Hitachi SJ700B Series Instruction Manual page 230

3) Error indications by protective functions with the DeviceNet option board (SJ-DN) mounted
Name
If the disconnection due to the Bus-Off
signal or timeout occurs during the
DeviceNet operation using DeviceNet commands,
communicatio
the inverter will shut off its output and
n error display the error code 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
Duplicate
network, the inverter will display the error
MAC ID
code shown on 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
Inverter communication between the inverter and
communicatio DeviceNet option board, the inverter will
n error shut off its output 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
Description
digital 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:
Display on
Troubleshooting and corrective action
remote 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
5 - 7
Chapter 5 Error Codes
500 kbps
DR
ON
↑ ↓
OFF
DR1 DRO
= 29 (hexadecimal) = 41 (decimal)
Reference
page
Refer to the
instruction
manual for
the SJ-DN.