Control alarm, Operation-related parameters, Control alarm -17 operation-related parameters -17 – Yokogawa Data Acquisition with PID Control CX2000 User Manual

Page 146: Mf filter, Rs set the ratio, Control alarm at sets the control alarm, Av sets the control alarm value, Ht sets the ramp-rate-time unit

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6-17

IM 04L31A01-17E

6

Command

MF

Filter

When the PV/SP Computation Function is OFF

Syntax

MF p1,p2,p3,p4<terminator>
p1: Loop number (1 to 6) (1 or 2 on the CX1000)

p2: Input type (PV1, PV2, RemoteSP)

Note) RemoteSP is valid only when using

remote.

p3: Enable/disable filter (Off, On)

p4: Filter value (0 to 120 s)

Query

MF[ p1,p2]?

Example

Set the filter value of loop 1 PV1 to 60 s.

MF1,PV1,ON,60

When the PV/SP Computation Function Is ON

Syntax

MF p1,p2,p3<terminator>
p1: Control input channel numbers (CI01-CI10,

or CI01-CI05 with the CX1000)

p2: Filter (Off, On)

p3: Filter value (0-120s)

Query

MF[ p1]?

Example

Set CI03’s filter value to 60 seconds.

MFCI03,ON,60

RS

Set the ratio

Syntax

RS p1,p2,p3,p4<terminator>
p1: Loop number (1 to 6) (1 or 2 on the CX1000)

p2: Enable/disable ratio setting (Off, On)

p3: Ratio value (0.001 to 9.999)

p4: Rtio decimal point position (0–4)

Query

RS[ p1,p2]?

Example

Set the ratio value of loop 2 to 1.000.

RS2,ON,1000

Description Valid when remote input is selected with the GS

command.

Control Alarm
AT

Sets the control alarm

When p3=Off (no control alarm)

Syntax

AT p1,p2,p3<terminator>
p1: Loop number (1 to 6) (1 or 2 on the CX1000)

p2: Alarm number (1 to 4)

p3: Enable/disable alarm setting (Off)

Query

AT[ p1,p2]?

Example

Turn off loop 1 number 1 alarm.

AT1,1,OFF

When p1=1 to 6
When p3=On (with control alarm)

Syntax

AT p1,p2,p3,p4,p5,p6,p7<terminator>
p1: Loop number (1 to 6) (1 or 2 on the CX1000)

p2: Alarm number (1 to 4)

p3: Enable/disable alarm setting (On)

p4: Alarm type*1

p5: Alarm standby (Off, On)

p6: Enable/disable relay setting (Off, On)

p7: Relay number*2

*1: PV-High,PV-Low,Deviation-High,

Deviation-Low,Deviation-H&L,

Dev-within-H&L,SP-High,SP-Low,

Output-High,Output-Low

*2: DI001 to DI006

DI101 to DI106

DI201 to DI206

RI001 to RI012 (expansion module)

Query

AT[ p1,p2]?

Example

Set loop 1 alarm number 4 as follows: Type:

deviation high/low limits alarm, standby and relay

output: On, activate relay 104 when alarms

occur.

AT1,4,ON,DEVIATION-H&L,ON,ON,DO104

AV

Sets the control alarm value

When p1=1 to 6

Syntax

AV p1,p2,p3,p4<terminator>
p1: Loop number (1 to 6) (1 or 2 on the CX1000)

p2: SP number 1 to 8

p3: Alarm number (1 to 4)

p4: Alarm value

PV/SP alarm

EU (0.0 to 100.0%)

Deviation high or deviation low limit alarm

EUS (–100.0 to 100.0%)

Deviation high/low limit alarm or within

deviation high and low limit alarm

EUS (0.0 to 100.0%)

Output value alarm

(–5.0 to 105.0%)

Query

AV[ p1,p2,p3]?

Example

Set the alarm value of loop 1 SP number 1 alarm

number 1 (whose input type is set to TC type K

and alarm number 1 type set to deviation high

limit alarm) to the maximum value within the

selectable range.

AV1,1,1,15700

Operation-related Parameters
HS

Sets the suppressing function

Syntax

HS p1,p2<terminator>
p1: Loop number (1 to 6) (1 or 2 on the CX1000)

p2: Suppressing function (Off, Overshoot)

Query

HS[ p1]?

Example

Set the suppressing function of loop 1.

HS1,OVERSHOOT

HT

Sets the ramp-rate-time unit

Syntax

HT p1,p2<terminator>
p1: Loop number (1 to 6) (1 or 2 on the CX1000)

p2: Ramp-rate-time unit (Hour, Minute, Second)

Query

HT[ p1]?

Example

Set the ramp-rate-time unit of loop 1 to “Second.”

HT1,SECOND

6.4 Setting Commands (Control)

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