Fnc169 - Hour / Hour Meter - Mitsubishi Electric FX3G SERIES Programming Manual

FX /FX /FX Series Programmable Controllers
3G 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
S S
1
S D
1 1
S D
2 2
1: D .b is available only in FX
2: This function is supported only in FX
Explanation of function and operation
1. 16-bit operation
Command
input
FNC169
HOUR
S : Time after which
Specify a value in units of hour.
D : Current value in units of hour
1
D + 1 : Current value less than one hour (unit: second)
1
D : Alarm output destination
2
It turns ON when the current value
• Specify a latched (battery backed) type data register as
used even after the PLC turns OFF.
If a general type data register is used, the current value data is cleared when the power to 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
Mnemonic
16-bit Instruction
7 steps HOUR
D
Time after which 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
1
and FX PLCs. However, index modifiers (V and Z) are not available.
3U 3UC
/FX
3U 3UC
S D D
1 2
D is set to ON
2
D turns ON, the measurement is continued.
2
D reaches the maximum value of 16-bit data, the measurement is stopped.
1
21 Real Time Clock Control – FNC160 to FNC169
Operation Condition
32-bit Instruction
Continuous
13 steps DHOUR
Operation
Description
Word Devices
Special
System User Index
Unit
T C D R U \G V Z Modify K
2
PLCs.
When the accumulated ON time of the command input
exceeds the time stored in
The current value less than one hour is stored in
(unit: second).
D exceeds the time specified in
1
D so that the current value data can be continuously
1
D and
1
21.9 FNC169 – HOUR / Hour Meter
Mnemonic Operation Condition
Continuous
Operation
Data type
16- or 32-bit binary
16- or 32-bit binary
Bit
Others
Con- Real Charac-
Pointer
stant Number ter String
H E " "
, is set to ON.
S D
2
D
S .
D +1.
1
579
21
22
23
24
25
P
26
27
+1
1
28
29
30