4. Troubleshooting (PROFIBUS DP)
4.2.
2.1.4 Slave: Physical Error
BF ST
Master LED Condition
Light OFF
Red Light Blinking
Absent Slave LED Condition
(Physical error)
Red Light ON
No Matter
♦
Process Flowchart
5
No Problem
Check
Finish
Measure voltage of all
slave power supplies.
No
Problem exists. (Fix it.)
No problem
Replace the unit.
Yes
No
Consult the PROFIBUS manufacturer.
Normal Communication?
♦
Causes of Error
Possible Cause
Examination Method
Countermeasure
{
Electrical surges
of device power
supply
Measure voltage of device
power supply at the trouble
unit.
→
It should be within the
range of sufficient voltage
for device operation.
Check voltage of the
device power supply.
{
Broken unit
Replace the trouble unit with
a new one.
→
Verify whether the
problem is fixed.
Replace the unit with a
new one.
Fieldbus I/O Rev.6
123
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 ...
