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configuration
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the motor
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operation
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UL Listing
Information
284
Unidrive SPM User Guide
www.controltechniques.com Issue Number: 3
SLX.Er
Solutions Module slot X trip: Solutions Module in slot X has detected a fault
202,207,212
Feedback module category
Check value in Pr
15
/
16
/
17.50
. The following table lists the possible error codes for the SM-Universal Encoder Plus, SM-Encoder
Plus and SM-Resolver. See the
Diagnostics
section in the relevant Solutions Module User Guide for more information.
Trip
Diagnosis
Error code
Module
Trip Description
Diagnostic
0
All
No trip
No fault detected
1
SM-Universal
Encoder Plus &
SM-Encoder
Plus
Encoder power supply overload
Check encoder power supply wiring and encoder current
requirement Maximum current = 200mA @ 15V, or 300mA
@ 8V and 5V
SM-Resolver
Excitation output short circuit
Check the excitation output wiring.
2
SM-Universal
Encoder Plus &
SM-Resolver
Wire break
Check cable continuity
Check wiring of feedback signals is correct
Check supply voltage or excitation output level
Replace feedback device
3
SM-Universal
Encoder Plus
Phase offset incorrect while
running
Check the encoder signal for noise
Check encoder shielding
Check the integrity of the encoder mechanical mounting
Repeat the offset measurement test
4
SM-Universal
Encoder Plus
Feedback device communications
failure
Ensure encoder power supply is correct
Ensure baud rate is correct
Check encoder wiring
Replace feedback device
5
SM-Universal
Encoder Plus
Checksum or CRC error
Check the encoder signal for noise
Check the encoder cable shielding
6
SM-Universal
Encoder Plus
Encoder has indicated an error
Replace encoder
7
SM-Universal
Encoder Plus
Initialisation failed
Check the correct encoder type is entered into Pr
15
/
16
/
17.15
Check encoder wiring
Check supply voltage level
Replace feedback device
8
SM-Universal
Encoder Plus
Auto configuration on power up
has been requested and failed
Change the setting of Pr
15
/
16
/
17.18
and manually enter
the number of turns (Pr
15
/
16
/
17.09
) and the equivalent
number of lines per revolution (Pr
15
/
16
/
17.10
)
9
SM-Universal
Encoder Plus
Motor thermistor trip
Check motor temperature
Check thermistor continuity
10
SM-Universal
Encoder Plus
Motor thermistor short circuit
Check motor thermistor wiring
Replace motor / motor thermistor
11
SM-Universal
Encoder Plus
Failure of the sincos analog
position alignment during encoder
initialisation
Check encoder cable shield.
Examine sine and cosine signals for noise.
SM-Resolver
Poles not compatible with motor
Check that the correct number of resolver poles has been
set in Pr
15
/
16
/
17.15
.
12
SM-Universal
Encoder Plus
Encoder type could not be
identified during auto-configuration
Check encoder type can be auto-configured.
Check encoder wiring.
Enter parameters manually.
13
SM-Universal
Encoder Plus
Number of encoder turns read from
the encoder during auto-
configuration is not a power of 2
Select a different type of encoder.
14
SM-Universal
Encoder Plus
Number of comms bits defining the
encoder position within a turn read
from the encoder during auto-
configuration is too large.
Select a different type of encoder.
Faulty encoder.
15
SM-Universal
Encoder Plus
The number of periods per
revolution calculated from encoder
data during auto-configuration is
either <2 or >50,000.
Linear motor pole pitch / encoder ppr set up is incorrect or
out of parameter range i.e. Pr
5.36
= 0 or Pr
21.31
= 0.
Faulty encoder.
16
SM-Universal
Encoder Plus
The number of comms bits per
period for a linear encoder
exceeds 255.
Select a different type of encoder.
Faulty encoder.
74
All
Solutions Module has overheated
Check ambient temperature
Check enclosure ventilation