1. List of Alarms
1.7 Messages During Emergency Stop
I - 35
1.7 Messages During Emergency Stop
EMG EMERGENCY
∗∗∗∗
Error items
Refer to the explanations for details
.
Error No.
Details
Remedy
PLC
The user PLC has entered the emergency
stop state during the sequence process.
• Investigate and remove the cause of the
user PLC emergency stop.
EXIN
The emergency stop input signal is
significant (open).
• Cancel the emergency stop input signal.
• Check the wiring to see if any wiring is
broken.
SRV
An alarm occurred in the servo system
causing an emergency stop.
• Investigate and remove the cause of the
servo alarm.
STOP
The user PLC (ladder sequence) is not
running.
• Check if the rotary switch CS2 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.
SPIN
Spindle amplifier not mounted
The spindle amplifier is not mounted.
• Cancel the causes of the other emergency
stop.
• Check emergency stop signal input in the
spindle amplifier.
PC_H
High-speed PC processing abnormal
• 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.)
PARA
Setting of the door open II fixed device is
illegal.
The dog signal random assignment
parameter setting is illegal.
• 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 aux
10 bit 5 parameters.
LINK
If the FROM/TO instruction is not executed
within 500 ms, an emergency stop occurs.
• Try to execute the FROM or TO instruction
one or more times every 500 ms.
* Measure the time in which no interrupt
request is issued from MELSEC and store
the result in the R register.
R1880: Current time-out counter
R1881: Counter for maximum time-out
after power-on
R1882: Counter for maximum time-out
after system start-up (backed up)
Содержание MELDAS 60 Series
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