Specifications subject to change without notice
ITOH DENKI USA, INC
135 Stewart Road
rev15-0115
PH: 570-820-8811
Hanover Industrial Estates
FX: 570-820-8838
Wilkes-Barre, PA 18706-1462
Page 18 of 25
5. Back EMF error. See more information under Input/Output Settings, DIP switch 1-2. Roller(s) were driven
faster than their designed speed and the HBM-604B activates the dynamic brake to slow the product down. In
automatic recovery the card returns to normal operation once the voltage decreased to a safe level. In manual
recovery a signal applied to CN4-2 for motor A or CN4-3 for motor B with DIP switch 2-3 ON for motor A and DIP
switch 2-4 ON for motor B will reset this error. Review Connections CN4 and Input/output settings, DIP
switch 2-3 and 2-4.
6. Sensor signal ON. Should be on only when the photo sensor is blocked. If it is on when the zone is clear then it
is the incorrect type of sensor output and needs to be replaced with one that outputs a signal when it is blocked.
7. Sensor signal OFF. Should be OFF only when the photo sensor’s zone is clear. If it is OFF when the sensor is
blocked then it is the incorrect type of sensor output and needs to be replaced with one that does output a signal
when blocked.
8. Remove the cause of the jam and clear the zone. A signal applied to CN4-2 for motor A or CN4-3 for motor B
with DIP switch 2-3 ON for motor A and DIP switch 2-4 ON for motor B will reset this error. Review Connections
CN4 and Input/Output settings, DIP switch 2-3 and 2-4. As long as a run signal is applied a jam error status
will not turn ON
