Omron V640 User Manual page 95

• When the CIDRW Controller fails to respond to messages sent to it
There is a mistake in the CIDRW Controller or Amplifier Unit settings.
After taking the appropriate corrective action, restart the CIDRW Controller and Amplifier Unit.
POWER OPERATING
• When an error unrelated to message transmission and responses occurs
There is a mistake in the settings of the CIDRW Controller and Amplifier Unit.
After taking the appropriate corrective action, restart the CIDRW Controller and Amplifier Unit.
POWER OPERATING
ALARMS BUSY ERROR
ALARMS BUSY ERROR
Troubleshooting
Main check points
• Mode switch setting (Is the setting 0?)
• Cable wiring between the CIDRW Controller
and host device
• Communications conditions for communication
between the CIDRW Controller and host
device (baud rate, character composition, etc.)
• Cable wiring between the CIDRW Controller
and host device
• Node numbers of the Amplifier Units (The
same number is set for more than one unit.)
Main check points
• Mode switch setting (Is the setting 0?)
• Amplifier Unit baud rate settings
• Node numbers of the Amplifier Units (The
same number is set for more than one unit.)
• Connection and wiring of cable between
CIDRW Controller and Amplifier Unit
• Amplifier Unit error (hardware error)
• Routing of each cable (influence of back-
ground noise)
CIDRW System
SECTION 5
91
User's Manual