Messages During Emergency Stop (Emg) - Mitsubishi Electric MELDAS C6 Instruction Manual

7.7 Messages During Emergency Stop (EMG)

Error Items
PLC
EXIN
SRV
STOP
SPIN
PC_H
PARA
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7.7 Messages During Emergency Stop
Details
The user PLC has entered the emergency
stop state during the sequence process.
The emergency stop input signal is
significant (open).
An alarm occurred in the servo system
causing an emergency stop.
The user PLC (ladder sequence) is not
running.
Spindle drive unit not mounted.
The spindle drive unit is not mounted.
High-speed PC processing abnormal
Setting of the door open II fixed device is
illegal.
The dog signal random assignment
parameter setting is illegal.
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7. List of Alarms
• Investigate and remove the cause of the
user PLC emergency stop.
• Cancel the emergency stop input signal.
• Check the wiring to see if any wiring is
missing.
• Investigate and remove the cause of the
servo alarm.
• Check if the rotary switch:CS1 (left
switch) on the top of the controller front
panel is set to 1.
• Check if the PLC edit file save screen
(onboard function) [4RUN/SP] (run/stop)
switch is turned ON.
• Cancel the causes of the other
emergency stop.
• Check emergency stop signal and ready
signal input in the spindle drive unit.
• Check the sequence program.
(To stop monitoring the high-speed PC
processing temporarily, set "1" in #1219
aux03 bit1. Disable the monitoring
function only as a temporary measure.)
• Specify the "#1155 DOOR_m" and "#1156
DOOR_s" parameters correctly. (When
the door open II fixed device is not used,
set "#1155 DOOR_m" and "#1156
DOOR_s" to "100".)
• Correctly set the "#2073 zrn_dog",
"#2074 h/w_ot+", "#2075 h/w_ot-" and
"#1226 aux10 bit 5" parameters.
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