Fnc 77 - Pr / Print (Ascii Code) - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
15.8 FNC 77 – PR / Print (ASCII Code)
Outline
This instruction outputs ASCII code data to outputs (Y) in parallel.
1. Instruction format
FNC 77
PR
2. Set data
Operand Type
S
D
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
S
D
Explanation of function and operation
1. 16-bit operation (PR)
ASCII codes stored in low-order 8 bits (1 byte) of
one character at a time in the time division method.
Command
input
FNC 77
The timing chart below shows a case in which the following ASCII codes are stored in
Eight bytes are sent from
S
A (H41)
464
Mnemonic
16-bit Instruction
5 steps PR
Head device number storing ASCII code data
Head output (Y) number to which ASCII code data is output
Digit Specification
S D
PR
= "A" at first to "
S
S +1 S +2
B (H42) C (H43)
15 External FX I/O Device – FNC 70 to FNC 79
Operation Condition
32-bit Instruction
Continuous
Operation
Description
Word Devices
Special
System User
Unit
to +7 are output to
S S
+7 = "H" at the end.
S
S +3 S +4
D (H44) E (H45)
15.8 FNC 77 – PR / Print (ASCII Code)
Mnemonic Operation Condition
−
Character string
(only ASCII codes)
Others
Con- Real
Index
stant Number
V Z Modify K H E
to
D D
to
S
S +5 S +6
F (H46) G (H47)
Data Type
Bit
Charac-
Pointer
ter String
" " P
+7 in turn by
+7.
S
S +7
H (H48)