4: O
PERATION
B
ASICS
4-6
FC5A M
ICRO
S
MART
U
SER
’
S
M
ANUAL
FC9Y-B1268
Start/Stop Operation Using the Power Supply
The MicroSmart can be started and stopped by turning power on and off.
1.
Power up the MicroSmart to start operation. See page 4-1.
2.
If the MicroSmart does not start, check that start control special internal relay M8000 is on using WindLDR. If M8000 is off,
turn it on. See page 4-5.
3.
Turn power on and off to start and stop operation.
Note:
If M8000 is off, the MicroSmart does not start operation when power is turned on. To start operation, turn power on, and turn
M8000 on by clicking the
Start
button in WindLDR.
The response time of the MicroSmart at powerup depends on such factors as the contents of the user program, data link
usage, and system setup. The table below shows an approximate time delay before starting operation after powerup.
Response time when no data link is used:
Program Size
After powerup, the CPU starts operation in
4,800 bytes (800 steps)
Approx. 0.5 second
15,000 bytes (2,500 steps)
Approx. 1.2 seconds
27,000 bytes (4,500 steps)
Approx. 2 seconds
62,400 bytes (10,400 steps)
Approx. 5 seconds
I/O Module Power
ON
OFF
CPU Module Power
ON
OFF
0 sec or more
0 sec or more
Order of Powerup and Powerdown
To ensure I/O data transfer, power up the I/O modules first,
followed by the CPU module, or power up the CPU and I/O
modules at the same time. When shutting down the sys-
tem, power down the CPU first, followed by I/O modules,
or power down the CPU and I/O modules at the same time.
Start/Stop Operation Using Stop Input and Reset Input
Any input terminal available on the CPU module can be designated as a stop or reset input using the Function Area Set-
tings. The procedure for selecting stop and reset inputs is described on page 5-2.
Note:
When using a stop and/or reset input to start and stop operation, make sure that start control special internal relay M8000 is on.
If M8000 is off, the CPU does not start operation when the stop or reset input is turned off. M8000 is not turned on or off when the
stop and/or reset input is turned on or off.
When a stop or reset input is turned on during program operation, the CPU stops operation, the RUN LED is turned off,
and all outputs are turned off.
The reset input has priority over the stop input.
System Statuses at Stop, Reset, and Restart
The system statuses during running, stop, reset, and restart after stopping are listed below:
Mode
Output
Internal Relay, Shift Register, Counter,
Data Register, Expansion DR, Extra DR
Timer Current Value
Keep Type
Clear Type
Run
Operating
Operating
Operating
Operating
Stop (Stop input ON)
OFF
Unchanged
Unchanged
Unchanged
Reset (Reset input ON)
OFF
OFF/Reset to zero
OFF/Reset to zero
Reset to zero
Restart
Unchanged
Unchanged
OFF/Reset to zero
Reset to preset
Note:
Expansion data registers are available on slim type CPU modules. All expansion data registers are keep types.
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