Control group setting, Control group setting -19, Gg sets the control group – Yokogawa Data Acquisition with PID Control CX2000 User Manual

Page 148: Hd sets the derivative time, Ho sets control-related parameters

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6-19

IM 04L31A01-17E

6

Command

No ON/OFF Control

Syntax

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

p2: PID number (1 to 8)

p3: Output low-limit (–5.0 to 105.0%)

p4: Output high-limit (–5.0 to 105.0%)

p5: Manual reset (–5.0 to 105.0%)

p6: Control action direction (Reverse, Direct)

p7: Preset output (–5.0 to 105.0%)

(valid only on the secondary side for

cascade control)

Query

HO[ p1,p2]?

Example

Set PID number 5 of loop 5 as follows: output

low-limit: 10.0%, output high-limit: 90.0%,

manual reset: 10.0%, control action direction:

reverse, preset output: 50.0%.

HO5,5,100,900,100,DIRECT,500

Control Group Setting
FG

Sets the control group name

Syntax

FG p1,p2<terminator>

p1:

Group number (1 to 8) (1 to 4 on the CX1000)

p2: Group name (up to 16 characters)

Query

FG[ p1]?

Example

Set the group name of group number 2 to

“CONTROL No. 2”.

FG2,CONTROL No.2

GG

Sets the control group

Syntax

GG p1,p2,p3,p4,p5<terminator>
p1: Group number (1 to 8) (1 to 4 on the CX1000)

p2: Item number (1 to 6)

p3: Off/On

p4: Item type (Kind)

(Int-Loop/Ext-Loop/Meas-CH)

p5: Loop number

(Internal loop: 1 to 6) (1 or 2 on the CX1000)

(External loop: 1 to 16) (1 to 4 on the CX1000)

(Meas. CH: 1 to 20) (1 to 6 on the CX1000)

(DIO: 1 to 36) (1 to 12 on the CX1000)

Query

GG[ p1,p2]?

Example

Set group number 6 item number 1 to internal

loop 1.

GG6,1,ON,INT-LOOP,1

6.4 Setting Commands (Control)

HD

Sets the derivative time

Syntax

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

p2: PID number (1 to 8)

p3: Derivative time (0 to 6000 s)

Query

HD[ p1,p2]?

Example

Set the derivative time of PID number 1 of loop 4

to 900 s.

HD4,1,900

HO

Sets control-related parameters

4-20mA Current Output

Syntax

HO p1,p2,p3,p4,p5,p6,p7,p8<terminator>
p1: Loop number (1 to 6) (1 or 2 on the CX1000)

p2: PID number (1 to 8)

p3: Output low-limit (–5.0 to 105.0%)

p4: Output high-limit (–5.0 to 105.0%)

P4>P3

p5: Enable/Disable the shutdown function (Off,

On)

p6: Manual reset (–5.0 to 105.0%)

p7: Control action direction (Reverse, Direct)

p8: Preset output (–5.0 to 105.0%)

(valid only on the secondary side for

cascade control)

Query

HO[ p1,p2]?

Example

Set PID number 7 of loop 3 as follows: output

low-limit: –1.0%, output high-limit: 101.0%,

shutdown function: disabled, manual reset:

80.0%, control action direction: direct, preset

output: 10.0%.

HO3,7,-10,1010,OFF,800,DIRECT,100

ON/OFF Control

Syntax

HO p1,p2,p3,p4,p5,p6,p7,p8,p9
<terminator>

p1: Loop number (1 to 6) (1 or 2 on the CX1000)

p2: PID number (1 to 8)

p3: Hysteresis setting EUS (0.0 to 100.0%)

p4: Hysteresis activation point (Mid, High, Low)

p5: Control action direction (Reverse, Direct)

p6: Preset output (–5.0 to 105.0%)

(valid only on the secondary side for

cascade control)

Query

HO[ p1,p2]?

Example

Set PID number 4 of loop 4 (whose input type is

set to TC type T) as follows: relay hysteresis:

10% (60.0) of the selectable range, activation

point: high, control action direction: reverse,

preset output: 0.0%.

HO4,4,600,HIGH,REVERSE,0

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