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参数资料
| 型号： | DMS-40PC-4/20S-24RS-I-C |
| 厂商： | Murata Power Solutions Inc |
| 文件页数： | 1/6页 |
| 文件大小： | 0K |
| 描述： | METER DISP LED 4.5DIG 24V RED |
| 产品目录绘图： | Digital Panel Meter |
| 标准包装： | 12 |
| 系列： | DMS-40PC-4/20S |
| 类型： | 过程多用表（4-20mA 回路） |
| 测量范围： | 4-20mA 回路 |
| 显示器样式： | 红色字符，黑色背景 |
| 显示器类型： | LED |
| 显示器正面尺寸： | 2.09" L x 0.84" W（53.1 x 21.3mm） |
| 显示器位数： | 4.5 |
| 显示器位数 - 高度： | 0.520"（13.21mm） |
| 背光： | 无 |
| 安装类型： | 面板安装 |
| 端子： | 端接块 |
| 电源电压： | 21.6 ~ 26.4VDC |
| 产品目录页面： | 2856 (CN2011-ZH PDF) |
| 其它名称： | 811-1082 |
www.murata-ps.com
FEATURES
?
?
?
? Full-size, 0.52" (13.2mm) high, LED digits
? +7.5- 32Vdc model draws 30mA
? +24V Isolated-power models
?
?
? Dip-switch selectable range, offset, and decimal points
? Non-interacting, 20-turn, gain (span) and offset
(zero) adjustments
?
?
? Insensitive to ground loops
? 103 Ohm max. loop burden
?
? Vibration-resistant package; reliable screw-terminal
connections
?
?
? Hundreds of different input/readout combinations
? Miniature size: 2.17" x 0.92" x 1.02"
(55mm x 23mm x 26mm)
DMS-40PC-4/20S
4? Digit, 4-20mA Input, LED Display Meters
The DMS-40PC-4/20S Series' superior design makes them ideal for use in demand-
ing 4-20mA process monitoring applications requiring a full 4? digits (0-19999) of display
resolution. Their full-size, 0.52" (13.2mm) high, LED displays can be read in virtually any
lighting condition and are available in green, high-intensity red, or low-power red.
Two operating power supply ranges are available: a wide-input +7.5 to 32V model
for use with popular +12Vdc and +24Vdc industrial supplies, and +4.75 to 5.25V models
for use with +5V logic supplies. The reverse-polarity protected +7.5-32V red LED model
consumes only 30mA from a +24V supply, but still provides excellent display brightness.
The DMS-40PC-4/20's input, span, and offset circuits all employ super-stable, ±0.5%
thin-?lm chip resistors. Long-term stability and accuracy are assured by driving these
tight-tolerance resistors with an ultra-stable, ±0.2% bandgap voltage reference. And, unlike
many competing designs, the two precision 20-turn span and zero adjust potentiometers
do not interact with one another.
All range-change and decimal point selections are made by con?guring two gold-plat-
ed, vibration-resistant, six-position DIP switches. To further enhance reliability, both power
supply and current loop connections are made via reliable screw-type terminal blocks. All
these outstanding features make the DMS-40PC-4/20S Series meters the most rugged 4?
digit LED display process monitors available.
4? DIGIT A/D
CONVERTER
Range
Offset
Gain
DATA
R3
R7
DP1
DP2
DP3
DP4
ZERO
ADJUST
GAIN
ADJUST
BAND-GAP
REFERENCE
CIRCUIT
S1
ON
S2
ON
+5V
1
2
3
4
5
6
1
2
3
4
5
6
VOLTAGE
CONVERTER
SG9
+5V
CURRENT TO
VOLTAGE
CONVERTER
?
TB1
1
2
TB2
1
2
? -V is not connected to meter
ground on ‘-I’ suf?x models.
+
–
+
+V
–
–V
4-20mA
POWER
For full details go to
www.murata-ps.com/rohs
CURRENT LOOP POWER
Figure 1. DMS-40PC-4/20S Simpli?ed Schematic
SUPPLY INPUT
www.murata-ps.com/support
MPM_DMS-40PC-420.D03 Page 1 of 6
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