Plc Constants - Mitsubishi Electric M800VW Series Programming Manual

M800V/M80V Series PLC Programming Manual (1/2)
11 Parameters

11.1 PLC Constants

11.1 PLC Constants
The parameters that can be used in user PLC include PLC constants set in the data type. The PLC constants include the
basic area and the extended area.
 Basic area
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.
150 PLC constants are set (the setting range is ±8 digits). (Signed 4-byte binary data)
[PLC constant No. and R register correspondence table]
Item (# No.)
LOW side
PLC constant #1
(#18001)
HIGH side
LOW side
PLC constant #2
(#18002)
HIGH side
LOW side
PLC constant #3
(#18003)
HIGH side
...
LOW side
PLC constant #148
(#18148)
HIGH side
LOW side
PLC constant #149
(#18149)
HIGH side
LOW side
PLC constant #150
(#18150)
HIGH side
[PLC constant setting and display screen]
IB-1501667-B
Corresponding reg-
Details
ister
R7500
R7501
R7502
R7503
R7504
R7505
Data type parameters
... which can be used in user
PLC
R7794
R7795
R7796
R7797
R7798
R7799
456
Setting range
-99999999
to
99999999
(Signed 8-digit integer)