Parameters; Plc Constants - Mitsubishi Electric MELDAS C6 Programming Manual

4. Parameters

4.1 PLC Constants

The parameters that can be used in user PLC include PLC constants set in the data type.
Set up data is stored in a file register and is backed up. In contrast, if data is stored in the file register
corresponding to PLC constant by using sequence program MOV instruction, etc., it is backed up.
However, display remains unchanged. Display another screen once and then select the screen
again.
48 PLC constants are set (the setting range is ±8 digits). (Signed 4-byte binary data)
The correspondence between the PLC constants and file registers is listed below. The setting and
display screens are also shown.
Corresponding file registers
#
High order
6301 R4501
6302 R4503
6303 R4505
6304 R4507
6305 R4509
6306 R4511
6307 R4513
6308 R4515
6309 R4517
6310 R4519
6311 R4521
6312 R4523
6313 R4525
6314 R4527
6315 R4529
6316 R4531
6317 R4533
6318 R4535
6319 R4537
6320 R4539
PLC constant screen
4. Parameters
4.1 PLC Constants
Corresponding file registers
#
Low order High order
R4500 6321 R4541
R4502 6322 R4543
R4504 6323 R4545
R4506 6324 R4547
R4508 6325 R4549
R4510 6326 R4551
R4512 6327 R4553
R4514 6328 R4555
R4516 6329 R4557
R4518 6330 R4559
R4520 6331 R4561
R4522 6322 R4563
R4524 6333 R4565
R4526 6334 R4567
R4528 6335 R4569
R4530 6336 R4571
R4532 6337 R4573
R4534 6338 R4575
R4536 6339 R4577
R4538 6340 R4579
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Corresponding file registers
#
Low order High order
R4540 6341 R4581
R4542 6342 R4583
R4544 6343 R4585
R4546 6344 R4587
R4548 6345 R4589
R4550 6346 R4591
R4552 6347 R4593
R4554 6348 R4595
R4556
R4558
R4560
R4562
R4564
R4566
R4568
R4570
R4572
R4574
R4576
R4578
Low order
R4580
R4582
R4584
R4586
R4588
R4590
R4592
R4594