Description
Value or Value range/ Default
Property / Para-
meter
Indicates the state of the Clear To Send
(CTS) signal.
0 = Passive signal
1 = Active signal
Clear To Send
(CTS)
Indicates the state of Data Carrier Detect
(DCD) signal.
0 = Passive signal
1 = Active signal
Data Carrier Detect
(DCD)
Diagnostic Coun-
ters
The number of transmitted data messages.
Transmitted Mes-
sages
The number of failed transmissions.
Failed Transmis-
sions
The number of transmitted commands.
Transmitted Com-
mands
The number of transmitted replies.
Transmitted Replies
The number of received data messages.
Received Messages
The number of times a parity error has
occurred.
Parity Errors
The number of times an overrun error has
occurred.
Overrun Errors
The number of times a redundancy error
has occurred.
Check Sum Errors
The number of times a framing error has
occurred.
Framing Errors
The number of times there as been a buf-
fer overflow.
Buffer Overflow
Errors
Device attributes
5.4.4.
Table 5.4.4-1 Device attributes
Description
Value or Value range/ Default
Property / Para-
meter
The operational status of the device - in
use or out of use. Taking the device out
of use with this attribute stops all data
communication with the device. All opera-
tions that would result in a data exchange
are disabled. The device itself is not
affected by the attribute, only the protocol
stack’s image of the device. Setting In use
to 1 is allowed only if the device address
is legal.
0 = Out of use
1 = In use
Default: 1
In use
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1MRS755382
Station Automation COM600 3.4
IEC 60870-5-101 Slave (OPC) User's Manual
Summary of Contents for COM600 3.4
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