Yaskawa 260IF DeviceNet System - Manual (Page 72)

Network Maintenance
6.4.2 Slaves
6-12
6
Table 6.7 Troubleshooting Slaves (Cont’d)
Problem
Locations to Check
Probable
Cause
Possible Solution
Indicator Status I/O Status
No DeviceNet
communications
(cont’d) MS lit green
NS not lit 1040 - • Communica-
tions power
supply error
• DeviceNet
network
error
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 terminator (121 Ω) and connection
status.
MS lit red
NS not lit 0002 0000 DeviceNet net-
work error 1. Check the wiring and connections for
DeviceNet cables and connectors.
2. Check the baud rate for each device.
3. Check the terminator (121
Ω) and connection
status.
4. Check the operation status of the DeviceNet
Master.
5. Replace the 260IF Module.
MS lit green
NS flashing
green 2004 0000 Connection not
established
with DeviceNet
device 1. Check the DeviceNet Master scan list settings.
2. Check the wiring and connections for
DeviceNet cables and connectors.
3. Check the baud rate for each device.
4. Check the operation status of the DeviceNet
Master.
DeviceNet I/O
size different
from setting 1. Change the I/O sizes for the I/O allocations.
2. Change the I/O sizes for the DeviceNet Master.
MS lit green
NS flashing
green 4004 4000 No response
from
DeviceNet
Master 1. Check the wiring and connections for
DeviceNet cables and connectors.
2. Check the baud rate for each device.
3. Check the terminator (121
Ω) and connection
status.
4. Check the operation status of the DeviceNet
Master.
5. Check the power supply voltage and connection
for communications power supply.
6. Check the communications power supply
voltage for each DeviceNet connector on the
260IF Module (11 to 24 V).