Allen-Bradley 1203-SSS User Manual page 32

Smart self-powered serial converter
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B-2
Serial Converter Parameters
Parameter Name and Description
6 - [Clear DF1 Counts]
If this parameter is set to enable, all DF1 statistical
parameters (numbers 7 through 15) are set to 0.
7 - [DF1 Packets Sent]
Displays the number of DF1 packets sent by the converter.
The value of this parameter is normally about equal to the
value of P8 - [DF1 Packets Rcvd].
8 - [DF1 Packets Rcvd]
Displays the number of DF1 packets received by the
converter. The value of this parameter is normally about
equal to the value of P7 - [DF1 Packets Sent].
9 - [Undelivered Msgs]
Displays the number of DF1 messages that were sent but not
(2)
acknowledged.
10 - [ENQs Sent]
Displays the number of ENQ characters sent by the
(2)
converter.
11 - [ENQs Received]
Displays the number of ENQ characters received by the
(2)
converter.
12 - [NAKs Received]
Displays the number of NAK characters received by the
(2)
converter.
13 - [NAK Bad Packet]
Displays the number of NAKs sent by the converter because
of corrupt packets (improper protocol messages) as
determined by the converter.
14 - [NAK No Memory]
Displays the number of NAKs sent by the converter because
it did not have sufficient memory to buffer the incoming
messages. The converter runs out of memory if a command
has not completed and there is no place to save the new
(2)
commands.
15 - [Duplicate Msgs]
Displays the number of duplicate messages sent by the
converter. This value contains the total number of
consecutive messages received by this device with the same
TNS (Transaction Sequence) number.
(1)
After editing this parameter, you must reset the converter. Refer to
(2)
This value is normally 0. If it is not 0 and you are having communications problems, use a lower
baud rate or replace the 1203-SFC serial cable.
(2)
(2)
Details
Default:
Type:
Values:
Reset Required:
Default:
Type:
Minimum:
Maximum:
Reset Required:
Default:
Type:
Minimum:
Maximum:
Reset Required:
Default:
Type:
Minimum:
Maximum:
Reset Required:
Default:
Type:
Minimum:
Maximum:
Reset Required:
Default:
Type:
Minimum:
Maximum:
Reset Required:
Default:
Type:
Minimum:
Maximum:
Reset Required:
Default:
Type:
Minimum:
Maximum:
Reset Required:
Default:
Type:
Minimum:
Maximum:
Reset Required:
Default:
Type:
Minimum:
Maximum:
Reset Required:
Chapter
3.
Ready
Read/Write
Ready
Enable
No
0
Read Only
0
65535
No
0
Read Only
0
65535
No
0
Read Only
0
65535
No
0
Read Only
0
65535
No
0
Read Only
0
65535
No
0
Read Only
0
65535
No
0
Read Only
0
65535
No
0
Read Only
0
65535
No
0
Read Only
0
65535
No

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