Inverter Service Manual

2- 3
2.2 Option error
2.2.1 Feed-back board (SJ-FB)
Trip Contents
Digital
operator
display
Remedy, advice
Encorder wire cut
ü Wire break and/or loose connection of the encoder signal.
ü Encoder failure or used the encoder which is not line driver
output.
ü Used encoder without Z phase signal.
ü Check the wiring.
ü Replace recommended encoder.
ü Set SWENC-2 “OFF” on the card.
Over speed
Detect when the motor rotation exceeds
(Maximum frequency) × (over speed detection level (P026))
ü Tune Kp and J parameters which are
related to ASR to reduce the speed
overshoot.
Positioning error
Detects when the deviation between actual position and position
command exceeds 1,000,000 pulses.
ü Increase position loop gain of APR.
ü Decrease the input pulses per second of
the pulse train input.
Cnnection error
It displays, when the poor connection with SJ-FB is detected.
ü Make sure the connection of the board
ü Make sure if the usage is proper
2.2.2 Digital-input option board (SJ-DG)
Trip contents
Digital
operator
display
Remedy, advice
Option card error
To detect the option card error(failure)
Make sure the connection of the board
Make sure if the usage is proper
2.2.3 Device- Net option board (SJ-DN)
The error display at the time of device network option board (SJ-DN) connection
Trip contents
Digital operator
display
Display of remote
operator
ERR1＊＊＊
DeviceNet communication error
It displays, when connection cutting and the timeout by
Bus-Off etc. occur at the time of operation by DeviceNet
instructions. (Trip by setup of P045 and P048)
OP1-0 OP2-0
Duplication MAC ID
It is shown that the apparatus of the same MAC ID
exists in the same network.
OP1-1 OP2-1
External trip
The instance of Control Supervisor object 1 and Force
by the attribute 17 Fault/Trip It displays, when set to 1.
OP1-2 OP2-2
Communication error of inverter
It displays, when a timeout occurs by the
communication between an inverter and a DeviceNet
option board.
OP1-9 OP2-9