Contents
User Manual
Behavior
PS69-DPM
COM LED is static
red and SYS LED
static green
PS69-DPM
COM LED is static
red and SYS LED
flashing cyclic fast
green
Slave input data can
not be found in
RSLogix program
Outputs are not
transferred to slave
although
PROFIBUS is
running
The serial device
assignment dialog in
PROSOFT.fdt
(SYCON.net) shows
error - 20 to the
wished serial COM
port
The serial device
assignment dialog in
PROSOFT.fdt
(SYCON.net) shows
error - 51 to the
wished serial COM
port
PROSOFT.fdt
(SYCON.net)
configuration
download results in
error 100
Page 102 of 130
Significance
At least one slave is not in
data exchange
No communication to any
slave
Input array mismatch
Output array mismatch
COM port not available
Module does not answer to
PROSOFT.fdt (SYCON.net)
request
Download not allowed
PS69-DPM ♦ CompactLogix or MicroLogix Platform
Typical Reason
Master configuration does not
match with physical bus
configuration
Configured slave is not
connected with PROFIBUS or
has a problem
PROFIBUS cable not
connected
No slaves connected
PLC is not in RUN mode
Configured input size in
RSLogix too small
Configured input address table
in PROSOFT.fdt (SYCON.net)
does not match with PLC
program
Configured output size in
RSLogix too small
Configured output address
table in PROSOFT.fdt
(SYCON.net) does not match
with PLC program
COM port is physically not
available or used by another
application
Diagnostic cable not connected Check if the module and the PC
Configuration download is not
allowed while PLC is in RUN
mode
PROFIBUS DPV1 Master
Help
Check PROFIBUS
configuration, slave addresses
and so on.
Use PROSOFT.fdt
(SYCON.net) diagnostic to find
the wrong slave
PROFIBUS wiring
Check if slaves are connected
Check if PROFIBUS
configuration matches with
physical configuration
Bring PLC into in RUN mode
Check if the configured input
size in RSLogix covers the
mandatory size of 88 byte
status data plus the in
PROSOFT.fdt (SYCON.net)
configured PROFIBUS input
array
Check if configured Input
address table in PROSOFT.fdt
(SYCON.net) matches with
PLC program
Check if the configured output
size in RSLogix covers the
mandatory size of 16 byte
status data plus the in
PROSOFT.fdt (SYCON.net)
configured PROFIBUS output
array
Check if configured Output
address table in PROSOFT.fdt
(SYCON.net) matches with
PLC program
Check if the wished COM port
is available and not used by
another application
are wired correctly with the
diagnostic cable
Bring PLC into STOP mode
ProSoft Technology, Inc.
October 1, 2014
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