Hitachi SJ700-4000HFU2 Instruction Manual page 242

Chapter 5
3) Error indications by protective functions with the DeviceNet option board (SJ-DN) mounted
Name Description
If the disconnection due to the Bus-Off signal
or timeout occurs during the operation using
DeviceNet DeviceNet commands, the inverter will shut
communication off its output and display the error code
error shown on the right.
(The inverter will trip according to the
settings of "p45" and "P048".)
If two or more devices having the same MAC
ID are detected in the same network, the
Duplicate MAC
inverter will display the error code shown on
ID
the right.
If the Force Fault/Trip bit of Attribute 17 in
the Instance 1 of the Control Supervisory
External trip object is set to "1", the inverter will shut off
its output and display the error code shown
on the right.
If timeout occurs during the communication
Inverter between the inverter and DeviceNet option
communication board, the inverter will shut off its output
error and display the error code shown on the
right.
Note: If the option board does not operate normally, confirm the DIP switch settings on the option board.
Functions of the DIP switches on the DeviceNet option board (SJ-DN)
Setting of DeviceNet baud rate (DIP switches No. 1 and No. 2)
Baud rate
DIP switch setting
Setting of MAC ID (DIP switches No. 3 to No. 8)
MAC ID
Note: For details, refer to the instruction manual for the option board.
Display on digital Display on remote
operator
125 kbps
DR
ON
↓
↓
OFF
DR1 DRO
The left-most switch indicates the highest-order bit of MAC ID. Therefore, the
example of switch settings shown on the left indicates the following MAC ID:
5-7
Troubleshooting and corrective action
operator
Check whether the communication speed
setting is correct.
Check whether the wiring distance is
OP1-0
appropriate.
Check the connections.
OP2-0
Check whether duplicate MAC IDs are used.
OP1-1
OP2-1
Check whether the Attribute 17 in the
OP1-2
Instance 1 of Class 29 is "1". (If so, clear the bit
to "0".)
OP2-2
Check whether the option board has been
OP1-9 disconnected from the inverter.
OP2-9
250 kbps
DR
ON
↓ ↑
OFF
DR1 DRO
Dip switch setting
= 29 (hexadecimal) = 41 (decimal)
Error Codes
Reference
page
Refer to the
instruction
manual for
the SJ-DN.
500 kbps
DR
ON
↑ ↓
OFF
DR1 DRO