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21 Applied Instructions (Real Time Clock Control)
21.8 TWR / Set RTC data
559
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
21
Applied Instructions
(Real Time
Clock Control)
22
Applied Instructions
(External Device)
23
Applied Instructions
(Extension
Function)
24
Applied Instructions
(Others)
25
Applied Instructions
(Block Data
Operation)
26
Applied Instructions
(Character
String Control)
27
Applied Instructions
(Data Operation 3)
28
Applied Instructions
(Data Comparison)
29
Applied Instructions
(Data Table
Operation)
30
Applied Instructions
(External Device
Communication)
21.8 TWR / Set RTC data
Outline
The clock data is written into the real-time clock built in the PLC.
When using FX
2NC PLC, optional memory board for Real time clock is required.
1. Format and operation, execution form
2. Set data
3. Applicable devices
S: Refer to "Cautions".
FX3U(C) FX3G(C) FX3S FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder/FBD ST
TWR 16 bits Continuous TWR(EN,s);
TWRP 16 bits Pulse TWRP(EN,s);
Variable Description Data type
Input
variable
EN Execution condition Bit
The writing source of clock data and the head device are specified (7
points occupied).
ARRAY [0..6]
OF ANY16
Output
variable
ENO Execution state Bit
Operand
type
Bit Devices Word Devices Others
System user Digit designation System user
Special
unit
Index
Cons
tant
Real
Number
Character
String
Pointer
XYMTCS
D.b
KnX KnY KnM KnS T C D R
U\G
VZModifierK H E
""
P
zzz
S1 S2
z
TWR
EN ENO
s
TWRP
EN ENO
s