User`s manual

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5-15

IM 05D01D12-41E 6th Edition: Mar. 25, 2005-00

■ Functions of Active Color PV Display

This part describes the functions of “Active Color PV Display.” PV display color is changed

by the following four actions.

PV display is selectable from red-to-green or green-to-red changing action, or fixed color.

- Link to alarm 1 mode (when PCMD = 2, 3) (Setting example-1)

Link to alarm 1 and 2 mode (when PCMD = 4, 5) is the same. When either of the alarms

occurs, the display color is changed.

- SP deviaton mode (when PCMD = 8, 9) (Setting example-2)

- PV limit mode (when PCMD = 6, 7) (Setting example-3)

- Fixed color mode (when PCMD = 0, 1) (Setting example-4)

Works linking to alarm 1.

Set “PV high limit alarm” for alarm -1 type, and “80°C” for alarm -1 setpoint.

If PCMD (PV color mode parameter) = 2, PV display color is changed from green to red

when PV input value exceeds alarm -1 setpoint.

The red-to-green changing action is selectable.

Setting parameters:

PCMD (PV color mode parameter) = 2

AL1 (Alarm -1 type parameter) = 1

A1 (Alarm -1 setpoint parameter) = 80°C

HY1 (Alarm -1 hysteresis parameter) = 5°C

Setting Example-1 : Link to Alarm

°C

Time

PV : red

PV : green PV : green

Alarm 1 setpoint

A1=80°C

75°C

Alarm 1 hysteresis

Set the high limit deviation band “10°C” for PCCH and the low limit deviation band “5°C” for PCCL,

for the current setpoint “50°C.”

PV display color is changed from green to red when PV input value is out of the deviation.

The red-to-green changing action is selectable.

Setting parameters:

PCMD (PV color mode parameter) = 8

PCCH (High limit for PV color change parameter) = 10°C

PCCL (Low limit for PV color change parameter) = 5°C

Hyesteresis fixed to 0.25% is inserted where PV display color is changed.

In the example below, where changed from red to green.

Setting Example-2 : Change by Deviation

°C

Time

PV : green

PV : red

PV : green

Setpoint

SP=50°C

High limit for PV color change parameter “PCCH” = 10°C

Low limit for PV color change parameter “PCCL” = 5°C

60°C

45°C

PV : red