IDEC MICROSmart FC6A Series, User Manual

Page: 247 / 578

FC6A S
ERIES
MICROS
MART
U
SER
’
S
M
ANUAL
FC9Y-B1722 5-1
5: F
UNCTIONS AND
S
ETTINGS
Introduction
This chapter describes the FC6A Series MICROSmart's special functions and convenient functions that you should know about in
using the WindLDR (Windows compatible) PLC programming software.
Function List
The FC6A Series MICROSmart supports many functions in addition to instructions.
For functions that require advanced setup including the high-speed counters, user program protection functions, and Ethernet
communication functions, first configure those settings in the
Function Area Settings dialog box, and then download the user
program to the FC6A Series MICROSmart.
Function Name Overview Reference Setup Location
Stop input The FC6A Series MICROSmart can be started/stopped with a specified input. 5-7
Function area
settings
Reset input
The device values of the FC6A Series MICROSmart can be cleared with a
specified input.
5-7
Run/stop selection at keep
data error
This function specifies the user program operating state (run/stop) when the
FC6A Series MICROSmart power is turned on when the backup battery has
died.
5-9
Run/stop selection at
power up
Whether to start or stop the FC6A Series MICROSmart regardless of the
M8000 status when the FC6A Series MICROSmart is powered up can be
specified.
5-10
Function switch
configuration This function configures the operation when the FC6A Series MICROSmart
function switch is used.
5-11
Memory backup
Whether to clear or keep the device values, such as counter current values,
when the FC6A Series MICROSmart starts running can be specified.
5-13
High-speed counter
The high-speed counters can be used to count input pulses from rotary
encoders or proximity switches regardless of the scan time.
5-15
Catch input
The catch input can be used to receive short pulses from sensors regardless
of the scan time.
5-35
Interrupt input
When a quick response to an external input is required, such as in positioning
control, the interrupt input can call a subroutine to execute an interrupt
program.
5-37
Frequency measurement
The pulse frequency of input signals to input terminals can be counted
regardless of the scan time.
5-40
Input filter
The input filter rejects short input pulses when the FC6A Series MICROSmart
is used with input signals containing noises.
5-42
Analog voltage input
Analog voltage input, such as input from pressure sensor, can be read and
stored in special data register as digital value.
5-44
Analog potentiometer
This function changes the analog value used in a user program with the FC6A
Series MICROSmart's analog potentiometer.
5-46
Timer interrupt
When executing the same program repeatedly regardless of the scan time is
required, the timer interrupt can call a subroutine at specified time interval.
5-48
Forced I/O function
The inputs or outputs of the FC6A Series MICROSmart can forcibly be turned
on or off regardless of the actual inputs and outputs status.
5-50 Monitor
External memory devices Configure the CSV file format of the log data to save to the SD memory card. 5-54
Function area
settings
Log data file size
The maximum file size of the log data that is saved to the SD memory card
can be configured.
5-55
32-bit data storage setting The order of upper and lower words for 32-bit data can be specified. 5-56
User program protection
The user program in the FC6A Series MICROSmart can be protected with a
password against the user program upload or download.
5-58
Watchdog timer settings
The watchdog timer monitors the FC6A Series MICROSmart operation and the
watchdog time preset value can be changed.
5-60
Constant scan time
The scan time of the FC6A Series MICROSmart can be made constant by
specifying the constant scan time.
5-61
Daylight savings time
The internal clock of the FC6A Series MICROSmart can automatically be
adjusted according to the configured daylight saving time period.
5-62
Clock function
The FC6A Series MICROSmart can operate according to the current date and
time and be used in applications, such as lighting or air conditioning.
5-63 Instructions