Dwyer Instruments Digihelic DH-010 Installation And Operating Instructions Manual
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Dwyer Instruments Digihelic DH-010 Installation And Operating Instructions Manual

Differential pressure controller
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Bulletin B-32
Series DH Digihelic
®
Differential Pressure Controller
Specifications - Installation and Operating Instructions
DWYER INSTRUMENTS, INC.
Phone: 219/879-8000
www.dwyer-inst.com
P.O. BOX 373 • MICHIGAN CITY, IN 46361, U.S.A.
Fax: 219/872-9057
e-mail: info@dwyer-inst.com
0.561.8187
information@itm.
www.
.com

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  • Page 1 Bulletin B-32 Series DH Digihelic ® Differential Pressure Controller Specifications - Installation and Operating Instructions DWYER INSTRUMENTS, INC. Phone: 219/879-8000 www.dwyer-inst.com P.O. BOX 373 • MICHIGAN CITY, IN 46361, U.S.A. Fax: 219/872-9057 e-mail: info@dwyer-inst.com 0.561.8187 information@itm. www. .com...

  • Page 2: Panel Cut Outs

    DIMENSIONS 3-19/32 [91.28] 4-1/2 [114.30] 1-3/4 1-15/16 [44.45] [49.21] 3-25/32 [12.70] [96.04] 4-1/2 [114.30] Face Designed to Meet NEMA 4X (IP66) PANEL CUT OUTS Horizontal 3.620 in. + 0.032 - 0.0 (92.00 mm + 0.8 - 0.0) 1.772 in. + 0.024 - 0.0 (45.00 mm + 0.6 - 0.0) 0.561.8187 information@itm.
  • Page 3 SPECIFICATIONS Service: Air and non-combustible, compatible gases. Wetted Materials: Consult factory. Housing Material: ABS plastic, UL approved 94-V-0. Accuracy: ±0.5% at 77°F (25°C) including hysteresis and repeatability (after 1 hour warm-up). Stability: < ±1% per year. Pressure Limits: Ranges ≤ 2.5 in. w.c. = 2 psi 5˝: 5 psi;...
  • Page 4 WIRING WIRING SP2 OR SP2 OR 100-240 VAC or 100-240 VAC or ALARM ALARM 132-240 VDC POWER 132-240 VDC POWER RELAY RELAY RELAY RELAY NOTE1 NOTE1 3/8A 250VAC 3/8A 250VAC MEDIUM LAG MEDIUM LAG Pressure Pressure High Pressure Port High Pressure Port Port Port 11 11...

  • Page 5: Installation

    It is not necessary to remove the control chassis from the housing for installation. If the control chassis is removed from the housing, you must follow industry standard practice for control and protection against Electro-Static Discharge (ESD). Failure to exercise good ESD practices may cause damage to the control.

  • Page 6: Key Functions

    MULTIPLIER DESCRIPTOR MULTIPLIER DESCRIPTOR VISIBLE WITH S VISIBLE WITH SOME VELOCITY ME VELOCITY PRESSURE PRESSURE AND FLOW RANGE AND FLOW RANGE FRONT PANEL FRONT PANEL VALUE VALUE UNITS UNITS DESCRIPTOR DESCRIPTOR ALLO ALLO ALHI ALHI DESCRIPTOR DESCRIPTOR SP/AL SP/AL MENU MENU ALARM ALARM...

  • Page 7: Set Point Adjustment

    SETTING SET POINTS AND ALARMS SP/AL SP/AL hot key provides direct access to the Set Point and Alarm MENU. The Set Point and Alarm MENUS that are displayed are based upon the Control (CtrL) SUB MENU. CONTROL MODE CONTROL MODE CONTROL MODE CONTROL MODE CONTROL MODE...
  • Page 8 MENU MAP MENU MAP MAIN MENUS SUB MENUS SETTINGS SETTINGS SP/AL SP/AL MENU MENU MENUS UNAVAILABLE BI-DIRECTIONAL RANGES AND RANGES ABOVE SP/AL 25 IN. W.C. MENU SP/AL CONTINUED CONTINUED 0.561.8187 information@itm. MENU MENU www. .com...
  • Page 9 SETTINGS SETTINGS MAIN MENUS SUB MENUS SP/AL SP/AL MENU MENU SP/AL MENU SP/AL CONTINUED CONTINUED MENU MENU 0.561.8187 information@itm. www. .com...
  • Page 10 SETTINGS MAIN MENUS SUB MENUS SP/AL SP/AL Menus present only in pressure operation MENU MENU SP/AL MENU SP/AL MENU MENU 0.561.8187 information@itm. www. .com...
  • Page 11 Main Menu Selections (Upper Right Display Reads MENU ) SECr Security - Lock out access to Set Point and Alarm settings, or lock out access to all settings. OPEr Operation - Selection of Pressure, Velocity or Flow and corresponding engineering units. Output - Select a Single Set Point, 2 Set Points, or a Set Point and an Alarm mode of operation.

  • Page 12: Main Menus And Sub Menus

    MAIN MENUS and SUB MENUS SECr (Security) MAIN MENU SECr is the only SUB MENU in the security MENU. When the security SUB MENU is selected, the present security level is displayed in the upper right hand display. To change the security level, adjust the number displayed to the number shown in the following table for the desired security level.
  • Page 13 PrES (Pressure) SUB MENU For pressure measurement, the following units are available: INWC MMHG - Inches of water column - Millimeters of mercury FTWC MBAR - Feet of water column - Millibar MMWC - Millimeters of water column - Pascal CMWC - Centimeters of water column - Kilopascals...
  • Page 14 FLO (Flow) SUB MENU For flow measurements the following units are available: SCFM - Standard cubic feet per minute M^3H - Cubic meters per hour FLO r (Flow Range) SUB MENU - 99.99 x 1K flow range - 999.9 x 1K flow range Tables 3 -6 show the flow ranges available, and the maximum duct size that can be set for each input range.
  • Page 15 ArEA XDIM and YDIM SUB MENUS These SUB MENUS become accessible if the instrument is set for flow. When meas- uring flow, the area of the duct must be specified. Tables 3 and 4 show the input range vs maximum flow and duct size. For a rectangular duct the maximum size is specified in square feet or meters.
  • Page 16 CtrL (Control) SUB MENU - Single set point - Two fully independent set points SPAL - Single set point and alarm 1SP (SP1 Reverse or Direct Acting) SUB MENU - Direct. Relay turns on with increasing pressure - Reverse. Relay turns on with decreasing pressure Relay Inactive Relay Active Relay Inactive...

  • Page 17: Alarm Adjustment

    CtrL The following alarm function SUB MENUS are activated when is set to SPAL AL (Alarm Type) SUB MENU - High alarm - Low alarm HILO - For a high/low guardband type alarm ALARM ADJUSTMENT Alarm settings are dependent upon the selected alarm mode. The Digihelic ®...
  • Page 18 ALrE (Alarm Reset) SUB MENU ONOF - Automatic reset HOLD - Manual reset. An alarm is reset by the RESET key on the front panel, or an external reset switch. AL.H (Low Alarm Inhibit) SUB MENU - Alarm inhibit is on - Alarm inhibit is off AL.H is selected ON, a low alarm condition is suspended upon power...
  • Page 19 rESO (Resolution) SUB MENU The Digihelic ® Controller is capable of displaying four digits of resolution. However, at very low pressures the instability of the pressure may cause fluctuations in the least significant digit causing the least significant digit to be 3DIG of little value.
  • Page 20 MENU calibration or press the key to cancel. Modbus ® is a registered trademark of Schnieder Automation and Company. ©Copyright 2009 Dwyer Instruments, Inc. Printed in U.S.A. 7/09 FR# 443246-00 Rev. 4 DWYER INSTRUMENTS, INC. Phone: 219/879-8000 www.dwyer-inst.com P.O. BOX 373 • MICHIGAN CITY, IN 46361, U.S.A.

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