Dwyer DPMA-4 - Manual

Series DPMA-4 Adjustable LCD Digital Panel Meters
Specifications - Installation and Operating Instructions
Bulletin G-63
DWYER INSTRUMENTS, INC.
Phone: 219/879-8000 www.dwyer-inst.com
P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A. Fax: 219/872-9057 e-mail: [email protected]
Series DPMA-4 Adjustable LCD Digital Panel Meter offers a 3-1/2
digit display for easy viewing in a standard 1/8 DIN package. Unit
accepts 4 to 20 mA DC inputs with a wide bipolar span and zero
adjustment. Standard features include field selectable engineering units
and decimal point positions. Choose from red, amber, or green
segments for easy viewing at a distance. A 24 VDC power supply is
required for the operation of the backlight.
INSTALLATION
The Series DPMA-4 is designed to snap into a 3.62˝ (92 mm) W x 1.77˝
(45 mm) H panel cutout. No additional hardware is required.
WIRING
The unit is powered by a 4 to 20 mA loop and the screw terminal for
wiring is located on the back of the adder board marked with + SIG -. The
backlighting requires a 24 VDC power supply and should be connected
to terminals identified with +pwr-.
Note: If backlight supply is not loop supply, ground should be referenced
together.
SPECIFICATIONS
Input: 4 to 20 mA.
Input Impedance: 300Ω nominal.
Accuracy: ±(0.05% FS + 1 count).
Power Supply: Powered by control loop.
Backlight Power Supply: 24 VDC @ 35 mA typical.
Span and Zero: Adjustable (±1999 counts).
Display: 3-1/2 digits, 7 segments, 1˝ (25.4 mm) H.
Decimal Points: 3-position, user selectable.
Engineering Units: DPMA-XXX: °F, °C, %, PSI; DPMA-XXXP: V, A,
KW, PF.
Polarity: Automatic, “-” displayed.
Operating Temperature: 32 to 122°F (0 to 50°C).
Storage Temperature: -4 to 158°F (-20 to 70°C).
Mounting: Snap-in panel mount or clamp (gasket included).
Connection: Screw terminals.
Conversion Rate: 3 per second.
Warm-up: 10 minutes typical.
Weight: 4 oz (113.4 g).
Agency Approvals: RoHS.
TYPICAL LOOP CONNECTION
Figure 1
V
A
KW
PF
°F
°C
PSI
%
P Models
1-59/64
[49]
1-59/64
[49]
15/32
[12]
63/64
[25]
5/64
[1.9]
13/64
[5]
1-1/8
[28.5]
3-25/32
[96]
1-57/64
[48]
3-15/32
[88] REAR HOUSING
3-5/8
[92]
1-49/64
[45]
4-29/64
[113]
MOUNTING BRACKET
OUTLINE REAR VIEW
PANEL CUTOUT
FOR SNAP IN MOUNTING
(R.010 MAX) 4 PLCS [.25 mm]