Fnc169 - Hour / Hour Meter - Mitsubishi FX3U Series Programming Manual

FX /FX Series Programmable Controllers
3U 3UC
Programming Manual - Basic & Applied Instruction Edition
21.9 FNC169 – HOUR / Hour Meter
Outline
This instruction measures the ON time of the input contact in units of hour.
1. Instruction format
FNC 169
D
HOUR
2. Set data
Operand type
S S
1
S D
1 1
D
2
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
S
1
S D
1 1
S D
2 2
: "D .b" cannot be indexed with index registers (V and Z).
Explanation of function and operation
1. 16-bit operation
Command
input
FNC169
HOUR
: Time after which
S
Specify a value in units of hour.
: Current value in units of hour
D
1
+ 1 : Current value less than one hour (unit: second)
D
1
: Alarm output destination
D
2
It turns ON when the current value
• Specify a latched (battery backed) type data register as
continuously used even after the PLC turns OFF.
If a general type data register is used, the current value data is cleared when the power of the PLC is
turned OFF or when the PLC mode switches from STOP to RUN.
• Even after the alarm output
• When the current value
For continuing the measurement, clear the current value stored in
558
Mnemonic
16-bit Instruction
7 steps HOUR
Time after which D is set to ON (unit: hour)
2
Current value (unit: hour) (latched (battery backed) type data register latched
(battery backed))
Head device number to which alarm is output
Digit Specification
S D
1
is set to ON
D
2
turns ON, the measurement is continued.
D
2
reaches the maximum value of 16-bit data, the measurement is stopped.
D
1
21 Real Time Clock Control – FNC160 to FNC169
Operation Condition
32-bit Instruction
Continuous
Operation
Description
Word Devices
Special
System User
Unit
When the accumulated ON time of the command input
exceeds the time stored in
D
2
The current value less than one hour is stored in
(unit: second).
exceeds the time specified in
D
1
so that the current value data can be
D
1
21.9 FNC169 – HOUR / Hour Meter
Mnemonic Operation Condition
13 steps DHOUR
16- or 32-bit binary
16- or 32-bit binary
16- or 32-bit binary
Others
Con- Real
Index
stant Number
V Z Modify K H E
, is set to ON.
S D
2
.
S
and +1.
D D
1 1
Continuous
Operation
Data type
Charac-
Pointer
ter String
" " P
+1
D
1