參數(shù)資料
型號: ES51983
廠商: Electronic Theatre Controls, Inc.
英文描述: 3 3/4 CAP AUTO DMM
中文描述: 3 3 / 4第汽車數(shù)字多用表
文件頁數(shù): 11/20頁
文件大?。?/td> 275K
代理商: ES51983
03/01/16
11
ES51983
3 3/4 CAP AUTO DMM
Measurement Mode
V(DC/AC)
Auto
Manual
Control Range
400.0mV – 4000V
Initial Range
4.000V
VR2 – VR5 VRi
VRi + 1,
VR5
VR1
R1 – R2
μA(DC/AC)
R1
R2,
R2
R1
R1
R2
R2
R1
R1
R2,
R2
R1
fixed
ORi
ORi + 1,
OR6
OR1
fixed
fixed
400.0μA - 4000μA
400.0μA
mA
(AC/DC)
Auto A(DC/AC)
R1
R2
40.00mA –
400.0mA
40.00mA
R1 – R2
4.000A – 60.00A
4.000A
A(DC/AC)
fixed
40.00A
40.00A
OR1- OR6
400.0
– 40.00M
400.0
Continuity
Diode
fixed
fixed
400.0
4.000V
400.0
4.000V
Note: Pushing RANGE resets all existing special modes.
3.3
KEY
See Section “Measurement Mode Switching” for the function of this pin.
4.
Serial Data Output
The serial data sent to SDO pin twice every A/D conversion cycle. The data format
complies wit JIS 7Bits transmission code with a baud rate of 19230. The host can use
RS232 interface to read the data. A single data packet includes a start bit (always 0), 7
data bits, an odd parity check bit, and a stop bit (always 1). The high and low voltage
levels correspond to DGND and V- respectively. SDO remains at 1 (high) when it is
inactive. Hence the start bit (0) could be used as the triggering the reading process. The
following figure shows the data format of a single packet. The LSB is sent first and the
MSB is sent last.
single package
0
p 1
P
0V
-3V
LSB
MSB
D0 ~D6
One data block consists of 11 packets, or 110 bits. The following figure shows the
format of a data block. The range packet indicates the full scale range of the meter.
Digit 3 through digit 0 are just the digits on the LCD panel. The function packet
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