Mitsubishi MELSEC-F FX2N-1RM-E-SET, User Manual

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Basic Setting 6
6-3
FX
2N
-1RM-E-SET Programmable Cam Switch
6.2 Specifying the bank
The FX
2N
-1RM can store two or more programs, and execute an arbitrary program in accordance
with an external input to the FX
2N
-1RM or an instruction given by the PLC main unit.
Up to 4 banks are available for an external input. Up to 8 banks are available for an instruction by
the PLC.
• Setting the bank specification method
Set which one between the external input and the PLC is used to specify a bank.
To select either one, give a TO instruction from the data setting panel or the PLC main unit.
< Setting by the data setting panel >
< Setting by the PLC >
The bank specification method write destination is provided in b3 of BFM #0.
BFM #0
b3: OFF
→
A bank is specified by an external input.
ON
→
A bank is specified by the PLC.
Set to specify the Bank from the PLC without fail when you use the current angle transfer
function.
• Bank specification method
Specify the program No. to be executed using the method selected by the procedure
described in "Setting the bank specification method" above (bank specification).
< Bank specification by the external input >
Specify an arbitrary program No. from the B0 and B1 terminals. (For the wiring, refer to "4.1
Power supply and input wiring".)
To change-over the program No. to be executed while a program is running (RUN mode), use
transistors.
The input response time of the FX
2N
-1RM is approximately 3 ms. If relays or with-contact
switches are used, a program other than the specified one may be executed while the bank
change-over operation is being performed.
< Bank specification by the PLC >
The bank specification write destination is provided in BFM #2. Write the program No. to be
executed using a TO instruction.
The effective values are 0 to 7.
Specified program No. B1 B0
0 OFF OFF
1 OFF ON
2 ON OFF
3 ON ON
FNC 3 GO
Select the bank
specification method.
ON/OFF
Every time this key is
pressed, the PLC (The
OFF LED flashes.) or the
external input (The ON
LED flashes.) is selected
alternately.
GO
Select the
specification method
based on flashing of
the LED, and
confirm it by
pressing the [GO]
key.