Mitsubishi Electric MELSEC FX3U - FNC 50 - REF; Refresh

354
FX3G/FX3U/FX3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
13 High Speed Processing – FNC 50 to FNC 59
13.1 FNC 50 – REF / Refresh
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
2. Set data
3. Applicable devices
S1: X000, X010 or X020: Up to the final input number (whose least significant digit number is "0")
S2: Y000, Y010 or Y020: Up to the final output number (whose least significant digit number is "0")
S3: FX
3U/FX3UC PLCs: K8 (H8) or K16 (H10): Up to K256 (H100) (which is a multiple of 8)
FX
3G PLC: K8 (H8) or K16 (H10): Up to K128 (H80) (which is a multiple of 8)
Operand Type Description Data Type
Head bit device (X or Y) number to be refreshed Bit
n
Number of bit devices to be refreshed
(FX
3U/FX3UC: multiple of 8 in the range from 8 to 256,
FX
3G: multiple of 8 in the range from 8 to 128)
16-bit binary
Oper-
and
Type
Bit Devices Word Devices Others
System User Digit Specification
System
User
Special
Unit
Index Constant
Real
Number
Charac-
ter String
Pointer
XYMTCSD
 .b KnX KnY KnM KnS T C D R U\G VZModify K H E "  "P
S1 S2
n S3 S3
P
FNC 50
REF
−
−
Mnemonic Operation Condition
16-bit Instruction
5 steps
REF
REFP
Mnemonic Operation Condition
Continuous
Operation
Pulse (Single)
Operation
32-bit Instruction
D
D