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1MRS755382
Station Automation COM600 3.4
IEC 60870-5-101 Slave (OPC) User's Manual
Property/ Para-
Value or Value range/ Default
meter
Common
Class
Class 1 = 1
Class 2 = 2
Default: Class 1 = 1
Interrogation Group
1...16 (general) or 1...4 (coun-
ters)
Over Write
True = 1
False = 0
Default: False = 0
Priority
0...3
End of queue = 0
Middle = 1, 2
Beginning of queue = 3
Update Rate
0...60000
Default: 0
Data Class Spe-
cific
Direct Operate
True = 1
False = 0
Receive As Inverse
True = 1
Value
False = 0
Send as Inverse
True = 1
Value
False = 0
Send as Single
True = 1
Point
False = 0
Time Tag Handling
Do not Send Time Tag = 0
Send Short Format Time Tag
= 1
Send Long Format Time Tag =
2
Default: Send Long Format
Time Tag
Description
Class of ASDU. Data sent from the slave
to the master can be assigned to two
classes: class 1 and class 2. Data in class
1 is sent with higher priority than data in
class 2.
Interrogation group. 1 - 16 general or 1 -
4 counter interrogation.
Defines whether a new indication value
overwrites an older one in the queue.
Priority of ASDU. This property defines
how the ASDU sent is placed in the class
1 and class 2 queues.
Maximum update rate of indication
changes between OPC server and client
in milliseconds. 0 means that server sends
all the changes to the client.
If the value of this attribute is True, then
no select is required.
Specifies if the received open / close
commands are handled inversely.
Specifies if a value of indication signal is
sent as inverse value.
Specifies if a value of indication signal is
sent as single point value.
Specifies the format of timestamp if one
is used: none, short, or long. Long time
tag format cannot be used with a scaled
value.
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