Connection Manager Object
(Original Document)
About us
Overview
The Connection Manager object presents the instances, attributes and services described below.
Class ID
06
Instance IDs
The Connection Manager object presents two instance values:
Attributes
Connection Manager object attributes are associated with each instance, as follows:
Instance ID = 0 (class attributes):
Attribute ID
Description
GET
SET
01
Revision
X
—
02
Max Instance
X
—
X = supported
— = not supported
Instance ID = 1 (instance attributes):
Attribute ID
Description
Type
GET
SET
Value
hex
dec
01
01
Open Requests
UINT
X
X
Number of Forward Open service requests received
02
02
Open Format Rejects
UINT
X
X
Number of Forward Open service requests that were rejected due to bad format
03
03
Open Resource Rejects
UINT
X
X
Number of Forward Open service requests that were rejected due to lack of resources
04
04
Open Other Rejects
UINT
X
X
Number of Forward Open service requests that were rejected for reasons other than bad format or lack of resources
05
05
Close Requests
UINT
X
X
Number of Forward Close service requests received
06
06
Close Format Requests
UINT
X
X
Number of Forward Close service requests that were rejected due to bad format
07
07
Close Other Requests
UINT
X
X
Number of Forward Close service requests that were rejected for reasons other than bad format
08
08
Connection Timeouts
UINT
X
X
Total number of connection timeouts that occurred in connections controlled by this connections manager
09
09
Connection Entry List
STRUCT
X
—
0 (Unsupported optional item
0B
11
CPU_Utilization
UINT
X
—
0 (Unsupported optional item
0C
12
MaxBuffSize
UDINT
X
—
0 (Unsupported optional item
0D
13
BufSize Remaining
UDINT
X
—
0 (Unsupported optional item
X = supported
— = not supported
Services
The Connection Manager object performs the following services on the listed object types:
Service ID
Description
Class
Instance
Notes
hex
dec
01
01
Get_Attributes_All
X
X
Returns the value of all attributes.
0E
14
Get_Attribute_Single
X
X
Returns the value of the specified attribute.
X = supported
— = not supported