2 -3
Remark: During power up or changing operation mode from STOP
→
RUN, all contents in non-retentive relays or
registers will be cleared to 0; the retentive relays or registers will remain the same state as before.
Relay No.
Function
Description
1. Stop, Prohibited Control
M1912
Emergency Stop control
y
If ON, PLC will be stopped (but not enter STOP mode) and all
outputs OFF.
This bit will be cleared when power up or changing operation
mode from STOP
→
RUN.
M1913
Disable external outputs control
y
All external outputs are turn off but the
status of Y0
~
Y255 inside the PLC will not be affected.
M2001
Disable/Enable status retentive control
y
If M2001 is 0 or enabled, the Disable/Enable status of all
contacts will be reset to enable during power up or changing
operation mode from STOP
→
RUN.
y
If M2001 is disabled and force ON, the Disable/Enable status &
ON/OFF state of all contacts will remain as before during power
up or changing operation mode from STOP
→
RUN.
While testing, it may disable and force ON M2001 to keep the
ON/OFF state of disabled contacts, but don’t forget to enable
the M2001 after testing.
2. CLEAR Control
M1914
Clear Non-Retentive Relays
y
Cleared When at 1
M1915
Clear Retentive Relays
y
Cleared When at 1
M1916
Clear Non-Retentive Registers
y
Cleared When at 1
M1917
Clear Retentive Registers
y
Cleared When at 1
M1918
Master Control (MC) Selection
y
If 0, the pulse activated functions within the master control loop
will only be executed once at first 0
→
1 of master control loop.
If 1, the pulse activated functions within the master control loop
will be executed every time while changing 0
→
1 of master
control loop.
M1919 Function
output
control
y
If 0, the functional outputs of some function instructions will
memory the output state, even these instructions not been
executed.
If 1, the functional output of some function instructions without
the memory ability.
※
M1918/M1919 can be set to 0 or 1 at will around the whole program to meet the control requirement
s.
2.3
Special Relay Details
Содержание FBs-CBE
Страница 78: ...MEMO ...
Страница 111: ...4 6 X0 X1 Node A Y0 Y1 Node B differential down Incerse differential up t Scan time Inverse t t ...
Страница 141: ...Basic Function Instruction 6 16 FUN 2 SKP SKIP START FUN 2 SKP Y2 Y1 Y0 T201 10S X0 X1 X2 0 10 0 ...
Страница 305: ...MEMO ...
Страница 348: ...MEMO ...