Omron FQM1-MMA21, FQM1-CM001 Function Tables Arranged by Purpose, Section, 7-10Analog Outputs

Models: FQM1-MMP21 FQM1-MMA21 FQM1-CM001

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7-10 Analog Outputs

Function Tables Arranged by Purpose

 

Section 1-7

 

 

 

 

 

Purpose

Operation

Main functions

Details

 

 

 

used

 

PTP positioning

Simple position-

Stepped or

• Target value

7-10 Analog Outputs

using analog I/O

ing using invert-

sloped analog

match instruc-

Used when positioning only using speed com-

 

ers

output corre-

tion

 

mand according to analog output.

 

 

sponding to the

(CTBL(882)

 

 

Applicable when speed patterns have been

 

 

high-speed

instruction) for

 

 

determined based on specified positions.

 

 

counter PV

high-speed

 

 

An instruction to change the output variable

 

 

 

counter

 

 

 

• Analog output

every time instructions are executed

 

 

 

(SPED(885) instruction) and an instruction to

 

 

 

instruction

 

 

 

change analog outputs at a specified rate of

 

 

 

(SPED(885)

 

 

 

change every 2 ms (ACC(888) instruction) are

 

 

 

instruction) or

 

 

 

available for analog outputs.

 

 

 

analog output

 

 

 

 

 

 

 

slope variation

Fine speed control loops can be included using

 

 

 

(ACC(888)

the FQM1 high-speed cycle time and analog

 

 

 

instruction) in

output conversion functions (approx. 40 s).

 

 

 

interrupt tasks

 

 

 

 

 

 

Path control

Drawing path

Executing elec-

• Virtual axis

7-8 Virtual Pulse Output Function

 

with linear inter-

tronic cam con-

(AXIS instruc-

Pulse output operation mode set to electronic

 

polation

trol for 2 axes

tion)

 

cam control mode (linear).

 

 

synchronized to

• Create path

 

 

Virtual axis used as basic axis. Path can be

 

 

virtual axis

tables using

 

 

drawn by synchronizing 2 pulse output axes

 

 

 

ladder program

 

 

 

(controlled as slave axes) with the basic axis.

 

 

 

(APR instruc-

Set the desired path pattern to the broken-line

 

 

 

tion)

 

 

 

approximation instruction (APR instruction) table

 

 

 

• Electronic cam

 

 

 

data, and execute pulse output control based on

 

 

 

pulse output

 

 

 

the APR instruction calculation result for the

 

 

 

(PULS(886)

 

 

 

basic axis.

 

 

 

instruction)

 

 

 

The maximum number of line points for one APR

 

 

 

 

 

Drawing path

As above

As above

 

instruction is 256, but multiple APR instructions

 

with circular

 

 

 

 

 

can be used in ladder programs so the number

 

interpolation

 

 

 

 

 

of curve points can be increased by setting the

 

 

 

 

 

Drawing ellipti-

As above

As above

 

table data across multiple APR instructions.

 

cal and other

 

 

 

 

special locus

 

 

 

 

 

 

 

 

Synchronous

Slave axis con-

Electronic cam:

High-speed

7-6-14 Pulse Output Function Examples

control

trol synchro-

Changing target

counter PV

Set pulse output operation mode to electronic

 

nized to real

position and

• Cam curve

 

cam control mode (linear) or electronic cam con-

 

axis.

speed every

generation or

trol mode (circular).

 

 

cycle based on

cam curve

Makes Motion Control Module cycle times con-

 

 

input pulse

table every

 

 

stant, specifies target position and speed, and

 

 

(position or

cycle based on

 

 

executes pulse outputs to Servo Driver for the

 

 

angle for one

 

 

ladder pro-

slave axis according to high-speed counter PV.

 

 

rotation, etc.) to

gramming

 

 

If cam curves are generated using ladder pro-

 

 

execute posi-

(APR instruc-

 

 

tioning.

tion)

gramming, the cam curves can be changed dur-

 

 

 

• Pulse output

ing operation.

 

 

 

High-precision, synchronized control with exter-

 

 

 

with specified

 

 

 

target position

nal axes is possible with FQM1 high-speed

 

 

 

and frequency

cycle.

 

 

 

(PULS(886)

 

 

 

 

instruction)

 

 

 

 

• Constant cycle

 

 

 

 

time

 

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Omron FQM1-MMA21 Function Tables Arranged by Purpose, Section, 7-10Analog Outputs, 7-8Virtual Pulse Output Function