Mitsubishi MELSEC-Q Series Programming Manual page 40

3 SPECIFICATIONS
Classification Type
Bit device
Others
Constant
*1: For the timer, retentive timer, and counter, contact/coil values are stored in bit devices, and current
values are stored in word devices.
*2: The number of points that can be actually used varies depending on the intelligent function module
or special function module.
For the points in the buffer memory, refer to the manual for the intelligent function module or special
function module used.
*3: The value can be changed in the Device setting of the PLC parameter dialog box.
(Except for input, output, step relay, link special relay, and link special register. Refer to Section 9.2.)
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Table 3.5 Device List (continued)
Device name
SFC block device
Network No. specification device
I/O No. specification device
Macro instruction argument device
Decimal constant
Hexadecimal constant
Real constant
Character string constant
Default
Point
320 BL0 to BL319
512 TR0 to TR511
255 J1 to J255
U0 to UFF
K-2147483648 to 2147483647
H0 to HFFFFFFFF
Single-precision floating-point data
E 1.17549435-38 to E 3.40282347+38
Double-precision floating-point data
E 2.2250738585072014-308 to
E 1.7976931348623157+308
"ABC", "123"
Parameter
setting range
Range
Decimal
Decimal
Hexadecimal
Hexadecimal
N/A
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