Yaskawa 260IF DeviceNet System - Manual (Page 71)

6.4 Troubleshooting
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6
6.4.2 Slaves
The followinng tabel gives the status of indicators and status functions for normal operation
when the 260IF Module is set as a Slave.
The following table gives probable causes and possible solutions for when the 260IF Mod-
ule is set as a Slave.
Table 6.6 Troubleshooting Slaves
LED Status I/O Status
MS lit green
NS lit green 8004 8003 (Polled)
8005 (Strobed)
Problem
Locations to Check Probable
Cause
Possible Solution
Indicator Status I/O Status
No DeviceNet
communications MS not lit
NS not lit - - No power sup-
ply to 260IF
Module Check the rack or system bus cable connection to
the 260IF Module.
MS lit red
NS not lit - - Hardware mal-
function Replace the 260IF Module.
MS lit red
NS lit red - - Hardware mal-
function Replace the 260IF Module.
MS lit green
NS lit red 1010 0000 Duplicate
MAC ID 1. Change the MAC ID address for the 260IF
Module and cycle the power.
2. Change the MAC ID addresses for other
DeviceNet devices and cycle the power to the
260IF Module.
MS lit green
NS lit red 1008 - Bus-off 1. Check the wiring and connections for
DeviceNet cables and connectors.
2. Check the power supply voltage and connection
for communications power supply.
3. Check the communications power supply
voltage for each DeviceNet connector on the
260IF Module (11 to 24 V).
4. Check the baud rate for each DeviceNet device
in the network.
5. Check the terminator (121 Ω) and connection
status.
6. Check the length of the network.
7. Replace the 260IF Module. Then either cycle
the power for the 260IF Module or disconnect
and re-insert the DeviceNet connectors.