Device Attributes - ABB COM600 3.4 User Manual

5.4.4.
66
Station Automation COM600 3.4
IEC 60870-5-101 Slave (OPC) User's Manual
Property / Para- Value or Value range/ Default
meter
Clear To Send 0 = Passive signal
(CTS)
1 = Active signal
Data Carrier Detect 0 = Passive signal
(DCD)
1 = Active signal
Diagnostic Coun-
ters
Transmitted Mes-
sages
Failed Transmis-
sions
Transmitted Com-
mands
Transmitted Replies
Received Messages
Parity Errors
Overrun Errors
Check Sum Errors
Framing Errors
Buffer Overflow
Errors

Device attributes

Table 5.4.4-1 Device attributes
Property / Para- Value or Value range/ Default
meter
In use 0 = Out of use
1 = In use
Default: 1
Description
Indicates the state of the Clear To Send
(CTS) signal.
Indicates the state of Data Carrier Detect
(DCD) signal.
The number of transmitted data messages.
The number of failed transmissions.
The number of transmitted commands.
The number of transmitted replies.
The number of received data messages.
The number of times a parity error has
occurred.
The number of times an overrun error has
occurred.
The number of times a redundancy error
has occurred.
The number of times a framing error has
occurred.
The number of times there as been a buf-
fer overflow.
Description
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.
1MRS755382