State see semantics
Semantics
Fault Action / Idle Action
The attribute values are according to the adjustment of the “IO Error Action
Attribute” of the IP Config Object. (see chapter IP Config Object)
Value Description
0 reset output, Fault Value Attribute default (“0”)
1 hold last state
Common Services
Service Code Service Name Description
14
(0Ehex)
Get_Attribute_Single Returns the contents of the specified
attribute
16
(10hex)
Set_Attribute_Single Modifies an attribute Value