Epson EM07ZS1647F User Manual page 128

4. Troubleshooting (PROFIBUS DP)
4.2.2.1 Master: Communication Error
Light
OFF
4.2.2.1.1 Master/Slave: Communication Error
116
Master Unit LED
BF ST
Red Communication
Light error
Blinking
Master LED Condition
Absent Slave LED Condition
(Communication error)
Error
- Slave disconnected from the network
(Remote I/O communication error)
- Slave not added to the network (Scan list
collation error)
- Nonstandard wiring
- No or too many terminating resistors
- Noise intrusion
BF
Light OFF
Light OFF
Light OFF
Description
ST
Red Light Blinking
Green Light Blinking
Red Light Blinking
Fieldbus I/O Rev.6