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Outline
Section
1-1
22
Category
Type
Block
model
Block name
Function
Allocatable
block
address
184 Accumulator for
accumulated value
input
Converts 4-digit accumulated value signals to 8
digits.
185 Contact
input/Accumulated
value output
Counts low-speed contact pulses, and outputs 8-
digit accumulated signals.
Operation
Block
(continued)
Pulse Train
Operation
186 Accumulated
Value
Input/Contact
Output
Converts 4-digit accumulated value signals to low-
speed contact pulses before they are output.
Others
192 Analog/Pulse
Width Converter
Changes the ON/OFF duration ratio in a constant
cycle duration so that it is proportional to the analog
signal.
201 Contact Distributor Connect contact signals between function blocks in
a 1:1 connection.
202 Constant
Comparator
Compares up to eight sets of analog signals and
constants, and outputs the comparison results as
contacts.
203 Variable
Comparator
Compares up to eight pairs of analog signals, and
outputs the comparison results as contacts.
205 Timer
2-stage output-type addition timer for forecast
values and reached values. Can also output the
present value.
100 to 349
(Note: 349
is an
internal
switch in
CX-
Process
Tool (One
Block
Model 209
is already
allocated
as the
default.))
206 ON/OFF Timer
Timer for performing ON-OFF operation at preset
ON and OFF times.
207 Clock Pulse
Outputs clock pulses that turn ON for one operation
cycle only at each set time.
208 Counter
2-stage output type addition timer for forecast values
and arrival values. Can also output the current
value.
209 Internal Switch
Temporary storage contact for accepting relays in
the Step Ladder Program block.
(Note: One internal switch is already allocated as
"temporary storage" in CX-Process Tool.)
Sequence
Operation
210
Level Check
Checks the level of an analog input for eight levels
and outputs contacts according to the level. The
level number is also output via an analog output.
221 ON/OFF Valve
Manipulator
Manipulates and monitors ON/OFF valves with
open/close limit switches.
222 Motor Manipulator Manipulates and monitors motor operation.
223 Reversible Motor
Manipulator
Manipulates and monitors reversible motor
operation.
Contact Type
Control
Target
224 Motor Opening
Manipulator
Inputs a target opening, and manipulates an electric
positional-proportional motor.
Sequential Control
301 Step Ladder
Program
Performs logic sequence and step progression
control.
400 to 499
Node
Terminal
401 DO to Computer
Sends 128 contacts to the send-to-computer area.
When CX-Process Monitor is used, the contact
signals to be monitored are connected to this
function block.
501 to 532
402 AO to Computer
Sends 16 analog values to the send-to-computer
area. When CX-Process Monitor is used, the analog
signals to be monitored are connected to this
function block.
403 1-Block Send
Terminal to
Computer
Sends a specified 1 block to the send-to-computer
area. When CX-Process Monitor is used, the 1 block
to be monitored are connected to this function block.
Send to
Computer
404 4-Block Send
Terminal to
Computer
Sends a specified 4 block to the send-to-computer
area. When CX-Process Monitor is used, the 4 block
to be monitored are connected to this function block.