List of Function Blocks

Type

Block Name

Function

Signal Selec-

Rank Selector

Selects the rank of up to 8 analog signals.

tion/Switching

(See note 1.)

 

 

 

 

 

Input Selector

Selects the specified analog signals specified by

 

(See note 1.)

the contact signal from up to 8 analog signals.

 

3-input Selector

Selects and outputs one of three analog input

 

(See note 1.)

signals.

 

3-output Selector

Outputs one analog input signal in three switched

 

(See note 1.)

directions.

 

 

 

 

Constant Selector

Selects 8 preset constants by the contact signal.

 

(See note 1.)

 

 

Constant Generator

Outputs 8 independent constants.

 

(See note 1.)

 

 

Ramped Switch

Switches two analog inputs (or constants) with a

 

 

ramp.

 

 

 

 

Bank Selector

Records the PID parameters (SP, P, I, D, MH, ML)

 

 

in up to 8 sets in advance, and switches the PID

 

 

parameter for Basic/Advanced/Blended PID

 

 

Blocks according to the analog input range

 

 

(zone) or input bits.

 

Split Converter

Inputs the MV from the Basic PID block or Ad-

 

 

vanced PID block, converts the MV into two

 

 

analog outputs for V characteristics or parallel

 

 

characteristics (e.g., MV for heating or cooling)

 

 

and outputs them.

Constant

Constant ITEM Setting

Writes the constant to the specified ITEM at the

ITEM Setting

(See note 1.)

rising edge of the send command contact.

 

 

 

 

Variable ITEM Setting

Writes the analog signal to the specified ITEM at

 

(See note 1.)

the rising edge of the send command contact.

 

Batch Data Collector

Stores each of max. 8 analog inputs to buffer by

 

(See note 1.)

a certain timing within sequential processing.

Pulse Train

Accumulated Value In-

Adds up to four accumulated value signals.

Operation

put Adder

 

 

 

 

 

Accumulated Value Ana-

Multiplies analog signals by the accumulated

 

log Multiplier

value signals.

 

Accumulator for accu-

Converts 4-digit accumulated value signals to 8

 

mulated value input

digits.

 

Contact input/Accumu-

Counts low-speed contact pulses, and outputs

 

lated value output

8-digit accumulated signals.

 

 

 

 

Accumulated Value In-

Converts 4-digit accumulated value signals to

 

put/Contact Output

low-speed contact pulses before they are output.

Others

Analog/Pulse Width

Changes the ON/OFF duration ratio in a constant

 

Converter (See note 1.)

cycle duration so that it is proportional to the

 

 

analog signal.

Sequence

Contact Distributor

Connect contact signals between function blocks

Operation

 

in a 1:1 connection.

 

 

 

 

Constant Comparator

Compares up to eight sets of analog signals and

 

(See note 1.)

constants, and outputs the comparison results as

 

 

contacts.

 

Variable Comparator

Compares up to eight pairs of analog signals,

 

(See note 1.)

and outputs the comparison results as contacts.

 

Timer (See note 1.)

2-stage output type addition timer for forecast

 

 

values and reached values. Can also output the

 

 

present value.

 

 

 

 

ON/OFF Timer

Timer for performing ON-OFF operation at preset

 

(See note 1.)

ON and OFF times.

 

Clock Pulse

Outputs a clock pulse at the setting time interval

 

(See note 1.)

for a single operation cycle.

 

Counter (See note 1.)

2-stage output type addition timer for forecast

 

 

values and arrival values. Can also output the

 

 

current value.

 

 

 

 

Internal Switch

Temporary storage contact for accepting relays in

 

(See note 1.)

the Step Ladder Program block.

 

 

Note: (One internal switch is already allocated

 

 

as “temporary storage” in CX-Process

 

 

Tool.)

 

 

 

 

Level Check

Checks an analog input for 8 levels and outputs

 

(See note 1.)

a contact corresponding to the level. The level

 

 

number is also output as an analog value at the

 

 

same time.

 

 

 

Contact Type

ON/OFF Valve Manipu-

Manipulates and monitors ON/OFF valves with

Control Target

lator

open/close limit switches.

 

Motor Manipulator

Manipulates and monitors motor operation.

 

 

 

 

Reversible Motor Manip-

Manipulates and monitors reversible motor

 

ulator

operation.

 

 

 

 

Motor Opening Manipu-

Inputs a target opening, and manipulates an

 

lator

electric positional-proportional motor.

 

Switch Meter

Manipulates and monitors multiple (up to 8)

 

(See note 2.)

devices such as ON/OFF valves, motors, or

 

 

pumps.

Note: 1. The Function Blocks dealing with high-speed operation (operation cycle: 0.01, 0.02, and 0.05 seconds is possible).

2.Cannot be used with the CJ1G-CPU45P-GTC.

Sequence Control

Type

Block Name

Function

 

 

 

---

Step Ladder Pro-

Performs logic sequence and step pro-

 

gram (See note.)

gression control.

Note: The Function Blocks dealing with high-speed operation (oper- ation cycle: 0.01, 0.02, and 0.05 seconds is possible).

Field Terminals

Type

Block Name

Function

 

 

 

Contact

DI 8-point Terminal

Inputs 8 contacts from 8-point Input Unit.

I/O

 

 

DI 16-point Terminal

Inputs 16 contacts from 16-point Input

(See note.)

 

 

Unit.

 

DI 32-point Terminal

Inputs 32 contacts from 32-point Input

 

 

Unit.

 

 

 

 

DI 64-point Terminal

Inputs 64 contacts from 64-point Input

 

 

Unit.

 

 

 

 

DO 8-point Terminal

Outputs 8 contacts from 8-point Output

 

 

Unit.

 

 

 

 

DO 16-point Termi-

Outputs 16 contacts from 16-point Output

 

nal

Unit.

 

 

 

 

DO 32-point Termi-

Outputs 32 contacts from 32-point Output

 

nal

Unit.

 

 

 

 

DO 64-point Termi-

Outputs 64 contacts from 64-point Output

 

nal

Unit.

 

 

 

 

DI 16-point/Do

Inputs and outputs 16 contacts each from

 

16-point Terminal

16-point Input/16-point Output Units.

 

 

 

Analog I/O

AI 4-point Terminal

Inputs 4 analog signals from CJ1W-

(See note.)

(PTS51)

PTS51 (Isolated-type Thermocouple

 

 

Input Unit)

 

 

 

 

AI 4-point Terminal

Inputs 4 analog signals from CJ1W-

 

(PTS52)

PTS52 (Isolated-type Temperature Resis-

 

 

tance Input Unit).

 

AI 2-point Terminal

Inputs 2 analog signals from CJ1W-

 

(PTS15/16, PDC15)

PTS15 (Isolated-type Thermocouple

 

 

Input Unit), CJ1W-PTS16 (Isolated-type

 

 

Temperature Resistance Input Unit), or

 

 

CJ1W-PDC15 (Isolated-type DC Input

 

 

Unit).

 

 

 

 

AI 8-point Terminal

Inputs 8 analog signals from the CJ1W-

 

(AD081)

AD081(-V1).

 

 

 

 

AO 8-point Terminal

Outputs 8 analog signals from the CJ1W-

 

(DA08V/C)

DA08V/DA08C.

 

 

 

 

AI 4-point Terminal

Inputs 4 analog signals from the CJ1W-

 

(AD041)

AD041(-V1).

 

 

 

 

AO 4-point Terminal

Outputs 4 analog signals from the CJ1W-

 

(DA041)

DA041(-V1).

 

 

 

 

AO 2-point Terminal

Outputs 4 analog signals from the CJ1W-

 

(DA021)

DA021.

 

 

 

 

AI 4-point/AO 2-point

Inputs 4 analog signals and outputs 2 an-

 

Terminal (MAD42)

alog signals each from the CJ1W-MAD42.

 

 

 

 

AI 4-point Terminal

Inputs 4 analog signals from a DRT1-

 

(DRT1-AD04)

AD04 DeviceNet Slave Analog Input Unit.

 

 

 

 

AO 2-point Terminal

Outputs two analog signals from a DRT1-

 

(DRT1-DA02)

DA02 DeviceNet Slave Analog Output

 

 

Unit.

 

 

 

 

AI 4-point Terminal

Inputs 4 analog signals from the CJ1W-

 

(AD04U)

AD04U.

 

 

 

 

AI 4-point Terminal

Inputs 4 analog signals from the CJ1W-

 

(PH41U)

PH41U.

Note: The Function Blocks dealing with high-speed operation (operation cycle: 0.01, 0.02, and 0.05 seconds is possible).

13

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Omron CJ-Series manual Sequence Control, Field Terminals

CJ-Series specifications

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