4. Troubleshooting (DeviceNet)
♦
Causes of Error
Possible Cause
Examination Method
Countermeasure
{
Slave power OFF
Measure the power voltage of the
slaves. (It should be within the range
of sufficient voltage for the slave
operation.)
NOTE: For slaves operating with
communications power
supply, measure voltage at
the DeviceNet connector.
Supply power to the
slave.
{
Broken unit
Slave unit replacement
Replace the broken
slave unit with a new
one.
4.1.2.1.2 Slave: Communication Error Detection / Busoff Detection / Not-added
MS
NS
Master LED Condition
Green Light ON
Red Light Blinking
(1) Absent Slave LED Condition
(Communication error detection)
Green Light ON
Red Light Blinking
(2) Absent Slave LED Condition
(Busoff detection)
Green Light ON
Red Light ON
(3) Absent Slave LED Condition
(Slave not added to the network)
Green Light ON
Light OFF
Fieldbus I/O Rev.6
83
Summary of Contents for EM07ZS1647F
Page 1: ...Rev 6 EM07ZS1647F EPSON RC Option Fieldbus I O ...
Page 2: ...E PSON RC Option Fieldbus I O Rev 6 ...
Page 8: ...vi Fieldbus I O Rev 6 ...
Page 12: ...Table of Contents x Fieldbus I O Rev 6 ...
Page 80: ...2 Installation 68 Fieldbus I O Rev 6 ...
Page 88: ...3 Operation 76 Fieldbus I O Rev 6 ...
Page 164: ...5 Maintenance Parts List 152 Fieldbus I O Rev 6 ...
Page 168: ...Appendix A applicomIO Upgrade 156 Fieldbus I O Rev 6 ...
