4. Troubleshooting (DeviceNet)
4.1.1.2 Check Network Status
(1) Master Status: MS/NS LEDs
LED Color
Light
Condition
MS (Module Status)
Green
Red
ON
Blinking
OFF
NS (Network Status)
Green
Red
ON
Blinking
OFF
(2) Node Number of Absent Slaves
Absent slaves are disconnected from or not added to the network.
1. See the status flag regarding to the removal and addition if the master has status
information.
2. See the MS/NE LEDs of all slaves if the master has no status information.
(3) Absent Slave Status: MS/NS LEDs
LED Color
Light
Condition
MS (Module Status)
Green
Red
ON
Blinking
OFF
NS (Network Status)
Green
Red
ON
Blinking
OFF
(4) Physical Node Location of Absent Slave
PLC
Slave
Branch Tap
Communications
Power Supply
Terminating
Resistor
Slave
Slave
Slave Slave
A communication time out error occurred.
Start the examination from this block
when the error occurred here.
Master
Branch Tap
Terminating
Resistor
(5) Error Occurrence Condition
Immediate occurrence (high reproducibility)
Rare occurrence (low reproducibility)
Fieldbus I/O Rev.6
79
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 ...