Fnc 50 - Ref / Refresh - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
13.1 FNC 50 – REF / Refresh
Outline
This instruction immediately outputs the latest input (X) information or the current output (Y) operation result
in the middle of a sequence program.
1. Instruction format
FNC 50
REF
2. Set data
Operand Type
D
n
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y
1 2
D
n
1: X000, X010 or X020:
2: Y000, Y010 or Y020:
3: FX /FX
3U 3UC
FX PLC:
3G
354
Mnemonic
16-bit Instruction
P REF
5 steps
REFP
Head bit device (X or Y) number to be refreshed
Number of bit devices to be refreshed
(FX /FX : multiple of 8 in the range from 8 to 256,
3U 3UC
FX : multiple of 8 in the range from 8 to 128)
3G
Digit Specification
M T C S D .b KnX KnY KnM KnS T C D R U \G
Up to the final input number (whose least significant digit number is "0")
Up to the final output number (whose least significant digit number is "0")
PLCs: K8 (H8) or K16 (H10): Up to K256 (H100) (which is a multiple of 8)
K8 (H8) or K16 (H10): Up to K128 (H80) (which is a multiple of 8)
13 High Speed Processing – FNC 50 to FNC 59
Operation Condition
32-bit Instruction
Continuous
Operation
Pulse (Single)
Operation
Description
Word Devices
System Special
User Unit
V Z Modify
13.1 FNC 50 – REF / Refresh
Mnemonic Operation Condition
−
−
Data Type
16-bit binary
Others
Real Charac-
Index Constant
Number ter String
K H E
3 3
Bit
Pointer
" " P