Panasonic FMU, Technical Manual

Page: 21 / 77

Parts and Functions FMU Technical Manual
12
2.3.2 FP-DeviceNet
MNS LED (see page 10)
COM LED
Color State Indication
ON FMU is operational and online, connections established.
•
FMU is allocated to another master.
•
FMU has established a connection to a slave.
Green
Flashing (1Hz)
(s)
ON
0.0 1.0 0.5
ON
2.0 1.5
FMU is operational and online, no connection established.
• Configuration missing.
•
FMU has passed the duplicate MAC ID check but has not
established connection to another device.
Red ON FMU cannot access the network.
• BUS off because of severe CAN faults.
•
Duplicate MAC ID detected.
OFF
⎯
FMU is not online.
•
Duplicate MAC ID test not completed.
• Power may not be supplied.
DeviceNet Connector
Connector Pin Signal Description
1
V- Negative bus supply voltage (see note)
2
CAN_L CAN low bus line
3
SHIELD Cable shield
4
CAN_H CAN high bus line
1
5
5
V+ Positive bus supply voltage (see note)
NOTE
Mandatory 24V bus power.