廬
廬
Wider Operating Range
1500V Isolation, Easier To Modify
NEW DESIGN!
DMS-EB-AC/DC
100-264Vac Power Supply
Accessory Board for
DMS-30PC/LCD Panel Meters
This low-cost accessory board provides an easy way of powering all DMS-
30PC-X-RL (red
low-power models only),
as well as all DMS-30LCD and DMS-
40LCD (non-backlit,
+5V-powered models only)
panel meters from 100-264Vac
(50/60Hz). The on-board AC/DC converter provides an isolated +5Vdc to power the
meter鈥檚 electronics, while providing 1500Vac isolation between the AC supply and
the input signal being measured. Line power and input signals connect to two
rugged, screw-style terminal blocks (TB1 & TB2) permanently mounted on the
DMS-EB-AC/DC. This type of terminal block provides reliable mechanical connec-
tions and eliminates the need for any extra wiring harness connectors.
The DMS-EB-AC/DC board includes provisions for installing several user-
supplied components that are required when the meter must be scaled to display
non-standard input ranges. The DMS-EB-AC/DC has provisions for such common
applications as attenuation of high input voltages, gain (span) and offset (zero)
adjustments, and direct decimal point placement. The DMS-EB-AC/DC is compat-
ible with all four input versions of the DMS-30 Series meters (鹵200mV, 鹵2V, 鹵20V
and 鹵200V). Solder gaps, conveniently placed on the board, are easily bridged or
cut to configure the board to meet each application鈥檚 specific requirements.
Order on-line at www.datel.com
Features
路
Allows meters to operate from 100
to 240Vac (50/60Hz)
路
Screw-type terminal block connections
路
Provides 1500V isolation between AC
supply and input signal
路
Has prototyping features of the standard
DMS-EB board
路
On-board solder gaps for decimal
point placement
路
Same size as DMS-30/40 meters
2.02" (51.3mm)L x 0.82" (20.8mm)W
路
Low cost
(聳 ) IN P U T L O
S G 1 4
R 2
鉃?/div>
S G 1 0
+ V
IN
+ V
O U T
+ 5 V
S U P P L Y
(+ ) IN P U T H I
A N A L O G
C O M M O N
S G 9
R 3
1 0 .5 k
R 4
2 k
R 1
鉃?/div>
D C /D C
C O N V E R T E R
聳 V
IN
聳 V
O U T
鉃?/div>
S G 7
+
S G 3
!
5 V
R E T U R N
+ 1 .2 3 V
R E F . O U T
'
S G 1 3
S G 8
R 5
鉃?/div>
5 0 k
S G 1 1
S G 6
S G 2
"
D P 3
R E F . O U T /D P 4
S G 4
&
#
D P 2
S G 1
$
D P 1
R E F . IN
%
S G 1 2
鉃€
Refer to Mechanical Layout drawing for components and
solder gap location.
鉃?/div>
Components are user-supplied and not part of the
standard product.
鉃?/div>
R4 and R5 are part of the resistor accessory kit RN-DMS
(see ordering information)
鉃?/div>
SG5 is not used
O p e n s o ld e r g a p
T B 1
T B 2
C lo s e d s o ld e r g a p
1
H I
(+ )
2
L O
(聳 )
1
A C
L O
2
A C
H I
Figure 1. DMS-EB-AC/DC Simplified Schematic Diagram
DATEL, Inc.,
Mansfield, MA 02048 (USA)
路
Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356
路
Email: sales@datel.com
路
Internet: www.datel.com
DMS-EB-AC/DC 產(chǎn)品屬性
Murata Power Solutions
數(shù)字面板表
Application Boards
None
100 VAC to 264 VAC
60 mA
+/- 200 mV, +/-2 V, +/- 20 V, +/-200 V
DMS-EB-AC/DC
Accessory board for DMS-30PC/LCD panel meter
51.31 mm L x 20.8 mm W
Screw
DMS-EB-AC/DC相關(guān)型號PDF文件下載
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