Rockwell Automation 22-SCM-232 Serial Converter Module - Manual (Page 43)

Serial Converter Module Parameters B-3
No. Name and Description Details
14 [NAK No Memory]
(1)
Displays the number of NAKs sent by the serial
converter module because it did not have sufficient
memory to buffer the incoming messages. The module
runs out of memory if a command has not completed
and there is no place to save the new commands.
Default: 0
Minimum: 0
Maximum: 65535
Type: Read Only
15 [Duplicate Msgs]
(1)
Displays the number of duplicate messages sent to the
serial converter module. This value contains the total
number of consecutive messages received by the
module with the same TNS (Transaction Sequence)
number.
Default: 0
Minimum: 0
Maximum: 65535
Type: Read Only
16 [DF1 Addr Actual]
Displays the DF1 address actually used by the serial
converter module. Default: 1
Minimum: 0
Maximum: 254
Type: Read Only
17 [DF1 Rate Actual]
Displays the serial port rate actually used for the DF1
serial port on the serial converter module. Default: 0 = 9600
Values: 0 = 9600
1 = 19.2K
2 = 38.4K
Type: Read Only
18 [Adapter Type]
Displays the present operating mode for the serial
converter module. Default: 0 = Master
Values: 0 = Master
1 = Slave
2 = RTU Master
3 = RTU Passthru
Type: Read Only
(1)
This value is normally a low value. If it is continually incrementing and you are having
communications problems, use a lower baud rate or replace the 1203-SFC serial cable.