Tag Fb Categories - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

Tag FB categories

The tag FB is classified into four categories according to the tag type. The following table lists the tag type classification.
Classification
Loop tag
Status tag
Alarm tag
Message tag
The tag data structure and faceplate type depend on the tag type of tag FB.
Ex.
Tag type (PID) and faceplate for the tag FB (M+M_PID)
Tag FB
M+M_PID
PVN MVN
CASIN CASOUT
CASOUT_T
For the tag type list, refer to the following.
Page 22 User-defined Tag FB and Tag Access FB
Description
Used for loop control processing.
This is equivalent to the loop tag used in process control instructions.
Used for monitoring or control of the on/off states.
Used to notify an alarm.
Used to notify a message.
Tag type (PID)
Offset Label
+0 FUNC
+1 b3 MAN
b4 AUT
b5 CAS
b9 CMV
bA CSV
+2 b3 MANI
b4 AUTI
b5 CASI
b9 CMVI
bA CSVI
bD ATI
bE OVRI
bF SIMI
+3 b0 MLA
b1 MHA
b2 DVLA
b3 DPNA
Faceplate
1 PROCESS CONTROL FUNCTION BLOCK
1
19
1.3 Tag FB