Download FM 352-5 High Speed Boolean Processor

Diagnostics and Troubleshooting
Table 8-8
Errors Reported by the Module and Possible Causes, continued
Byte
Bit
STEP 7 Online
Message
FM 352-5 Error
Description
What the Diagnostic
Error Means
Faults That Can Cause
the Diagnostic
13
0
FM positioning,
wire break in
incremental
encoder
Differential encoder
broken wire
The FM352-5 differential
inputs AD, AD, B, B, N,
N (AD, AD only, if SSI
encoder is enabled) are
not wired correctly, not
connected, or they have
faulty signals applied.
The wiring that connects
to the FM352-5 encoder
interface to the encoder
is faulty.
IOF LED is on.
Note: This diagnostic
interrupt must be
enabled before it
becomes active.
The connector terminals
are not tight.
The connector is not fully
seated.
When no encoder is
selected, or if a
differential encoder is
selected, all 6 inputs
must be connected to
RS-422 compatible
output drivers.
The encoder connecting
cables are too long.
The encoder is faulty.
13
1
FM positioning,
Error in
absolute
position
encoder
SSI frame overrun
IOF LED is on.
The SSI encoder data
does not match the
expected format for the
type encoder that was
parameterized.
The SSI encoder data is
not being received by
the FM352-5.
Note: This diagnostic
interrupt must be
enabled before it
becomes active.
The wiring that connects
to the FM352-5 encoder
interface to the encoder
is faulty.
The connector terminals
are not tight.
The connector is not fully
seated.
The wrong encoder
parameters have been
selected for the encoder
used.
The encoder connecting
cables are too long.
The encoder is faulty.
13
3
FM positioning,
voltage monitor
sensing
Encoder sensor
supply fault
(overload)
The DC 24V or DC 5V
encoder supply output is
shorted or overloaded.
IOF LED is on.
Other FM positioning
diagnostics may not be
valid when this error
occurs.
and
24VF LED is on
or
5VF LED is on.
8-14
Note: This diagnostic
interrupt must be
enabled before it
becomes active.
The wiring that connects
to the FM352-5 encoder
interface to the encoder
is faulty.
The encoder is
overloading or shorting
the DC 24V or DC 5V
supply.
FM 352-5 High-Speed Boolean Processor
A5E00131318-03