Fnc290 - Loadr / Load From Er - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
33.1 FNC290 – LOADR / Load From ER
Outline
This instruction reads the current values of extension file registers (ER) stored in the attached memory
cassette (flash memory or EEPROM) or EEPROM built into the PLC, and transfers them to extension
registers (R) stored in the RAM in the PLC.
1. Instruction format
FNC 290
LOADR
2. Set data
Operand Type
S
n
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
S
n
754
Mnemonic
16-bit Instruction
LOADR
5 steps
LOADRP
Device number of extension register (transfer destination) to which data is to be
transferred
(The extension file register having the same number is handled as the data
transfer source.)
Number of points to be read (transferred)
: 1 ≤ n ≤ 24000, FX
[FX /FX
3G 3U
Digit Specification
33 Extension File Register Control – FNC290 to FNC299
Operation Condition
32-bit Instruction
Continuous
Operation
Pulse (Single)
Operation
Description
: 0 ≤ n ≤ 32767]
3UC
Word Devices
Special
System User
Unit
V Z Modify K H
33.1 FNC290 – LOADR / Load From ER
Mnemonic Operation Condition
⎯
⎯
Data Type
16-bit binary
Others
Con- Real Charac-
Index
stant Number ter String
E " "
Pointer
P