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CHAPTER9 DEVICES
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9.2 Internal User Device
9 - 5
(4) Device point assignment example
Tabl e9. 2 shows a device point assignment example.
Tabl e9. 2 uses the same format as the device point assignment sheet shown in Appendix 4.
*1: The points are fixed for the system. (Cannot be changed)
The points for the step relay (S) can be changed to 0 if the Universal model QCPU whose serial number (first five digits) is "10042" or
later.
*2: Up to 32K points can be set for each device.
However, up to 60K points can be set for each device of the internal relay and link relay if the Universal model QCPU whose serial
number (first five digits) is "10042" or later,
*3: Enter the values multiplied (or divided) by the number shown in the Size (words) column.
Table9.2 Device point assignment example
Device name Symbol
Numeric
notation
Number of device point
*2
Restriction check
Points Range
Size (words)
*3
Points (bits)
*2
Input relay
*1
X Hexadecimal 8K (8192) X0000 to X1FFF /16 512
1
8192
Output relay
*1
Y Hexadecimal 8K (8192) Y0000 to Y1FFF /16 512
1
8192
Internal relay M Decimal 16K (16384) M0 to M16383 /16 1024
1
16384
Latch relay L Decimal 4K (4096) L0 to L4095 /16 256
1
4096
Link relay B Hexadecimal 4K (4096) B0000 to B0FFF /16 256
1
4096
Annunciator F Decimal 1K (1024) F0 to F1023 /16 64
1
1024
Link special relay SB Hexadecimal 2K (2048) SB0000 to SB07FF /16 128
1
2048
Edge relay V Decimal 1K (1024) V0 to V1023 /16 64
1
1024
Step relay
*1
S Decimal 8K (8192) S0 to S8191 /16 512
1
8192
Timer T Decimal 2K (2048) T0 to T2047 2304
2
4096
Retentive timer ST Decimal 2K (2048) ST0 to ST2047 2304
2
4096
Counter C Decimal 1K (1024) C0 to C1023 1152
2
2048
Data register D Decimal 14K (14336) D0 to D14335
1
14336 -
Link register W Hexadecimal 4K (4096) W0000 to W4095
1
4096 -
Link special register SW Hexadecimal 2K (2048) SW0000 to SW07FF
1
2048 -
Total
29568
(29696 or less)
63488
(65536 or less)
18
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18
16
18
16