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21 Applied Instructions (Real Time Clock Control)
21.7 TRD / Read RTC data
557
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)
21.7 TRD / Read RTC data
Outline
The clock data is read out in 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
TRD 16 bits Continuous TRD(EN,d);
TRDP 16 bits Pulse TRDP(EN,d);
Variable Description Data type
Input
variable
EN Execution condition Bit
Output
variable
ENO Execution state Bit
The reading destination of clock data and the head device are specified (7
points occupied).
ARRAY [0..6]
OF ANY16
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
VZModifierKH E
""
P
zzz
S1 S2
z
TRD
EN ENO
d
TRDP
EN ENO
d