Slaves - YASKAWA MP900 Series User Manual

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.
MS lit green
NS lit green
The following table gives probable causes and possible solutions for when the 260IF Mod-
ule is set as a Slave.
Locations to Check
Problem
Indicator
No DeviceNet MS not lit
communications
NS not lit
MS lit red
NS not lit
MS lit red
NS lit red
MS lit green
NS lit red
MS lit green
NS lit red
LED Status
8004
Table 6.6 Troubleshooting Slaves
Status I/O Status
- - No power sup-
ply to 260IF
Module
- - Hardware mal-
function
- - Hardware mal-
function
1010 0000 Duplicate
MAC ID
1008 - Bus-off
6-11
www.dadehpardazan.ir 88594014-15
I/O Status
8003 (Polled)
8005 (Strobed)
Probable
Cause
Check the rack or system bus cable connection to
the 260IF Module.
Replace the 260IF Module.
Replace the 260IF Module.
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.
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.
6.4 Troubleshooting
Possible Solution
6