Rockwell Automation SA500 Diagnostics, Troubleshooting Guide - Manual (Page 38)

A-2 SA500 Diagnostics, Troubleshooting, and Start-Up Guidelines
Vcc Power Supply Undervoltage Fault Bit 3
The Vcc Power Supply Undervoltage Fault
bit is set if the input to the +5V supply on the
PMI drops below the necessary voltage to
maintain regulation.
+H[ 9DOXH +
6XJ 9DU 1DPH )/7B9&&#
$FFHVV 5HDG RQO\
8'& (UURU &RGH 
/(' 30 )/7
Position Error Fault Bit 4
The Position Error Fault bit is set if the
position error exceeds the value set in the
PMI Tach Loss Maximum Position Error
register (register 166/1166). +H[ 9DOXH +
6XJ 9DU 1DPH )/7B63'#
$FFHVV 5HDG RQO\
8'& (UURU &RGH 1$
/(' 1$
Speed Error Bit 5
The Speed Error Fault bit is set if the
maximum velocity error exceeds the value
set in the PMI Tach Loss Maximum Velocity
Error register (register 156/1156).
+H[ 9DOXH +
6XJ 9DU 1DPH )/7B63'#
$FFHVV 5HDG RQO\
8'& (UURU &RGH 1$
/(' 1$
5HVROYHU %URNHQ :LUH )DXOW %LW 
The Resolver Broken Wire Fault bit is set if a
sine or cosine signal from the resolver is
missing due to a broken wire or if the
resolver gain tunable (RES_GAN%) has
been set too low. +H[ 9DOXH +
6XJ 9DU 1DPH )/7B7%:#
$FFHVV 5HDG RQO\
8'& (UURU &RGH 
/(' )'%. 2.
Overspeed Fault Bit 10
The Overspeed Fault bit is set if the motor’s
velocity exceeds the value entered as the
Overspeed Trip (RPM) configuration
parameter.
+H[ 9DOXH +
6XJ 9DU 1DPH )/7B263#
$FFHVV 5HDG RQO\
8'& (UURU &RGH 
/(' (;7 )/7
PMI Power Supply Fault Bit 12
The PMI Power Supply Fault bit is set if the
PMI power supply is not working correctly
+H[ 9DOXH +
6XJ 9DU 1DPH )/7B36#
$FFHVV 5HDG RQO\
8'& (UURU &RGH 
/(' 3:5 2.