Fnc 47 - Anr / Annunciator Reset - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
12.8 FNC 47 – ANR / Annunciator Reset
Outline
This instruction resets an annuciator (S900 to S999) in the ON status with the smallest number.
1. Instruction format
FNC 47
ANR
2. Set data
Operand type
⎯
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
⎯
Explanation of function and operation
1. 16-bit operation (ANR and ANRP)
When the command input turns ON, a state relay working as annunciator (S900 to S999) in the ON status is
reset.
• If two or more state relays are ON, the state relay with the smallest number is reset.
When the command input is set to ON again, the state relay with the next smallest number is reset among
state relays working as annunciators (S900 to S999) in the ON status.
Command
input
Related devices
Device
M8049 Enable annunciator
M8048 Annunciator ON
Minimum state relay
D8049
number in ON status
Caution
1. Execution in each operation cycle
• When ANR instruction is used, annunciators in the ON status are reset in turn in each operation cycle.
• When ANRP instruction is used, an annunciator in the ON status is reset only in one operation cycle (only
once).
Program example
Refer to ANS (FNC 46) instruction.
348
Mnemonic
16-bit Instruction
P
1 step ANR
ANRP
There is no set data.
Digit Specification
FNC 47
ANRP
Name
When M8049 is set to ON, M8048 and D8049 are valid.
When M8049 is ON and either one among the state relays S900 to S999 is ON, M8048
turns ON.
Among S900 to S999, the minimum number in the ON status is stored.
Operation Condition
32-bit Instruction
Continuous
Operation
Pulse (Single)
Operation
Description
Word Devices
Special
System User
Unit
There are no applicable devices.
Description
→ For a program example, refer to Section 12.7.
12 Data Operation – FNC 40 to FNC 49
12.8 FNC 47 – ANR / Annunciator Reset
Mnemonic Operation Condition
−
−
Others
Con- Real
Index
stant Number
V Z Modify K H E
Data type
⎯
Charac-
Pointer
ter String
" " P