Epson EM07ZS1647F manual 112

4. Troubleshooting (PROFIBUS DP)

4.2.1 Examining a Problem

4.2.1.1 Scanner Board Diagnostic LEDs

The PROFIBUS DP board used with EPSON RC+ has two status display LEDs. The layout of the LEDs is shown in the following figure.

PCU-DPIO

4-pin Terminal	Jumper for Board Address
Watchdog Port
(Do not use this port.)	JP1
Status Display LED (2)
PROFIBUS-DP Port	JP1
LED (2)	0
(Not in use)	1
RJ45 Connector
	C0 C1 C2
(Not in use)

PCI-DPIO

Configuration Port	Jumper for Board Address
Communication Status LED

Male 9-pin D-Sub	JP1
Port for Board Configuration
Status Display LED (2)	JP1
Left: Communication Status LED
	0
Right: Physical Error LED

Female 9-pin D-Sub	1
PROFIBUS DP Port
	C0 C1 C2
4-pin Terminal
Watchdog Port
(Do not use this port.)

The Communication Status LED is on the left and the Physical Error LED is on the right seen from the rear panel.

The Communication Status LED is expressed by the ST LED (ST) in this section. The Physical Error LED is expressed by the BF LED (BF) in this section.

112 Fieldbus I/O Rev.6