3 DEVICES
3.1 Device List
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3 DEVICES
This section describes the devices used with the Motion CPU.
3.1 Device List
The following is a list of devices that can be used with the Motion CPU.
: Setting possible, : Setting not possible
*1 The description for word device bit designation is "Device No. n (n = bit No.: 0 to F)".
(Example) "W100.A" indicates W100 bit A.
*2 Refer to latch function for details on the latch function. (Page 86 Latch Function)
*3 Up to 4096 X/Y points set in the GX Works3 [System Parameter] [I/O Assignment Setting] can be used as actual input/actual output.
(By specifying I/O settings other than group settings, the I/O status for management of other CPUs can be read.)
*4 The total number of devices for the number of devices/latch setting can be changed within 128k words.(Page 84 Device points
setting)
*5 Includes dedicated positioning devices.
*6 indicates the CPU No. (CPU No.1: 0, CPU No.2: 1, CPU No.3: 2, CPU No.4: 3).
*7 This is the usage range at the Motion CPU. The maximum number of CPU buffer memory access devices will differ depending on the
CPU module.
*8 The total number for each unit can be changed within 24k words in the GX Works3 [System Parameter] [Multiple CPU Setting].
However, the maximum number per CPU is 12288.
*9 indicates 00H to FFH (module I/O No. /10H). The accessible range differs depending on the module. Refer to the manual for the
module being used.
Category Type Device name Device range Word device Bit
designation
*1
Latch
setting
*2
No. of points Setting range Notation
User device Bit device Input (X) 12288 points (12k)
*3
X0 to X2FFF Hexadecimal
Output (Y) 12288 points (12k)
*3
Y0 to Y2FFF Hexadecimal
Internal relay (M) 49152 points (48k)
*4*5
M0 to M49151 Decimal
Link relay (B) 8192 points (8k)
*4
B0 to B1FFF Hexadecimal
Annunciator (F) 2048 points (2k)
*4
F0 to F2047 Decimal
Word device Data register (D) 57344 points (56k)
*4*5
D0 to D57343 Decimal
Link register (W) 8192 points (8k)
*4
W0 to W1FFF Hexadecimal
Motion register (#) 12288 points (12k)
*4
#0 to #12287 Decimal
System device Bit device Special relay (SM) 4096 points SM0 to SM4095 Decimal
Word device Special register (SD) 4096 points SD0 to SD4095 Decimal
CPU buffer
memory
access device
Word device CPU buffer memory
access device
Up to 2097152 (2M) U3E\G0 to
U3E\G2097151
*6*7
Decimal
CPU buffer memory
access device
(fixed scan
communication area)
Up to 12288 points
(12k)
*8
U3E\HG0 to
U3E\HG12287
*6
Decimal
Module
access device
Word device Module access device Up to 268435456
points (256M)
U\G0 to
UG268435455
*9
Decimal
Constant 16-bit integer
type
Decimal notation K-32768 to K32767
Hexadecimal notation H0 to HFFFF
32-bit integer
type
Decimal notation K-2147483648L to K2147483647L
Hexadecimal notation H0L to HFFFFFFFFL
64-bit
floating-point
type
Decimal notation K-1.79E+308 to K-2.23E-308
K0.0
K2.23E-308 to K1.79E+308
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