4 -
13
4.
CPU MODULE
4.1.5
Device list
Device means a general name for such as a contact, coil and timer used on the program
operations in a programmable controller.
The following shows usage ranges and device names of the programmable controller.
For * in the devices below, they can be used by setting the parameters on each peripheral
device. Also, they can be changed the usage ranges assignment.
Set the parameters depending on the usage system and contents of the programs.
(For the detailed setting for parameters, refer to Section 4.2.1 "List of parameter setting
range".)
Device list
Device
Range of Usage (points)
Description of Device
QCPU-A
X
Input
X/Y0 to X/YFFF
(4096 points)
Used for the supply programmable controller commands and data
from the external devices such as push buttons, select switches,
limit switches and digital switches.
Y
Output
Used to the output control results of the program to the external
devices such as solenoids, magnetic switches, signal lights and
digital display device.
X
Input
X/Y0 to X/Y1FFF(8192 points)
• Possible to use in a program from the I/O points usage range per
each programmable controller (described above) up to 8192
points. (External outputs are not allowed.)
Y
Output
• Assigned for auto I/O refresh of MELSECNET/MINI-S3, remote I/
O of MELSECNET/10, remote I/O of MELSECNET(B), or CC-
Link.
M
Special relay
M9000 to M9255 (256 points)
An auxiliary relay which is used in a programmable controller set in
advance for a special application.
*Internal relay
M/L/S0 to M/L/S8191 (8192 points)
8192 points as a total of M, L, S
An auxiliary relay in a programmable controller which cannot output
directly to external devices.
L
*Latch relay
An auxiliary relay in a programmable controller which cannot output
directly to the external devices. Has the power failure
compensation function.
S
*Step relay
Used in the same manner as the internal relay (M).
Used as a relays to indicate the stage number of process stepping
program, etc.
R
Link relay
B0 to B1FFF (8192 points)
An internal relay for data link and it cannot be output to external
devices. The range not set by the link parameters can be used as a
substitute for a data register.
F
Annunciator
F0 to F2047 (2048 points)
Used for error detection. Error detection programs are created in
advance, and if it becomes on during RUN, the number is stored in
a special register D.
T
*100ms timer
T0 to T2047 (2048 points)
(Register for storing setting value(s) is required
for T256 or later.)
• Up-timing-timer: there are four kinds: 100ms timer, 10ms timer,
100ms retentive timer and 1ms timer.
*10ms timer
*100ms retentive
timer
1ms timer
• 1ms timer uses the second half of the retentive timer with
ZHTIME instruction.
C
*Counter
C0 to C1023 (1024 points)
Interrupt counter: fixed C224 to C255
Register for storing setting value(s) is
required for C256 or later.
Up-timing
There are two kinds: an up-timing counter used in programmable
controller programs, an interrupt counter used in counting the
number of interrupts.
*Interrupt counter
Содержание MELCEC Q Series
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