Mitsubishi Electric FX3G SERIES Programming Manual page 734
Programmable controllers
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Also See for FX3G SERIES:
- User manual (532 pages) ,
- Hardware manual (8 pages) ,
- Quick start manual (2 pages)
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FX
/FX
/FX
Series Programmable Controllers
3G
3U
3UC
Programming Manual - Basic & Applied Instruction Edition
2)
In FX
PLCs
3G
a) When a memory cassette is connected
The contents (current values) of "n" extension registers (R) starting from are written (transferred) to extension
file registers having with same device numbers in a memory cassette (flash memory).
Command
input
Extension registers (R) inside
built-in RAM
S
S
S
S
*1 All points specified by the instruction are written (transferred).
b) When a memory cassette is not connected
The contents (current values) of "n" extension registers (R) starting from
extension file registers which are stored in the EEPROM built into the PLC and have the same device
numbers.
Command
input
Extension registers (R) inside
built-in RAM
S
S
S
S
*1 All points specified by the instruction are written (transferred).
732
FNC290
S
RWERP
Write
(transfer)
+1
+2
+n-1
FNC290
S
RWERP
Write
(transfer)
+1
+2
+n-1
33 Extension File Register Control – FNC290 to FNC299
n
Extension file registers (ER)
inside memory cassette
*1
E
S
S
E
+1
E
S
+2
E
+n-1
S
n
Extension file registers (ER)
inside built-in EEPROM
*1
E
S
S
E
+1
E
S
+2
E
+n-1
S
33.5 FNC294 – RWER / Rewrite to ER
S
are written (transferred) to
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