Hitachi SJ700-4000HFU2

Chapter 5 Error Codes
5-5
5.1.2 Option boards error codes
When an option board is mounted in the optional port 1 (located near the operator connector), the error code
display format is "E6*. " (on the digital operator) or "OP1-*" (on the remote operator). When it is mounted in the
optional port 2 (located near the control circuit terminal block), the error code display format is "E7*. " (on the
digital operator) or "OP2-*" (on the remote operator).
1) Error indications by protective functions with the feedback option board (SJ-FB) mounted
Name
Description
Display on digital
operator
Display on remote
operator
ERR1***
Encoder
disconnection
If the encoder wiring is disconnected, an encoder
connection error is detected, the encoder fails, or an
encoder that does not support line driver output is
used, the inverter will shut off its output and display the
error code shown on the right.
OP1-0
OP2-0
Excessive speed
If the motor speed rises to "maximum frequency (A004)
x over-speed error detection level (P026)" or more, the
inverter will shut off its output and display the error
code shown on the right.
OP1-1
OP2-1
Positioning error
If, in position control mode, the deviation of the current
position from that specified by the positioning
command increases to 1,000,000 pulses or more, the
inverter will shut off its output and display the error
code shown on the right.
OP1-2
OP2-2
Position control
range trip
In absolute position control mode, the inverter shuts off
its output and indicates an error when the range
specified by the position range specification (forward)
(P072) or position range specification (reverse) (P073) is
exceeded.
OP1-3
OP2-3
SJ-FB connection
error
If a faulty connection (i.e., mounting) of the feedback
option board is detected, the inverter will shut off its
output and display the error code shown on the right.
OP1-9
OP2-9
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 feedback option board (SJ-FB)
DIP switch
Switch No.
Setting
SWENC
1
ON
Enabling the detection of encoder disconnection when the encoder phases A
and B are not connected
OFF
Disabling the detection of encoder disconnection when the encoder phases A
and B are not connected
2
ON
Enabling the detection of encoder disconnection when the encoder phase Z is
not connected
OFF
Disabling the detection of encoder disconnection when the encoder phase Z is
not connected
SWR
1
ON
Enabling the terminating resistor between the SAP and SAN terminals (150Ω)
OFF
Disabling the terminating resistor between the SAP and SAN terminals
2
ON
Enabling the terminating resistor between the SBP and SBN terminals (150Ω)
OFF
Disabling the terminating resistor between the SBP and SBN terminals
Note: For details, refer to the instruction manual for the option board.