Wika CS4R Bedienungsanleitung PDF herunterladen (Seite 24)

Operating Instructions Temperature Indicating Controller CS4R

V1.2

•

05/2006 - 24 -

Control output (OUT)

• Relay contact : Control capacity 3A 250V AC (Resistive load)

1A 250V AC (Inductive load COS ø =0.4)

Electrical life, 100,000 times

• Logic level DC 0/12 V (non-contact voltage for SSR drive):

+ 2

- 0

V DC max. 40mA (Short circuit protected)

• Analogue current signal : 4 … 20mA DC

Load resistance : max. 550Ω

Output accuracy : Within ±0.3% of output span

Resolution : 12000

EVT output

• Alarm output [Common output with Loop break alarm and Heater burnout alarm (option)]

The alarm action point is set by ± deviation to the main setting (excluding Process alarm) and when

input exceeds the range, alarm (EVT) is turned ON or OFF (High/Low limit range alarm).

When Deenergized is selected during the Energized/Deenergized selection, alarm (EVT) is activated

conversely.

Setting accuracy : The same as indication accuracy

Action : ON/OFF action

Hysteresis : Thermocouple and RTD inputs : 0.1 … 100.0°C (°F)

DC voltage and current inputs : 1 … 1000 (The placement of the

decimal point follows the selection)

Output : Open collector, Control capacity 24V DC 0.1A (Max.)

Alarm output action : One alarm action is selectable from below by front key operation:

High limit, Low limit, High/Low limits, High/Low limit range, Process high,

Process low, High limit with standby, Low limit with standby,

High/Low limits with standby and No alarm action.

Energized/Deenergized : Alarm (EVT) output Energized/Deenergized can be selected.

Energized Deenergized

Red (EVT) LED Lights Lights

EVT output ON OFF

Alarm HOLD function selection : Once the alarm is activated, alarm output is held until

the power is turned off.

• Loop break alarm output (Common output with Alarm and Heater burnout alarm [Option])

Detects heater burnout, sensor burnout and actuator trouble.

Setting range:

time setting : 0 … 200 minutes

span setting : 0 … 150°C (°F) or 0.0 … 150.0°C (°F)

DC voltage and current inputs: 0 … 1500

(the placement of the decimal point follows the selection)

Output : Open collector

control capacity 24V DC 0.1A (max.)

Converter function : See “6. Converter function”

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