Forced Stop Function - Mitsubishi Electric QD75MH1 User Manual

12 CONTROL SUB FUNCTIONS

12.4.5 Forced stop function

When the forced stop is required to be wired, ensure to wire it in the negative logic using b-contact.
Provided safety circuit outside the QD75MH so that the entire system will operate safety even when the
" Pr.82 Forced stop valid/invalid" is set "1: Invalid". Be sure to use the forced stop signal (EMI) of the
servo amplifier.
Stop cause
"Forced stop input
Forced stop
signal" OFF
By the QD75MH external equipment connector is connected forced stop, this function
is available for all axes of servo amplifier. (The initial value is "0: Valid".)
The forced stop input valid/invalid is selected by "
The details shown below explain about the "forced stop function".
[1] Control details
[2] Wiring the forced stop
[3] Setting the forced stop
[4] How to check the forced stop
[5] Precautions during control
[1] Control details
A warning "controller forced stop warning (warning code: 2147)" will occur if
turned on the forced stop input signal when the "
is set "0: Valid". And then it is available for all axes of servo amplifier.
The outline of the forced stop process is shown below.
operation
M code
Stop ON
axis signal Md.26
(
after stop
stopping
No
All axes
Servo OFF
change
DANGER
!
Axis
OPR control
status
Machine
)
Fast OPR
OPR
control
after
control
Servo OFF or free run (The operation stops with dynamic
brake)
12 - 39
MELSEC-Q
Pr.82 Forced stop valid/invalid".
Pr.82 Forced stop valid/invalid"
Stop process
Major High-level
JOG/
positioning positioning
Inching
control control
operation
Manual control
Manual
pulse
generator
operation