Chapter 11 Tag Special; Change Control Mode (M+P_Mchg) - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

11
TAG SPECIAL
The following FB changes the control mode.
To set initial values of public variables of the tag access FB arranged on a user-defined tag FB in "FB
Property" of the engineering tool, refer to the following.
 GX Works3 Operating Manual
11.1

Change Control Mode (M+P_MCHG)

M+P_MCHG
This function block switches the control mode to one of MANUAL, AUTO, CASCADE, COMPUTER MV, COMPUTER SV,
CASCADE DIRECT according to a mode change signal.
FBD/LD
M+P_MCHG
MODEIN
E_
Applicable tag type
PID, 2PID, 2PIDH, PIDP, SPI, IPD, BPI, R, ONF2, ONF3, PGS, PGS2, MOUT, SWM, MWM, SEL, PVAL, HTCL, NREV, REV, MVAL1, MVAL2, PB
Control mode
MAN

*1 Transition to CASDR is possible.
■Block diagram
MODEIN
Mode change request
E_
11 TAG SPECIAL
338
11.1 Change Control Mode (M+P_MCHG)
AUT

No mode change request
Range check
of mode
change signal
Mode change
request
detection
*1
CAS CMV
 
M+P_MCHG
Status check
of MDIH
Tag data
Disable mode change (MDIH)
CSV

Mode change
output
No mode change
request
Mode change
request
Control mode (MODE)