Stud Sensor User's Manual

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Wall-Mounted Dewpoint Sensor

Product Information Sheet

210-2002

Input Status Screen

Figure 1 - Sensor and Input Board Wiring

Overview

The 210-2002 is a Vaporstat™ wall-mounted

dewpoint sensor. The sensor is designed for

measuring indoor or outside dewpoint or absolute

humidity level.

Sensor Wiring

1. For wiring the dewpoint sensor to a CPC

input board, use Belden #8761 shielded two-

conductor cable or equivalent.

2. Connect the BLACK and WHITE wires to the

screw terminals on the sensor’s connector as

shown in

Figure 1

(connect BLACK to Signal

Ground and WHITE to 0-5V Output). Clip the

SHIELD wire.

3. Connect the SHIELD and BLACK wires to the

0V terminal of the input board. Connect the

WHITE wire to the SIG terminal of the input

board.

4. Connect 24VAC (a separate 120VAC/24VAC

transformer must be used P/N 640-0039) to

the power terminal on the dewpoint sensor

back plate using the BLACK and WHITE wires.

(This 24VAC transformer must only be used

to power this dewpoint sensor. Do not use

this transformer to power additional

devices.)

5. Locate the input dip switch for the sensor

point, and set to the OFF position (LEFT for

MultiFlex, DOWN for 16AI). Refer to the input

board’s user manual for locations of the

input dip switches.

Controller Setup

NOTE:

DO NOT set this sensor up with a sensor type

of “Dewpoint”; that setting is only for CPC

Dewpoint Probes (P/N 203-1902). This

dewpoint sensor MUST be set up as a

linear

sensor type.

E2/Einstein

1. After logging into the controller, press

6 +  to open the Input Status screen or

press the

I key,  (System

Configuration),

 (Input Summary). (If

using an Einstein, press

(ACTIONS) from

the Home screen. Press

(System Setup).

Press

(Input and Output Point Setup).

Press

(Input Summary) to open the Input

Summary screen.)

Wall-Mounted Dewpoint Sensor

Product Information Sheet

Summary of content (5 pages)

PAGE 1
Wall-Mounted Dewpoint Sensor 210-2002 Product Information Sheet this transformer devices.) Overview The 210-2002 is a Vaporstat™ wall-mounted dewpoint sensor. The sensor is designed for measuring indoor or outside dewpoint or absolute humidity level. to power additional 5. Locate the input dip switch for the sensor point, and set to the OFF position (LEFT for MultiFlex, DOWN for 16AI). Refer to the input board’s user manual for locations of the input dip switches. Sensor Wiring Controller Setup 1.
PAGE 2
Wall-Mounted Dewpoint Sensor Product Information Sheet 2. Highlight the input-point the sensor is 210-2002 an Einstein, press F7 (LOOK UP) and set to Linear.) attached to and press  (SETUP) to set up the input, or press  to open the Actions Menu and select 5 (Setup). (If using an Einstein, select an input point and press F7 (SETUP IN) to open the Analog Input screen.) Option List Selection Menu For Sensor Type 5. Move cursor to Select Eng. Units and press  (LOOK UP).
PAGE 3
Wall-Mounted Dewpoint Sensor Product Information Sheet • • • • • • Set the Low End Point field to 0. Set the HighEnd Point field to 5.0. Set the Low Eng. Units field to 0. Set the High Eng. Units field to 80. Set the Low End Limit field to -0.5. Set the HighEnd Limit field to 6.5. 210-2002 REFLECS Main Menu Screen 3. From the Sensor Control screen, select 2 Setup. Sensor Control Screen 4.
PAGE 4
Wall-Mounted Dewpoint Sensor Product Information Sheet 210-2002 Set Up Zero Calibration The Zero Calibration mode allows the user to calibrate the sensor to a verified zero concentration of water vapor. For best results, allow the sensor to warm up for at least 10 minutes. For zero calibration, all tubing should be connected between the gas bottle and the sensor inlet flow port.
PAGE 5
Wall-Mounted Dewpoint Sensor Product Information Sheet 10. Press the Clear and Enter buttons together and hold for five seconds. The word CAL will appear in the topline of the LCD display: 210-2002 Calibration Layout Refer to the calibration topic of the manufacturer’s manual for the sensor’s zero calibration layout. Contact your CPC sales representative for calibration kit (P/N 210-2005) purchasing information. 11. Use the arrow buttons to toggle to the Zero Calibration mode.