Mitsubishi Electric MELSEC-FX3S Series - Alarm Output Flag: (S3)+24

FX 3S /FX 3G /FX 3GC /FX 3U /FX 3UC PLC User's Manual - Analog Control Edition
PID Instruction (FNC 88)
M-17
3 Parameter
3.2 Details of Parameters
K
FX
3U
-4AD-PNK
-ADP
L
FX
3U
-4AD-TC
-ADP
M
PID Instruction (FNC 88)
3.2.8 Alarm output flag: (S3)+24
When the input variation [ +1, bit 1] is set to 1
When the output variation [ +1, bit 2] is set to 1
- When the preset input/output variation is exceeded:
Each bit of +24 (alarm flags) turns ON immediately after PID instruction execution.
S 3
Time
Variation
Measured value (PV)
Sampling time (TS)
ON
ON
Alarm flag
+24
bit0
S
3
+24
bit1
S3
S 3
Time
Variation
Output (MV)
Sampling time (TS)
ON
ON
Alarm flag
+24
bit2
S
3
+24
bit3
S3
Variation
S 3