Automation-components A/RH-LCD Series Manuel d'utilisateur télécharger pdf (Page 4)

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I0000150 Rev 4 Page 4 of 4

TROUBLESHOOTING

Problem:

No Reading

• Check that you have the correct supply

voltage at the power terminal blocks.

• Check that wiring configurations and all

DIP switch settings are as in Figures #1,

#2 and #7.

• Verify that the terminal screws are all

connected tightly and that all of the wires

are firmly in place.

Erratic Readings

• Verify that all of the wires are terminated

properly.

• Make sure that there is no condensation

on the board.

• Check that the input power is clean. In

areas of high RF interference or noise,

shielded cable may be necessary to

stabilize signal.

Inaccurate Readings

• If you suspect that the transmitter is not

reading within the specified tolerance,

please contact the factory for further

assistance.

4-20mA Output: 250 Ohm Load 22 - 40

VDC / 22 - 28 VAC

RH M easurement Range

0 - 100% RH

4-20mA Output: 500 Ohm Load 24 - 40

VDC / 24 - 28 VAC (500 Ohm Load Max)

RH Accuracy @ 77

F (25

1% over 20% span (between 20 to 90%)

± 2%, 3%, or 5% from 10 to 95%

Repeatability

0.5% RH

Operating Humidity Environment

0 to 95% RH

Supply Current

24mA Max

Operating Temp. E nvironment

32 to 122

F (0 to 50

2-Wire, 4-20 mA

Storage Temp. Range

-40 to 160

F (-40 to 71

3-Wire, 4-20mA

Supply Voltage

RH Output

PRODUCT SPECIFICATIONS

1 2 3 4

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Automation-components A/RH-LCD Series Manuel d'utilisateur Page 4

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