Description
Value or Value range/ Default
Property / Para-
meter
Indicates the detailed information about
the station device status. Setting Object
status of a device to 1 makes the protocol
stack to re-transmit the last system mes-
sage caused by the device. Possible
‘Stopped’ and ‘Suspended’ messages
cause old marking of OPC items. By
reading the Object Status attribute, the
status code of the system message can
be read.
When written:
1 = Re-transmit system mes-
sage
When read:
A status code, e.g.
0 = OK (communication works
properly)
13863 = Device suspended.
For more information, see
5.3.2, Link layer status codes
and 5.3.3, Application layer
status codes.
Object Status
Indicates the status of the device connec-
tion.
True = Device connection OK
False = Device connection
suspended.
Device Connection
Status
This attribute enables or disables dia-
gnostic events.
True = Diagnostic events
enabled
False = Diagnostic events dis-
abled
Diagnostic Events
Enabled
Indicates the current number of pending
updates between the client and the pro-
tocol stack.
Pending Updates
Indicates the maximum number of pending
updates between the client and the pro-
tocol stack.
Max Pending
Updates
Diagnostic coun-
ters
Indicates the number of times the connec-
tion has been suspended.
Suspension Counter
The number of transmitted data messages.
Transmitted Data
Messages
The number of transmitted command
messages.
Transmitted Com-
mand Messages
The number of transmitted confirmation
messages.
Transmitted Confirm-
ation Messages
The number of received data messages.
Received Data
Messages
The number of received command mes-
sages.
Received Command
Messages
67
Station Automation COM600 3.4
1MRS755382
IEC 60870-5-101 Slave (OPC) User's Manual
Summary of Contents for COM600 3.4
Page 1: ...Station Automation COM600 3 4 IEC 60870 5 101 Slave OPC User s Manual ...
Page 2: ......
Page 6: ...6 ...
Page 76: ...76 ...
Page 81: ......